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# --- ROCK-COPYRIGHT-NOTE-BEGIN ---
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#
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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# Please add additional copyright information _after_ the line containing
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# the ROCK-COPYRIGHT-NOTE-END tag. Otherwise it might get removed by
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# the ./scripts/Create-CopyPatch script. Do not edit this copyright text!
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#
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# ROCK Linux: rock-src/package/powerpc/mac-fdisk/own-kernel-headers.patch
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# ROCK Linux is Copyright (C) 1998 - 2006 Clifford Wolf
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#
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# This patch file is dual-licensed. It is available under the license the
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# patched project is licensed under, as long as it is an OpenSource license
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# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
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# of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# --- ROCK-COPYRIGHT-NOTE-END ---
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--- ./fdisk.c.orig 2004-08-20 03:17:46.327259224 +0000
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+++ ./fdisk.c 2004-08-20 03:18:11.030503760 +0000
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@@ -70,13 +70,13 @@
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#include <sys/ioctl.h>
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-#include <linux/types.h>
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+#include "linux/types.h"
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typedef unsigned short kdev_t; /* BAD hack; kdev_t is not exported */
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-#include <linux/genhd.h>
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-#include <linux/hdreg.h>
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-#include <linux/fs.h>
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+#include "linux/genhd.h"
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+#include "linux/hdreg.h"
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+#include "linux/fs.h"
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#include "fdisk.h"
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--- ./linux/fs.h 1970-01-01 00:00:00.000000000 +0000
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+++ ./linux/fs.h 2004-08-20 03:20:18.126182280 +0000
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@@ -0,0 +1,1724 @@
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+#ifndef _LINUX_FS_H
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+#define _LINUX_FS_H
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+
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+/*
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+ * This file has definitions for some important file table
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+ * structures etc.
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+ */
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+
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+#include <linux/config.h>
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+#include <linux/linkage.h>
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+#include <linux/limits.h>
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+#include <linux/wait.h>
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+#include <linux/types.h>
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+#include "vfs.h"
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+#include <linux/net.h>
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+#include <linux/kdev_t.h>
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+#include <linux/ioctl.h>
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+#include "list.h"
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+#include <linux/dcache.h>
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+#include <linux/stat.h>
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+#include <linux/cache.h>
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+#include <linux/stddef.h>
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+#include <linux/string.h>
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+
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+#include <asm/atomic.h>
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+#include <asm/bitops.h>
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+
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+struct poll_table_struct;
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+
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+
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+/*
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+ * It's silly to have NR_OPEN bigger than NR_FILE, but you can change
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+ * the file limit at runtime and only root can increase the per-process
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+ * nr_file rlimit, so it's safe to set up a ridiculously high absolute
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+ * upper limit on files-per-process.
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+ *
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+ * Some programs (notably those using select()) may have to be
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+ * recompiled to take full advantage of the new limits..
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+ */
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+
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+/* Fixed constants first: */
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+#undef NR_OPEN
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+#define NR_OPEN (1024*1024) /* Absolute upper limit on fd num */
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+#define INR_OPEN 1024 /* Initial setting for nfile rlimits */
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+
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+#define BLOCK_SIZE_BITS 10
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+#define BLOCK_SIZE (1<<BLOCK_SIZE_BITS)
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+
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+/* And dynamically-tunable limits and defaults: */
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+struct files_stat_struct {
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+ int nr_files; /* read only */
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+ int nr_free_files; /* read only */
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+ int max_files; /* tunable */
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+};
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+extern struct files_stat_struct files_stat;
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+
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+struct inodes_stat_t {
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+ int nr_inodes;
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+ int nr_unused;
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+ int dummy[5];
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+};
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+extern struct inodes_stat_t inodes_stat;
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+
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+extern int leases_enable, dir_notify_enable, lease_break_time;
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+
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+#define NR_FILE 8192 /* this can well be larger on a larger system */
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+#define NR_RESERVED_FILES 10 /* reserved for root */
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+#define NR_SUPER 256
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+
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+#define MAY_EXEC 1
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+#define MAY_WRITE 2
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+#define MAY_READ 4
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+
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+#define FMODE_READ 1
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+#define FMODE_WRITE 2
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+
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+#define READ 0
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+#define WRITE 1
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+#define READA 2 /* read-ahead - don't block if no resources */
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+#define SPECIAL 4 /* For non-blockdevice requests in request queue */
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+
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+#define SEL_IN 1
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+#define SEL_OUT 2
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+#define SEL_EX 4
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+
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+/* public flags for file_system_type */
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+#define FS_REQUIRES_DEV 1
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+#define FS_NO_DCACHE 2 /* Only dcache the necessary things. */
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+#define FS_NO_PRELIM 4 /* prevent preloading of dentries, even if
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+ * FS_NO_DCACHE is not set.
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+ */
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+#define FS_SINGLE 8 /* Filesystem that can have only one superblock */
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+#define FS_NOMOUNT 16 /* Never mount from userland */
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+#define FS_LITTER 32 /* Keeps the tree in dcache */
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+#define FS_ODD_RENAME 32768 /* Temporary stuff; will go away as soon
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+ * as nfs_rename() will be cleaned up
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+ */
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+/*
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+ * These are the fs-independent mount-flags: up to 32 flags are supported
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+ */
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+#define MS_RDONLY 1 /* Mount read-only */
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+#define MS_NOSUID 2 /* Ignore suid and sgid bits */
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+#define MS_NODEV 4 /* Disallow access to device special files */
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+#define MS_NOEXEC 8 /* Disallow program execution */
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+#define MS_SYNCHRONOUS 16 /* Writes are synced at once */
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+#define MS_REMOUNT 32 /* Alter flags of a mounted FS */
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+#define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */
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+#define MS_NOATIME 1024 /* Do not update access times. */
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+#define MS_NODIRATIME 2048 /* Do not update directory access times */
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+#define MS_BIND 4096
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+#define MS_MOVE 8192
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+#define MS_REC 16384
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+#define MS_VERBOSE 32768
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+#define MS_ACTIVE (1<<30)
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+#define MS_NOUSER (1<<31)
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+
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+/*
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+ * Superblock flags that can be altered by MS_REMOUNT
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+ */
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+#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|\
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+ MS_NODIRATIME)
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+
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+/*
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+ * Old magic mount flag and mask
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+ */
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+#define MS_MGC_VAL 0xC0ED0000
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+#define MS_MGC_MSK 0xffff0000
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+
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+/* Inode flags - they have nothing to superblock flags now */
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+
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+#define S_SYNC 1 /* Writes are synced at once */
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+#define S_NOATIME 2 /* Do not update access times */
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+#define S_QUOTA 4 /* Quota initialized for file */
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+#define S_APPEND 8 /* Append-only file */
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+#define S_IMMUTABLE 16 /* Immutable file */
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+#define S_DEAD 32 /* removed, but still open directory */
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+#define S_NOQUOTA 64 /* Inode is not counted to quota */
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+
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+/*
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+ * Note that nosuid etc flags are inode-specific: setting some file-system
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+ * flags just means all the inodes inherit those flags by default. It might be
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+ * possible to override it selectively if you really wanted to with some
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+ * ioctl() that is not currently implemented.
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+ *
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+ * Exception: MS_RDONLY is always applied to the entire file system.
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+ *
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+ * Unfortunately, it is possible to change a filesystems flags with it mounted
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+ * with files in use. This means that all of the inodes will not have their
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+ * i_flags updated. Hence, i_flags no longer inherit the superblock mount
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+ * flags, so these have to be checked separately. -- rmk@arm.uk.linux.org
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+ */
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+#define __IS_FLG(inode,flg) ((inode)->i_sb->s_flags & (flg))
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+
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+#define IS_RDONLY(inode) ((inode)->i_sb->s_flags & MS_RDONLY)
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+#define IS_SYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS) || ((inode)->i_flags & S_SYNC))
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+#define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK)
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+
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+#define IS_QUOTAINIT(inode) ((inode)->i_flags & S_QUOTA)
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+#define IS_NOQUOTA(inode) ((inode)->i_flags & S_NOQUOTA)
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+#define IS_APPEND(inode) ((inode)->i_flags & S_APPEND)
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+#define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE)
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+#define IS_NOATIME(inode) (__IS_FLG(inode, MS_NOATIME) || ((inode)->i_flags & S_NOATIME))
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+#define IS_NODIRATIME(inode) __IS_FLG(inode, MS_NODIRATIME)
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+
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+#define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD)
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+
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+/* the read-only stuff doesn't really belong here, but any other place is
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+ probably as bad and I don't want to create yet another include file. */
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+
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+#define BLKROSET _IO(0x12,93) /* set device read-only (0 = read-write) */
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+#define BLKROGET _IO(0x12,94) /* get read-only status (0 = read_write) */
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+#define BLKRRPART _IO(0x12,95) /* re-read partition table */
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+#define BLKGETSIZE _IO(0x12,96) /* return device size /512 (long *arg) */
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+#define BLKFLSBUF _IO(0x12,97) /* flush buffer cache */
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+#define BLKRASET _IO(0x12,98) /* Set read ahead for block device */
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+#define BLKRAGET _IO(0x12,99) /* get current read ahead setting */
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+#define BLKFRASET _IO(0x12,100)/* set filesystem (mm/filemap.c) read-ahead */
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+#define BLKFRAGET _IO(0x12,101)/* get filesystem (mm/filemap.c) read-ahead */
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+#define BLKSECTSET _IO(0x12,102)/* set max sectors per request (ll_rw_blk.c) */
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+#define BLKSECTGET _IO(0x12,103)/* get max sectors per request (ll_rw_blk.c) */
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+#define BLKSSZGET _IO(0x12,104)/* get block device sector size */
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+#if 0
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+#define BLKPG _IO(0x12,105)/* See blkpg.h */
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+#define BLKELVGET _IOR(0x12,106,sizeof(blkelv_ioctl_arg_t))/* elevator get */
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+#define BLKELVSET _IOW(0x12,107,sizeof(blkelv_ioctl_arg_t))/* elevator set */
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+/* This was here just to show that the number is taken -
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+ probably all these _IO(0x12,*) ioctls should be moved to blkpg.h. */
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+#endif
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+/* A jump here: 108-111 have been used for various private purposes. */
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+#define BLKBSZGET _IOR(0x12,112,sizeof(int))
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+#define BLKBSZSET _IOW(0x12,113,sizeof(int))
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+#define BLKGETSIZE64 _IOR(0x12,114,sizeof(u64)) /* return device size in bytes (u64 *arg) */
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+
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+#define BMAP_IOCTL 1 /* obsolete - kept for compatibility */
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+#define FIBMAP _IO(0x00,1) /* bmap access */
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+#define FIGETBSZ _IO(0x00,2) /* get the block size used for bmap */
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+
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+#ifdef __KERNEL__
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+
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+#include <asm/semaphore.h>
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+#include <asm/byteorder.h>
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+
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+extern void update_atime (struct inode *);
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+extern void update_mctime (struct inode *);
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+#define UPDATE_ATIME(inode) update_atime (inode)
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+
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+extern void buffer_init(unsigned long);
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+extern void inode_init(unsigned long);
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+extern void mnt_init(unsigned long);
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+extern void files_init(unsigned long mempages);
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+
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+/* bh state bits */
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+enum bh_state_bits {
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+ BH_Uptodate, /* 1 if the buffer contains valid data */
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+ BH_Dirty, /* 1 if the buffer is dirty */
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+ BH_Lock, /* 1 if the buffer is locked */
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+ BH_Req, /* 0 if the buffer has been invalidated */
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+ BH_Mapped, /* 1 if the buffer has a disk mapping */
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+ BH_New, /* 1 if the buffer is new and not yet written out */
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+ BH_Async, /* 1 if the buffer is under end_buffer_io_async I/O */
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+ BH_Wait_IO, /* 1 if we should write out this buffer */
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+ BH_Launder, /* 1 if we can throttle on this buffer */
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+ BH_Attached, /* 1 if b_inode_buffers is linked into a list */
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+ BH_JBD, /* 1 if it has an attached journal_head */
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+ BH_Sync, /* 1 if the buffer is a sync read */
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+ BH_Delay, /* 1 if the buffer is delayed allocate */
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+
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+ BH_PrivateStart,/* not a state bit, but the first bit available
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+ * for private allocation by other entities
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+ */
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+};
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+
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+#define MAX_BUF_PER_PAGE (PAGE_CACHE_SIZE / 512)
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+
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+/*
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+ * Try to keep the most commonly used fields in single cache lines (16
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+ * bytes) to improve performance. This ordering should be
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+ * particularly beneficial on 32-bit processors.
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+ *
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+ * We use the first 16 bytes for the data which is used in searches
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+ * over the block hash lists (ie. getblk() and friends).
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+ *
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+ * The second 16 bytes we use for lru buffer scans, as used by
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+ * sync_buffers() and refill_freelist(). -- sct
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+ */
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+struct buffer_head {
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+ /* First cache line: */
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+ struct buffer_head *b_next; /* Hash queue list */
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+ unsigned long b_blocknr; /* block number */
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+ unsigned short b_size; /* block size */
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+ unsigned short b_list; /* List that this buffer appears */
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+ kdev_t b_dev; /* device (B_FREE = free) */
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+
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+ atomic_t b_count; /* users using this block */
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+ kdev_t b_rdev; /* Real device */
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+ unsigned long b_state; /* buffer state bitmap (see above) */
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+ unsigned long b_flushtime; /* Time when (dirty) buffer should be written */
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+
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+ struct buffer_head *b_next_free;/* lru/free list linkage */
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+ struct buffer_head *b_prev_free;/* doubly linked list of buffers */
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+ struct buffer_head *b_this_page;/* circular list of buffers in one page */
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+ struct buffer_head *b_reqnext; /* request queue */
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+
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+ struct buffer_head **b_pprev; /* doubly linked list of hash-queue */
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+ char * b_data; /* pointer to data block */
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+ struct page *b_page; /* the page this bh is mapped to */
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+ void (*b_end_io)(struct buffer_head *bh, int uptodate); /* I/O completion */
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+ void *b_private; /* reserved for b_end_io */
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+
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+ unsigned long b_rsector; /* Real buffer location on disk */
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+ wait_queue_head_t b_wait;
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+
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+ struct list_head b_inode_buffers; /* doubly linked list of inode dirty buffers */
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+};
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+
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+typedef void (bh_end_io_t)(struct buffer_head *bh, int uptodate);
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+void init_buffer(struct buffer_head *, bh_end_io_t *, void *);
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+
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+#define __buffer_state(bh, state) (((bh)->b_state & (1UL << BH_##state)) != 0)
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+
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+#define buffer_uptodate(bh) __buffer_state(bh,Uptodate)
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+#define buffer_dirty(bh) __buffer_state(bh,Dirty)
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+#define buffer_locked(bh) __buffer_state(bh,Lock)
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+#define buffer_req(bh) __buffer_state(bh,Req)
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+#define buffer_mapped(bh) __buffer_state(bh,Mapped)
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+#define buffer_new(bh) __buffer_state(bh,New)
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+#define buffer_async(bh) __buffer_state(bh,Async)
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+#define buffer_launder(bh) __buffer_state(bh,Launder)
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+#define buffer_delay(bh) __buffer_state(bh,Delay)
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+
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+#define bh_offset(bh) ((unsigned long)(bh)->b_data & ~PAGE_MASK)
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+
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+extern void set_bh_page(struct buffer_head *bh, struct page *page, unsigned long offset);
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+
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+#define touch_buffer(bh) mark_page_accessed(bh->b_page)
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+
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+
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+#include <linux/pipe_fs_i.h>
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+#include <linux/minix_fs_i.h>
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+#include <linux/ext2_fs_i.h>
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+#include <linux/ext3_fs_i.h>
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+#include <linux/hpfs_fs_i.h>
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+#include <linux/ntfs_fs_i.h>
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+#include <linux/msdos_fs_i.h>
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+#include <linux/umsdos_fs_i.h>
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+#include <linux/iso_fs_i.h>
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+#include <linux/nfs_fs_i.h>
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+#include <linux/sysv_fs_i.h>
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+#include <linux/affs_fs_i.h>
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+#include <linux/ufs_fs_i.h>
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+#include <linux/efs_fs_i.h>
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+#include <linux/coda_fs_i.h>
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+#include <linux/romfs_fs_i.h>
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+#include <linux/shmem_fs.h>
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+#include <linux/smb_fs_i.h>
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+#include <linux/hfs_fs_i.h>
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+#include <linux/adfs_fs_i.h>
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+#include <linux/qnx4_fs_i.h>
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+#include <linux/reiserfs_fs_i.h>
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+#include <linux/bfs_fs_i.h>
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+#include <linux/udf_fs_i.h>
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+#include <linux/ncp_fs_i.h>
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+#include <linux/proc_fs_i.h>
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|
+#include <linux/usbdev_fs_i.h>
|
|
+#include <linux/jffs2_fs_i.h>
|
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+#include <linux/cramfs_fs_sb.h>
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+
|
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+/*
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|
+ * Attribute flags. These should be or-ed together to figure out what
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+ * has been changed!
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|
+ */
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+#define ATTR_MODE 1
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+#define ATTR_UID 2
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+#define ATTR_GID 4
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+#define ATTR_SIZE 8
|
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+#define ATTR_ATIME 16
|
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+#define ATTR_MTIME 32
|
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+#define ATTR_CTIME 64
|
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+#define ATTR_ATIME_SET 128
|
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+#define ATTR_MTIME_SET 256
|
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+#define ATTR_FORCE 512 /* Not a change, but a change it */
|
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+#define ATTR_ATTR_FLAG 1024
|
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+
|
|
+/*
|
|
+ * This is the Inode Attributes structure, used for notify_change(). It
|
|
+ * uses the above definitions as flags, to know which values have changed.
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+ * Also, in this manner, a Filesystem can look at only the values it cares
|
|
+ * about. Basically, these are the attributes that the VFS layer can
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+ * request to change from the FS layer.
|
|
+ *
|
|
+ * Derek Atkins <warlord@MIT.EDU> 94-10-20
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|
+ */
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|
+struct iattr {
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+ unsigned int ia_valid;
|
|
+ umode_t ia_mode;
|
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+ uid_t ia_uid;
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+ gid_t ia_gid;
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+ loff_t ia_size;
|
|
+ time_t ia_atime;
|
|
+ time_t ia_mtime;
|
|
+ time_t ia_ctime;
|
|
+ unsigned int ia_attr_flags;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This is the inode attributes flag definitions
|
|
+ */
|
|
+#define ATTR_FLAG_SYNCRONOUS 1 /* Syncronous write */
|
|
+#define ATTR_FLAG_NOATIME 2 /* Don't update atime */
|
|
+#define ATTR_FLAG_APPEND 4 /* Append-only file */
|
|
+#define ATTR_FLAG_IMMUTABLE 8 /* Immutable file */
|
|
+#define ATTR_FLAG_NODIRATIME 16 /* Don't update atime for directory */
|
|
+
|
|
+/*
|
|
+ * Includes for diskquotas and mount structures.
|
|
+ */
|
|
+#include <linux/quota.h>
|
|
+#include <linux/mount.h>
|
|
+
|
|
+/*
|
|
+ * oh the beauties of C type declarations.
|
|
+ */
|
|
+struct page;
|
|
+struct address_space;
|
|
+struct kiobuf;
|
|
+
|
|
+struct address_space_operations {
|
|
+ int (*writepage)(struct page *);
|
|
+ int (*readpage)(struct file *, struct page *);
|
|
+ int (*sync_page)(struct page *);
|
|
+ /*
|
|
+ * ext3 requires that a successful prepare_write() call be followed
|
|
+ * by a commit_write() call - they must be balanced
|
|
+ */
|
|
+ int (*prepare_write)(struct file *, struct page *, unsigned, unsigned);
|
|
+ int (*commit_write)(struct file *, struct page *, unsigned, unsigned);
|
|
+ /* Unfortunately this kludge is needed for FIBMAP. Don't use it */
|
|
+ int (*bmap)(struct address_space *, long);
|
|
+ int (*flushpage) (struct page *, unsigned long);
|
|
+ int (*releasepage) (struct page *, int);
|
|
+#define KERNEL_HAS_O_DIRECT /* this is for modules out of the kernel */
|
|
+ int (*direct_IO)(int, struct inode *, struct kiobuf *, unsigned long, int);
|
|
+#define KERNEL_HAS_DIRECT_FILEIO /* Unfortunate kludge due to lack of foresight */
|
|
+ int (*direct_fileIO)(int, struct file *, struct kiobuf *, unsigned long, int);
|
|
+ void (*removepage)(struct page *); /* called when page gets removed from the inode */
|
|
+};
|
|
+
|
|
+struct address_space {
|
|
+ struct list_head clean_pages; /* list of clean pages */
|
|
+ struct list_head dirty_pages; /* list of dirty pages */
|
|
+ struct list_head locked_pages; /* list of locked pages */
|
|
+ unsigned long nrpages; /* number of total pages */
|
|
+ struct address_space_operations *a_ops; /* methods */
|
|
+ struct inode *host; /* owner: inode, block_device */
|
|
+ struct vm_area_struct *i_mmap; /* list of private mappings */
|
|
+ struct vm_area_struct *i_mmap_shared; /* list of shared mappings */
|
|
+ spinlock_t i_shared_lock; /* and spinlock protecting it */
|
|
+ int gfp_mask; /* how to allocate the pages */
|
|
+};
|
|
+
|
|
+struct char_device {
|
|
+ struct list_head hash;
|
|
+ atomic_t count;
|
|
+ dev_t dev;
|
|
+ atomic_t openers;
|
|
+ struct semaphore sem;
|
|
+};
|
|
+
|
|
+struct block_device {
|
|
+ struct list_head bd_hash;
|
|
+ atomic_t bd_count;
|
|
+ struct inode * bd_inode;
|
|
+ dev_t bd_dev; /* not a kdev_t - it's a search key */
|
|
+ int bd_openers;
|
|
+ const struct block_device_operations *bd_op;
|
|
+ struct semaphore bd_sem; /* open/close mutex */
|
|
+ struct list_head bd_inodes;
|
|
+};
|
|
+
|
|
+struct inode {
|
|
+ struct list_head i_hash;
|
|
+ struct list_head i_list;
|
|
+ struct list_head i_dentry;
|
|
+
|
|
+ struct list_head i_dirty_buffers;
|
|
+ struct list_head i_dirty_data_buffers;
|
|
+
|
|
+ unsigned long i_ino;
|
|
+ atomic_t i_count;
|
|
+ kdev_t i_dev;
|
|
+ umode_t i_mode;
|
|
+ nlink_t i_nlink;
|
|
+ uid_t i_uid;
|
|
+ gid_t i_gid;
|
|
+ kdev_t i_rdev;
|
|
+ loff_t i_size;
|
|
+ time_t i_atime;
|
|
+ time_t i_mtime;
|
|
+ time_t i_ctime;
|
|
+ unsigned int i_blkbits;
|
|
+ unsigned long i_blksize;
|
|
+ unsigned long i_blocks;
|
|
+ unsigned long i_version;
|
|
+ unsigned short i_bytes;
|
|
+ struct semaphore i_sem;
|
|
+ struct rw_semaphore i_alloc_sem;
|
|
+ struct semaphore i_zombie;
|
|
+ struct inode_operations *i_op;
|
|
+ struct file_operations *i_fop; /* former ->i_op->default_file_ops */
|
|
+ struct super_block *i_sb;
|
|
+ wait_queue_head_t i_wait;
|
|
+ struct file_lock *i_flock;
|
|
+ struct address_space *i_mapping;
|
|
+ struct address_space i_data;
|
|
+ struct dquot *i_dquot[MAXQUOTAS];
|
|
+ /* These three should probably be a union */
|
|
+ struct list_head i_devices;
|
|
+ struct pipe_inode_info *i_pipe;
|
|
+ struct block_device *i_bdev;
|
|
+ struct char_device *i_cdev;
|
|
+
|
|
+ unsigned long i_dnotify_mask; /* Directory notify events */
|
|
+ struct dnotify_struct *i_dnotify; /* for directory notifications */
|
|
+
|
|
+ unsigned long i_state;
|
|
+
|
|
+ unsigned int i_flags;
|
|
+ unsigned char i_sock;
|
|
+
|
|
+ atomic_t i_writecount;
|
|
+ unsigned int i_attr_flags;
|
|
+ __u32 i_generation;
|
|
+ union {
|
|
+ struct minix_inode_info minix_i;
|
|
+ struct ext2_inode_info ext2_i;
|
|
+ struct ext3_inode_info ext3_i;
|
|
+ struct hpfs_inode_info hpfs_i;
|
|
+ struct ntfs_inode_info ntfs_i;
|
|
+ struct msdos_inode_info msdos_i;
|
|
+ struct umsdos_inode_info umsdos_i;
|
|
+ struct iso_inode_info isofs_i;
|
|
+ struct nfs_inode_info nfs_i;
|
|
+ struct sysv_inode_info sysv_i;
|
|
+ struct affs_inode_info affs_i;
|
|
+ struct ufs_inode_info ufs_i;
|
|
+ struct efs_inode_info efs_i;
|
|
+ struct romfs_inode_info romfs_i;
|
|
+ struct shmem_inode_info shmem_i;
|
|
+ struct coda_inode_info coda_i;
|
|
+ struct smb_inode_info smbfs_i;
|
|
+ struct hfs_inode_info hfs_i;
|
|
+ struct adfs_inode_info adfs_i;
|
|
+ struct qnx4_inode_info qnx4_i;
|
|
+ struct reiserfs_inode_info reiserfs_i;
|
|
+ struct bfs_inode_info bfs_i;
|
|
+ struct udf_inode_info udf_i;
|
|
+ struct ncp_inode_info ncpfs_i;
|
|
+ struct proc_inode_info proc_i;
|
|
+ struct socket socket_i;
|
|
+ struct usbdev_inode_info usbdev_i;
|
|
+ struct jffs2_inode_info jffs2_i;
|
|
+ void *generic_ip;
|
|
+ } u;
|
|
+};
|
|
+
|
|
+static inline void inode_add_bytes(struct inode *inode, loff_t bytes)
|
|
+{
|
|
+ inode->i_blocks += bytes >> 9;
|
|
+ bytes &= 511;
|
|
+ inode->i_bytes += bytes;
|
|
+ if (inode->i_bytes >= 512) {
|
|
+ inode->i_blocks++;
|
|
+ inode->i_bytes -= 512;
|
|
+ }
|
|
+}
|
|
+
|
|
+static inline void inode_sub_bytes(struct inode *inode, loff_t bytes)
|
|
+{
|
|
+ inode->i_blocks -= bytes >> 9;
|
|
+ bytes &= 511;
|
|
+ if (inode->i_bytes < bytes) {
|
|
+ inode->i_blocks--;
|
|
+ inode->i_bytes += 512;
|
|
+ }
|
|
+ inode->i_bytes -= bytes;
|
|
+}
|
|
+
|
|
+static inline loff_t inode_get_bytes(struct inode *inode)
|
|
+{
|
|
+ return (((loff_t)inode->i_blocks) << 9) + inode->i_bytes;
|
|
+}
|
|
+
|
|
+static inline void inode_set_bytes(struct inode *inode, loff_t bytes)
|
|
+{
|
|
+ inode->i_blocks = bytes >> 9;
|
|
+ inode->i_bytes = bytes & 511;
|
|
+}
|
|
+
|
|
+struct fown_struct {
|
|
+ int pid; /* pid or -pgrp where SIGIO should be sent */
|
|
+ uid_t uid, euid; /* uid/euid of process setting the owner */
|
|
+ int signum; /* posix.1b rt signal to be delivered on IO */
|
|
+};
|
|
+
|
|
+struct file {
|
|
+ struct list_head f_list;
|
|
+ struct dentry *f_dentry;
|
|
+ struct vfsmount *f_vfsmnt;
|
|
+ struct file_operations *f_op;
|
|
+ atomic_t f_count;
|
|
+ unsigned int f_flags;
|
|
+ mode_t f_mode;
|
|
+ loff_t f_pos;
|
|
+ unsigned long f_reada, f_ramax, f_raend, f_ralen, f_rawin;
|
|
+ struct fown_struct f_owner;
|
|
+ unsigned int f_uid, f_gid;
|
|
+ int f_error;
|
|
+
|
|
+ unsigned long f_version;
|
|
+
|
|
+ /* needed for tty driver, and maybe others */
|
|
+ void *private_data;
|
|
+
|
|
+ /* preallocated helper kiobuf to speedup O_DIRECT */
|
|
+ struct kiobuf *f_iobuf;
|
|
+ long f_iobuf_lock;
|
|
+};
|
|
+extern spinlock_t files_lock;
|
|
+#define file_list_lock() spin_lock(&files_lock);
|
|
+#define file_list_unlock() spin_unlock(&files_lock);
|
|
+
|
|
+#define get_file(x) atomic_inc(&(x)->f_count)
|
|
+#define file_count(x) atomic_read(&(x)->f_count)
|
|
+
|
|
+extern int init_private_file(struct file *, struct dentry *, int);
|
|
+
|
|
+#define MAX_NON_LFS ((1UL<<31) - 1)
|
|
+
|
|
+/* Page cache limit. The filesystems should put that into their s_maxbytes
|
|
+ limits, otherwise bad things can happen in VM. */
|
|
+#if BITS_PER_LONG==32
|
|
+#define MAX_LFS_FILESIZE (((u64)PAGE_CACHE_SIZE << (BITS_PER_LONG-1))-1)
|
|
+#elif BITS_PER_LONG==64
|
|
+#define MAX_LFS_FILESIZE 0x7fffffffffffffff
|
|
+#endif
|
|
+
|
|
+#define FL_POSIX 1
|
|
+#define FL_FLOCK 2
|
|
+#define FL_BROKEN 4 /* broken flock() emulation */
|
|
+#define FL_ACCESS 8 /* for processes suspended by mandatory locking */
|
|
+#define FL_LOCKD 16 /* lock held by rpc.lockd */
|
|
+#define FL_LEASE 32 /* lease held on this file */
|
|
+
|
|
+/*
|
|
+ * The POSIX file lock owner is determined by
|
|
+ * the "struct files_struct" in the thread group
|
|
+ * (or NULL for no owner - BSD locks).
|
|
+ *
|
|
+ * Lockd stuffs a "host" pointer into this.
|
|
+ */
|
|
+typedef struct files_struct *fl_owner_t;
|
|
+
|
|
+struct file_lock {
|
|
+ struct file_lock *fl_next; /* singly linked list for this inode */
|
|
+ struct list_head fl_link; /* doubly linked list of all locks */
|
|
+ struct list_head fl_block; /* circular list of blocked processes */
|
|
+ fl_owner_t fl_owner;
|
|
+ unsigned int fl_pid;
|
|
+ wait_queue_head_t fl_wait;
|
|
+ struct file *fl_file;
|
|
+ unsigned char fl_flags;
|
|
+ unsigned char fl_type;
|
|
+ loff_t fl_start;
|
|
+ loff_t fl_end;
|
|
+
|
|
+ void (*fl_notify)(struct file_lock *); /* unblock callback */
|
|
+ void (*fl_insert)(struct file_lock *); /* lock insertion callback */
|
|
+ void (*fl_remove)(struct file_lock *); /* lock removal callback */
|
|
+
|
|
+ struct fasync_struct * fl_fasync; /* for lease break notifications */
|
|
+ unsigned long fl_break_time; /* for nonblocking lease breaks */
|
|
+
|
|
+ union {
|
|
+ struct nfs_lock_info nfs_fl;
|
|
+ } fl_u;
|
|
+};
|
|
+
|
|
+/* The following constant reflects the upper bound of the file/locking space */
|
|
+#ifndef OFFSET_MAX
|
|
+#define INT_LIMIT(x) (~((x)1 << (sizeof(x)*8 - 1)))
|
|
+#define OFFSET_MAX INT_LIMIT(loff_t)
|
|
+#define OFFT_OFFSET_MAX INT_LIMIT(off_t)
|
|
+#endif
|
|
+
|
|
+extern struct list_head file_lock_list;
|
|
+
|
|
+#include <linux/fcntl.h>
|
|
+
|
|
+extern int fcntl_getlk(unsigned int, struct flock *);
|
|
+extern int fcntl_setlk(unsigned int, unsigned int, struct flock *);
|
|
+
|
|
+extern int fcntl_getlk64(unsigned int, struct flock64 *);
|
|
+extern int fcntl_setlk64(unsigned int, unsigned int, struct flock64 *);
|
|
+
|
|
+/* fs/locks.c */
|
|
+extern void locks_init_lock(struct file_lock *);
|
|
+extern void locks_copy_lock(struct file_lock *, struct file_lock *);
|
|
+extern void locks_remove_posix(struct file *, fl_owner_t);
|
|
+extern void locks_remove_flock(struct file *);
|
|
+extern struct file_lock *posix_test_lock(struct file *, struct file_lock *);
|
|
+extern int posix_lock_file(struct file *, struct file_lock *, unsigned int);
|
|
+extern void posix_block_lock(struct file_lock *, struct file_lock *);
|
|
+extern void posix_unblock_lock(struct file_lock *);
|
|
+extern int posix_locks_deadlock(struct file_lock *, struct file_lock *);
|
|
+extern int __get_lease(struct inode *inode, unsigned int flags);
|
|
+extern time_t lease_get_mtime(struct inode *);
|
|
+extern int lock_may_read(struct inode *, loff_t start, unsigned long count);
|
|
+extern int lock_may_write(struct inode *, loff_t start, unsigned long count);
|
|
+extern void steal_locks(fl_owner_t from);
|
|
+
|
|
+struct fasync_struct {
|
|
+ int magic;
|
|
+ int fa_fd;
|
|
+ struct fasync_struct *fa_next; /* singly linked list */
|
|
+ struct file *fa_file;
|
|
+};
|
|
+
|
|
+#define FASYNC_MAGIC 0x4601
|
|
+
|
|
+/* SMP safe fasync helpers: */
|
|
+extern int fasync_helper(int, struct file *, int, struct fasync_struct **);
|
|
+/* can be called from interrupts */
|
|
+extern void kill_fasync(struct fasync_struct **, int, int);
|
|
+/* only for net: no internal synchronization */
|
|
+extern void __kill_fasync(struct fasync_struct *, int, int);
|
|
+
|
|
+struct nameidata {
|
|
+ struct dentry *dentry;
|
|
+ struct vfsmount *mnt;
|
|
+ struct qstr last;
|
|
+ unsigned int flags;
|
|
+ int last_type;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * Umount options
|
|
+ */
|
|
+
|
|
+#define MNT_FORCE 0x00000001 /* Attempt to forcibily umount */
|
|
+#define MNT_DETACH 0x00000002 /* Just detach from the tree */
|
|
+
|
|
+#include <linux/minix_fs_sb.h>
|
|
+#include <linux/ext2_fs_sb.h>
|
|
+#include <linux/ext3_fs_sb.h>
|
|
+#include <linux/hpfs_fs_sb.h>
|
|
+#include <linux/ntfs_fs_sb.h>
|
|
+#include <linux/msdos_fs_sb.h>
|
|
+#include <linux/iso_fs_sb.h>
|
|
+#include <linux/nfs_fs_sb.h>
|
|
+#include <linux/sysv_fs_sb.h>
|
|
+#include <linux/affs_fs_sb.h>
|
|
+#include <linux/ufs_fs_sb.h>
|
|
+#include <linux/efs_fs_sb.h>
|
|
+#include <linux/romfs_fs_sb.h>
|
|
+#include <linux/smb_fs_sb.h>
|
|
+#include <linux/hfs_fs_sb.h>
|
|
+#include <linux/adfs_fs_sb.h>
|
|
+#include <linux/qnx4_fs_sb.h>
|
|
+#include <linux/reiserfs_fs_sb.h>
|
|
+#include <linux/bfs_fs_sb.h>
|
|
+#include <linux/udf_fs_sb.h>
|
|
+#include <linux/ncp_fs_sb.h>
|
|
+#include <linux/usbdev_fs_sb.h>
|
|
+#include <linux/cramfs_fs_sb.h>
|
|
+#include <linux/jffs2_fs_sb.h>
|
|
+
|
|
+extern struct list_head super_blocks;
|
|
+extern spinlock_t sb_lock;
|
|
+
|
|
+#define sb_entry(list) list_entry((list), struct super_block, s_list)
|
|
+#define S_BIAS (1<<30)
|
|
+struct super_block {
|
|
+ struct list_head s_list; /* Keep this first */
|
|
+ kdev_t s_dev;
|
|
+ unsigned long s_blocksize;
|
|
+ unsigned char s_blocksize_bits;
|
|
+ unsigned char s_dirt;
|
|
+ unsigned long long s_maxbytes; /* Max file size */
|
|
+ struct file_system_type *s_type;
|
|
+ struct super_operations *s_op;
|
|
+ struct dquot_operations *dq_op;
|
|
+ struct quotactl_ops *s_qcop;
|
|
+ unsigned long s_flags;
|
|
+ unsigned long s_magic;
|
|
+ struct dentry *s_root;
|
|
+ struct rw_semaphore s_umount;
|
|
+ struct semaphore s_lock;
|
|
+ int s_count;
|
|
+ atomic_t s_active;
|
|
+
|
|
+ struct list_head s_dirty; /* dirty inodes */
|
|
+ struct list_head s_locked_inodes;/* inodes being synced */
|
|
+ struct list_head s_files;
|
|
+
|
|
+ struct block_device *s_bdev;
|
|
+ struct list_head s_instances;
|
|
+ struct quota_info s_dquot; /* Diskquota specific options */
|
|
+
|
|
+ union {
|
|
+ struct minix_sb_info minix_sb;
|
|
+ struct ext2_sb_info ext2_sb;
|
|
+ struct ext3_sb_info ext3_sb;
|
|
+ struct hpfs_sb_info hpfs_sb;
|
|
+ struct ntfs_sb_info ntfs_sb;
|
|
+ struct msdos_sb_info msdos_sb;
|
|
+ struct isofs_sb_info isofs_sb;
|
|
+ struct nfs_sb_info nfs_sb;
|
|
+ struct sysv_sb_info sysv_sb;
|
|
+ struct affs_sb_info affs_sb;
|
|
+ struct ufs_sb_info ufs_sb;
|
|
+ struct efs_sb_info efs_sb;
|
|
+ struct shmem_sb_info shmem_sb;
|
|
+ struct romfs_sb_info romfs_sb;
|
|
+ struct smb_sb_info smbfs_sb;
|
|
+ struct hfs_sb_info hfs_sb;
|
|
+ struct adfs_sb_info adfs_sb;
|
|
+ struct qnx4_sb_info qnx4_sb;
|
|
+ struct reiserfs_sb_info reiserfs_sb;
|
|
+ struct bfs_sb_info bfs_sb;
|
|
+ struct udf_sb_info udf_sb;
|
|
+ struct ncp_sb_info ncpfs_sb;
|
|
+ struct usbdev_sb_info usbdevfs_sb;
|
|
+ struct jffs2_sb_info jffs2_sb;
|
|
+ struct cramfs_sb_info cramfs_sb;
|
|
+ void *generic_sbp;
|
|
+ } u;
|
|
+ /*
|
|
+ * The next field is for VFS *only*. No filesystems have any business
|
|
+ * even looking at it. You had been warned.
|
|
+ */
|
|
+ struct semaphore s_vfs_rename_sem; /* Kludge */
|
|
+
|
|
+ /* The next field is used by knfsd when converting a (inode number based)
|
|
+ * file handle into a dentry. As it builds a path in the dcache tree from
|
|
+ * the bottom up, there may for a time be a subpath of dentrys which is not
|
|
+ * connected to the main tree. This semaphore ensure that there is only ever
|
|
+ * one such free path per filesystem. Note that unconnected files (or other
|
|
+ * non-directories) are allowed, but not unconnected diretories.
|
|
+ */
|
|
+ struct semaphore s_nfsd_free_path_sem;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * VFS helper functions..
|
|
+ */
|
|
+extern int vfs_create(struct inode *, struct dentry *, int);
|
|
+extern int vfs_mkdir(struct inode *, struct dentry *, int);
|
|
+extern int vfs_mknod(struct inode *, struct dentry *, int, dev_t);
|
|
+extern int vfs_symlink(struct inode *, struct dentry *, const char *);
|
|
+extern int vfs_link(struct dentry *, struct inode *, struct dentry *);
|
|
+extern int vfs_rmdir(struct inode *, struct dentry *);
|
|
+extern int vfs_unlink(struct inode *, struct dentry *);
|
|
+extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
|
|
+
|
|
+/*
|
|
+ * File types
|
|
+ */
|
|
+#define DT_UNKNOWN 0
|
|
+#define DT_FIFO 1
|
|
+#define DT_CHR 2
|
|
+#define DT_DIR 4
|
|
+#define DT_BLK 6
|
|
+#define DT_REG 8
|
|
+#define DT_LNK 10
|
|
+#define DT_SOCK 12
|
|
+#define DT_WHT 14
|
|
+
|
|
+/*
|
|
+ * This is the "filldir" function type, used by readdir() to let
|
|
+ * the kernel specify what kind of dirent layout it wants to have.
|
|
+ * This allows the kernel to read directories into kernel space or
|
|
+ * to have different dirent layouts depending on the binary type.
|
|
+ */
|
|
+typedef int (*filldir_t)(void *, const char *, int, loff_t, ino_t, unsigned);
|
|
+
|
|
+struct block_device_operations {
|
|
+ int (*open) (struct inode *, struct file *);
|
|
+ int (*release) (struct inode *, struct file *);
|
|
+ int (*ioctl) (struct inode *, struct file *, unsigned, unsigned long);
|
|
+ int (*check_media_change) (kdev_t);
|
|
+ int (*revalidate) (kdev_t);
|
|
+ struct module *owner;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * NOTE:
|
|
+ * read, write, poll, fsync, readv, writev can be called
|
|
+ * without the big kernel lock held in all filesystems.
|
|
+ */
|
|
+struct file_operations {
|
|
+ struct module *owner;
|
|
+ loff_t (*llseek) (struct file *, loff_t, int);
|
|
+ ssize_t (*read) (struct file *, char *, size_t, loff_t *);
|
|
+ ssize_t (*write) (struct file *, const char *, size_t, loff_t *);
|
|
+ int (*readdir) (struct file *, void *, filldir_t);
|
|
+ unsigned int (*poll) (struct file *, struct poll_table_struct *);
|
|
+ int (*ioctl) (struct inode *, struct file *, unsigned int, unsigned long);
|
|
+ int (*mmap) (struct file *, struct vm_area_struct *);
|
|
+ int (*open) (struct inode *, struct file *);
|
|
+ int (*flush) (struct file *);
|
|
+ int (*release) (struct inode *, struct file *);
|
|
+ int (*fsync) (struct file *, struct dentry *, int datasync);
|
|
+ int (*fasync) (int, struct file *, int);
|
|
+ int (*lock) (struct file *, int, struct file_lock *);
|
|
+ ssize_t (*readv) (struct file *, const struct iovec *, unsigned long, loff_t *);
|
|
+ ssize_t (*writev) (struct file *, const struct iovec *, unsigned long, loff_t *);
|
|
+ ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int);
|
|
+ unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
|
|
+};
|
|
+
|
|
+struct inode_operations {
|
|
+ int (*create) (struct inode *,struct dentry *,int);
|
|
+ struct dentry * (*lookup) (struct inode *,struct dentry *);
|
|
+ int (*link) (struct dentry *,struct inode *,struct dentry *);
|
|
+ int (*unlink) (struct inode *,struct dentry *);
|
|
+ int (*symlink) (struct inode *,struct dentry *,const char *);
|
|
+ int (*mkdir) (struct inode *,struct dentry *,int);
|
|
+ int (*rmdir) (struct inode *,struct dentry *);
|
|
+ int (*mknod) (struct inode *,struct dentry *,int,int);
|
|
+ int (*rename) (struct inode *, struct dentry *,
|
|
+ struct inode *, struct dentry *);
|
|
+ int (*readlink) (struct dentry *, char *,int);
|
|
+ int (*follow_link) (struct dentry *, struct nameidata *);
|
|
+ void (*truncate) (struct inode *);
|
|
+ int (*permission) (struct inode *, int);
|
|
+ int (*revalidate) (struct dentry *);
|
|
+ int (*setattr) (struct dentry *, struct iattr *);
|
|
+ int (*getattr) (struct dentry *, struct iattr *);
|
|
+ int (*setxattr) (struct dentry *, const char *, void *, size_t, int);
|
|
+ ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t);
|
|
+ ssize_t (*listxattr) (struct dentry *, char *, size_t);
|
|
+ int (*removexattr) (struct dentry *, const char *);
|
|
+};
|
|
+
|
|
+struct seq_file;
|
|
+
|
|
+/*
|
|
+ * NOTE: write_inode, delete_inode, clear_inode, put_inode can be called
|
|
+ * without the big kernel lock held in all filesystems.
|
|
+ */
|
|
+struct super_operations {
|
|
+ struct inode *(*alloc_inode)(struct super_block *sb);
|
|
+ void (*destroy_inode)(struct inode *);
|
|
+
|
|
+ void (*read_inode) (struct inode *);
|
|
+
|
|
+ /* reiserfs kludge. reiserfs needs 64 bits of information to
|
|
+ ** find an inode. We are using the read_inode2 call to get
|
|
+ ** that information. We don't like this, and are waiting on some
|
|
+ ** VFS changes for the real solution.
|
|
+ ** iget4 calls read_inode2, iff it is defined
|
|
+ */
|
|
+ void (*read_inode2) (struct inode *, void *) ;
|
|
+ void (*dirty_inode) (struct inode *);
|
|
+ void (*write_inode) (struct inode *, int);
|
|
+ void (*put_inode) (struct inode *);
|
|
+ void (*delete_inode) (struct inode *);
|
|
+ void (*put_super) (struct super_block *);
|
|
+ void (*write_super) (struct super_block *);
|
|
+ int (*sync_fs) (struct super_block *);
|
|
+ void (*write_super_lockfs) (struct super_block *);
|
|
+ void (*unlockfs) (struct super_block *);
|
|
+ int (*statfs) (struct super_block *, struct statfs *);
|
|
+ int (*remount_fs) (struct super_block *, int *, char *);
|
|
+ void (*clear_inode) (struct inode *);
|
|
+ void (*umount_begin) (struct super_block *);
|
|
+
|
|
+ /* Following are for knfsd to interact with "interesting" filesystems
|
|
+ * Currently just reiserfs, but possibly FAT and others later
|
|
+ *
|
|
+ * fh_to_dentry is given a filehandle fragement with length, and a type flag
|
|
+ * and must return a dentry for the referenced object or, if "parent" is
|
|
+ * set, a dentry for the parent of the object.
|
|
+ * If a dentry cannot be found, a "root" dentry should be created and
|
|
+ * flaged as DCACHE_NFSD_DISCONNECTED. nfsd_iget is an example implementation.
|
|
+ *
|
|
+ * dentry_to_fh is given a dentry and must generate the filesys specific
|
|
+ * part of the file handle. Available length is passed in *lenp and used
|
|
+ * length should be returned therein.
|
|
+ * If need_parent is set, then dentry_to_fh should encode sufficient information
|
|
+ * to find the (current) parent.
|
|
+ * dentry_to_fh should return a 1byte "type" which will be passed back in
|
|
+ * the fhtype arguement to fh_to_dentry. Type of 0 is reserved.
|
|
+ * If filesystem was exportable before the introduction of fh_to_dentry,
|
|
+ * types 1 and 2 should be used is that same way as the generic code.
|
|
+ * Type 255 means error.
|
|
+ *
|
|
+ * Lengths are in units of 4bytes, not bytes.
|
|
+ */
|
|
+ struct dentry * (*fh_to_dentry)(struct super_block *sb, __u32 *fh, int len, int fhtype, int parent);
|
|
+ int (*dentry_to_fh)(struct dentry *, __u32 *fh, int *lenp, int need_parent);
|
|
+ int (*show_options)(struct seq_file *, struct vfsmount *);
|
|
+};
|
|
+
|
|
+/* Inode state bits.. */
|
|
+#define I_DIRTY_SYNC 1 /* Not dirty enough for O_DATASYNC */
|
|
+#define I_DIRTY_DATASYNC 2 /* Data-related inode changes pending */
|
|
+#define I_DIRTY_PAGES 4 /* Data-related inode changes pending */
|
|
+#define I_LOCK 8
|
|
+#define I_FREEING 16
|
|
+#define I_CLEAR 32
|
|
+#define I_NEW 64
|
|
+
|
|
+#define I_DIRTY (I_DIRTY_SYNC | I_DIRTY_DATASYNC | I_DIRTY_PAGES)
|
|
+
|
|
+extern void __mark_inode_dirty(struct inode *, int);
|
|
+static inline void mark_inode_dirty(struct inode *inode)
|
|
+{
|
|
+ __mark_inode_dirty(inode, I_DIRTY);
|
|
+}
|
|
+
|
|
+static inline void mark_inode_dirty_sync(struct inode *inode)
|
|
+{
|
|
+ __mark_inode_dirty(inode, I_DIRTY_SYNC);
|
|
+}
|
|
+
|
|
+static inline void mark_inode_dirty_pages(struct inode *inode)
|
|
+{
|
|
+ __mark_inode_dirty(inode, I_DIRTY_PAGES);
|
|
+}
|
|
+
|
|
+struct file_system_type {
|
|
+ const char *name;
|
|
+ int fs_flags;
|
|
+ struct super_block *(*read_super) (struct super_block *, void *, int);
|
|
+ struct module *owner;
|
|
+ struct file_system_type * next;
|
|
+ struct list_head fs_supers;
|
|
+};
|
|
+
|
|
+#define DECLARE_FSTYPE(var,type,read,flags) \
|
|
+struct file_system_type var = { \
|
|
+ name: type, \
|
|
+ read_super: read, \
|
|
+ fs_flags: flags, \
|
|
+ owner: THIS_MODULE, \
|
|
+}
|
|
+
|
|
+#define DECLARE_FSTYPE_DEV(var,type,read) \
|
|
+ DECLARE_FSTYPE(var,type,read,FS_REQUIRES_DEV)
|
|
+
|
|
+/* Alas, no aliases. Too much hassle with bringing module.h everywhere */
|
|
+#define fops_get(fops) \
|
|
+ (((fops) && (fops)->owner) \
|
|
+ ? ( try_inc_mod_count((fops)->owner) ? (fops) : NULL ) \
|
|
+ : (fops))
|
|
+
|
|
+#define fops_put(fops) \
|
|
+do { \
|
|
+ if ((fops) && (fops)->owner) \
|
|
+ __MOD_DEC_USE_COUNT((fops)->owner); \
|
|
+} while(0)
|
|
+
|
|
+extern int register_filesystem(struct file_system_type *);
|
|
+extern int unregister_filesystem(struct file_system_type *);
|
|
+extern struct vfsmount *kern_mount(struct file_system_type *);
|
|
+extern int may_umount(struct vfsmount *);
|
|
+extern long do_mount(char *, char *, char *, unsigned long, void *);
|
|
+
|
|
+#define kern_umount mntput
|
|
+
|
|
+extern int vfs_statfs(struct super_block *, struct statfs *);
|
|
+
|
|
+/* Return value for VFS lock functions - tells locks.c to lock conventionally
|
|
+ * REALLY kosha for root NFS and nfs_lock
|
|
+ */
|
|
+#define LOCK_USE_CLNT 1
|
|
+
|
|
+#define FLOCK_VERIFY_READ 1
|
|
+#define FLOCK_VERIFY_WRITE 2
|
|
+
|
|
+extern int locks_mandatory_locked(struct inode *);
|
|
+extern int locks_mandatory_area(int, struct inode *, struct file *, loff_t, size_t);
|
|
+
|
|
+/*
|
|
+ * Candidates for mandatory locking have the setgid bit set
|
|
+ * but no group execute bit - an otherwise meaningless combination.
|
|
+ */
|
|
+#define MANDATORY_LOCK(inode) \
|
|
+ (IS_MANDLOCK(inode) && ((inode)->i_mode & (S_ISGID | S_IXGRP)) == S_ISGID)
|
|
+
|
|
+static inline int locks_verify_locked(struct inode *inode)
|
|
+{
|
|
+ if (MANDATORY_LOCK(inode))
|
|
+ return locks_mandatory_locked(inode);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static inline int locks_verify_area(int read_write, struct inode *inode,
|
|
+ struct file *filp, loff_t offset,
|
|
+ size_t count)
|
|
+{
|
|
+ if (inode->i_flock && MANDATORY_LOCK(inode))
|
|
+ return locks_mandatory_area(read_write, inode, filp, offset, count);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static inline int locks_verify_truncate(struct inode *inode,
|
|
+ struct file *filp,
|
|
+ loff_t size)
|
|
+{
|
|
+ if (inode->i_flock && MANDATORY_LOCK(inode))
|
|
+ return locks_mandatory_area(
|
|
+ FLOCK_VERIFY_WRITE, inode, filp,
|
|
+ size < inode->i_size ? size : inode->i_size,
|
|
+ (size < inode->i_size ? inode->i_size - size
|
|
+ : size - inode->i_size)
|
|
+ );
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static inline int get_lease(struct inode *inode, unsigned int mode)
|
|
+{
|
|
+ if (inode->i_flock)
|
|
+ return __get_lease(inode, mode);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/* fs/open.c */
|
|
+
|
|
+asmlinkage long sys_open(const char *, int, int);
|
|
+asmlinkage long sys_close(unsigned int); /* yes, it's really unsigned */
|
|
+extern int do_truncate(struct dentry *, loff_t start);
|
|
+
|
|
+extern struct file *filp_open(const char *, int, int);
|
|
+extern struct file * dentry_open(struct dentry *, struct vfsmount *, int);
|
|
+extern int filp_close(struct file *, fl_owner_t id);
|
|
+extern char * getname(const char *);
|
|
+
|
|
+/* fs/dcache.c */
|
|
+extern void vfs_caches_init(unsigned long);
|
|
+
|
|
+#define __getname() kmem_cache_alloc(names_cachep, SLAB_KERNEL)
|
|
+#define putname(name) kmem_cache_free(names_cachep, (void *)(name))
|
|
+
|
|
+enum {BDEV_FILE, BDEV_SWAP, BDEV_FS, BDEV_RAW};
|
|
+extern int register_blkdev(unsigned int, const char *, struct block_device_operations *);
|
|
+extern int unregister_blkdev(unsigned int, const char *);
|
|
+extern struct block_device *bdget(dev_t);
|
|
+extern int bd_acquire(struct inode *inode);
|
|
+extern void bd_forget(struct inode *inode);
|
|
+extern void bdput(struct block_device *);
|
|
+extern struct char_device *cdget(dev_t);
|
|
+extern void cdput(struct char_device *);
|
|
+extern int blkdev_open(struct inode *, struct file *);
|
|
+extern int blkdev_close(struct inode *, struct file *);
|
|
+extern struct file_operations def_blk_fops;
|
|
+extern struct address_space_operations def_blk_aops;
|
|
+extern struct file_operations def_fifo_fops;
|
|
+extern int ioctl_by_bdev(struct block_device *, unsigned, unsigned long);
|
|
+extern int blkdev_get(struct block_device *, mode_t, unsigned, int);
|
|
+extern int blkdev_put(struct block_device *, int);
|
|
+
|
|
+/* fs/devices.c */
|
|
+extern const struct block_device_operations *get_blkfops(unsigned int);
|
|
+extern int register_chrdev(unsigned int, const char *, struct file_operations *);
|
|
+extern int unregister_chrdev(unsigned int, const char *);
|
|
+extern int chrdev_open(struct inode *, struct file *);
|
|
+extern const char * bdevname(kdev_t);
|
|
+extern const char * cdevname(kdev_t);
|
|
+extern const char * kdevname(kdev_t);
|
|
+extern void init_special_inode(struct inode *, umode_t, int);
|
|
+
|
|
+/* Invalid inode operations -- fs/bad_inode.c */
|
|
+extern void make_bad_inode(struct inode *);
|
|
+extern int is_bad_inode(struct inode *);
|
|
+
|
|
+extern struct file_operations read_fifo_fops;
|
|
+extern struct file_operations write_fifo_fops;
|
|
+extern struct file_operations rdwr_fifo_fops;
|
|
+extern struct file_operations read_pipe_fops;
|
|
+extern struct file_operations write_pipe_fops;
|
|
+extern struct file_operations rdwr_pipe_fops;
|
|
+
|
|
+extern int fs_may_remount_ro(struct super_block *);
|
|
+
|
|
+extern int FASTCALL(try_to_free_buffers(struct page *, unsigned int));
|
|
+extern void refile_buffer(struct buffer_head * buf);
|
|
+extern void create_empty_buffers(struct page *, kdev_t, unsigned long);
|
|
+extern void end_buffer_io_sync(struct buffer_head *bh, int uptodate);
|
|
+extern void end_buffer_io_async(struct buffer_head *bh, int uptodate);
|
|
+
|
|
+/* reiserfs_writepage needs this */
|
|
+extern void set_buffer_async_io(struct buffer_head *bh) ;
|
|
+
|
|
+#define BUF_CLEAN 0
|
|
+#define BUF_LOCKED 1 /* Buffers scheduled for write */
|
|
+#define BUF_DIRTY 2 /* Dirty buffers, not yet scheduled for write */
|
|
+#define NR_LIST 3
|
|
+
|
|
+static inline void get_bh(struct buffer_head * bh)
|
|
+{
|
|
+ atomic_inc(&(bh)->b_count);
|
|
+}
|
|
+
|
|
+static inline void put_bh(struct buffer_head *bh)
|
|
+{
|
|
+ smp_mb__before_atomic_dec();
|
|
+ atomic_dec(&bh->b_count);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * This is called by bh->b_end_io() handlers when I/O has completed.
|
|
+ */
|
|
+static inline void mark_buffer_uptodate(struct buffer_head * bh, int on)
|
|
+{
|
|
+ if (on)
|
|
+ set_bit(BH_Uptodate, &bh->b_state);
|
|
+ else
|
|
+ clear_bit(BH_Uptodate, &bh->b_state);
|
|
+}
|
|
+
|
|
+#define atomic_set_buffer_clean(bh) test_and_clear_bit(BH_Dirty, &(bh)->b_state)
|
|
+
|
|
+static inline void __mark_buffer_clean(struct buffer_head *bh)
|
|
+{
|
|
+ refile_buffer(bh);
|
|
+}
|
|
+
|
|
+static inline void mark_buffer_clean(struct buffer_head * bh)
|
|
+{
|
|
+ if (atomic_set_buffer_clean(bh))
|
|
+ __mark_buffer_clean(bh);
|
|
+}
|
|
+
|
|
+extern void FASTCALL(__mark_dirty(struct buffer_head *bh));
|
|
+extern void FASTCALL(__mark_buffer_dirty(struct buffer_head *bh));
|
|
+extern void FASTCALL(mark_buffer_dirty(struct buffer_head *bh));
|
|
+
|
|
+extern void FASTCALL(buffer_insert_list(struct buffer_head *, struct list_head *));
|
|
+
|
|
+static inline void buffer_insert_inode_queue(struct buffer_head *bh, struct inode *inode)
|
|
+{
|
|
+ buffer_insert_list(bh, &inode->i_dirty_buffers);
|
|
+}
|
|
+
|
|
+static inline void buffer_insert_inode_data_queue(struct buffer_head *bh, struct inode *inode)
|
|
+{
|
|
+ buffer_insert_list(bh, &inode->i_dirty_data_buffers);
|
|
+}
|
|
+
|
|
+static inline int atomic_set_buffer_dirty(struct buffer_head *bh)
|
|
+{
|
|
+ return test_and_set_bit(BH_Dirty, &bh->b_state);
|
|
+}
|
|
+
|
|
+static inline void mark_buffer_async(struct buffer_head * bh, int on)
|
|
+{
|
|
+ if (on)
|
|
+ set_bit(BH_Async, &bh->b_state);
|
|
+ else
|
|
+ clear_bit(BH_Async, &bh->b_state);
|
|
+}
|
|
+
|
|
+static inline void set_buffer_attached(struct buffer_head *bh)
|
|
+{
|
|
+ set_bit(BH_Attached, &bh->b_state);
|
|
+}
|
|
+
|
|
+static inline void clear_buffer_attached(struct buffer_head *bh)
|
|
+{
|
|
+ clear_bit(BH_Attached, &bh->b_state);
|
|
+}
|
|
+
|
|
+static inline int buffer_attached(struct buffer_head *bh)
|
|
+{
|
|
+ return test_bit(BH_Attached, &bh->b_state);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * If an error happens during the make_request, this function
|
|
+ * has to be recalled. It marks the buffer as clean and not
|
|
+ * uptodate, and it notifys the upper layer about the end
|
|
+ * of the I/O.
|
|
+ */
|
|
+static inline void buffer_IO_error(struct buffer_head * bh)
|
|
+{
|
|
+ mark_buffer_clean(bh);
|
|
+ /*
|
|
+ * b_end_io has to clear the BH_Uptodate bitflag in the error case!
|
|
+ */
|
|
+ bh->b_end_io(bh, 0);
|
|
+}
|
|
+
|
|
+static inline void mark_buffer_dirty_inode(struct buffer_head *bh, struct inode *inode)
|
|
+{
|
|
+ mark_buffer_dirty(bh);
|
|
+ buffer_insert_inode_queue(bh, inode);
|
|
+}
|
|
+
|
|
+extern void set_buffer_flushtime(struct buffer_head *);
|
|
+extern inline int get_buffer_flushtime(void);
|
|
+extern void balance_dirty(void);
|
|
+extern int check_disk_change(kdev_t);
|
|
+extern int invalidate_inodes(struct super_block *);
|
|
+extern int invalidate_device(kdev_t, int);
|
|
+extern void invalidate_inode_pages(struct inode *);
|
|
+extern void invalidate_inode_pages2(struct address_space *);
|
|
+extern void invalidate_inode_buffers(struct inode *);
|
|
+#define invalidate_buffers(dev) __invalidate_buffers((dev), 0)
|
|
+#define destroy_buffers(dev) __invalidate_buffers((dev), 1)
|
|
+extern void invalidate_bdev(struct block_device *, int);
|
|
+extern void __invalidate_buffers(kdev_t dev, int);
|
|
+extern void sync_inodes(kdev_t);
|
|
+extern void sync_unlocked_inodes(void);
|
|
+extern void write_inode_now(struct inode *, int);
|
|
+extern int sync_buffers(kdev_t, int);
|
|
+extern void sync_dev(kdev_t);
|
|
+extern int fsync_dev(kdev_t);
|
|
+extern int fsync_super(struct super_block *);
|
|
+extern int fsync_no_super(kdev_t);
|
|
+extern void sync_inodes_sb(struct super_block *);
|
|
+extern int fsync_buffers_list(struct list_head *);
|
|
+static inline int fsync_inode_buffers(struct inode *inode)
|
|
+{
|
|
+ return fsync_buffers_list(&inode->i_dirty_buffers);
|
|
+}
|
|
+static inline int fsync_inode_data_buffers(struct inode *inode)
|
|
+{
|
|
+ return fsync_buffers_list(&inode->i_dirty_data_buffers);
|
|
+}
|
|
+extern int inode_has_buffers(struct inode *);
|
|
+extern int do_fdatasync(struct file *);
|
|
+extern int filemap_fdatawrite(struct address_space *);
|
|
+extern int filemap_fdatasync(struct address_space *);
|
|
+extern int filemap_fdatawait(struct address_space *);
|
|
+extern void sync_supers(kdev_t dev, int wait);
|
|
+extern int bmap(struct inode *, int);
|
|
+extern int notify_change(struct dentry *, struct iattr *);
|
|
+extern int permission(struct inode *, int);
|
|
+extern int vfs_permission(struct inode *, int);
|
|
+extern int get_write_access(struct inode *);
|
|
+extern int deny_write_access(struct file *);
|
|
+static inline void put_write_access(struct inode * inode)
|
|
+{
|
|
+ atomic_dec(&inode->i_writecount);
|
|
+}
|
|
+static inline void allow_write_access(struct file *file)
|
|
+{
|
|
+ if (file)
|
|
+ atomic_inc(&file->f_dentry->d_inode->i_writecount);
|
|
+}
|
|
+extern int do_pipe(int *);
|
|
+
|
|
+extern int open_namei(const char *, int, int, struct nameidata *);
|
|
+
|
|
+extern int kernel_read(struct file *, unsigned long, char *, unsigned long);
|
|
+extern struct file * open_exec(const char *);
|
|
+
|
|
+/* fs/dcache.c -- generic fs support functions */
|
|
+extern int is_subdir(struct dentry *, struct dentry *);
|
|
+extern ino_t find_inode_number(struct dentry *, struct qstr *);
|
|
+
|
|
+/*
|
|
+ * Kernel pointers have redundant information, so we can use a
|
|
+ * scheme where we can return either an error code or a dentry
|
|
+ * pointer with the same return value.
|
|
+ *
|
|
+ * This should be a per-architecture thing, to allow different
|
|
+ * error and pointer decisions.
|
|
+ */
|
|
+static inline void *ERR_PTR(long error)
|
|
+{
|
|
+ return (void *) error;
|
|
+}
|
|
+
|
|
+static inline long PTR_ERR(const void *ptr)
|
|
+{
|
|
+ return (long) ptr;
|
|
+}
|
|
+
|
|
+static inline long IS_ERR(const void *ptr)
|
|
+{
|
|
+ return (unsigned long)ptr > (unsigned long)-1000L;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * The bitmask for a lookup event:
|
|
+ * - follow links at the end
|
|
+ * - require a directory
|
|
+ * - ending slashes ok even for nonexistent files
|
|
+ * - internal "there are more path compnents" flag
|
|
+ */
|
|
+#define LOOKUP_FOLLOW (1)
|
|
+#define LOOKUP_DIRECTORY (2)
|
|
+#define LOOKUP_CONTINUE (4)
|
|
+#define LOOKUP_POSITIVE (8)
|
|
+#define LOOKUP_PARENT (16)
|
|
+#define LOOKUP_NOALT (32)
|
|
+/*
|
|
+ * Type of the last component on LOOKUP_PARENT
|
|
+ */
|
|
+enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND};
|
|
+
|
|
+/*
|
|
+ * "descriptor" for what we're up to with a read for sendfile().
|
|
+ * This allows us to use the same read code yet
|
|
+ * have multiple different users of the data that
|
|
+ * we read from a file.
|
|
+ *
|
|
+ * The simplest case just copies the data to user
|
|
+ * mode.
|
|
+ */
|
|
+typedef struct {
|
|
+ size_t written;
|
|
+ size_t count;
|
|
+ char * buf;
|
|
+ int error;
|
|
+} read_descriptor_t;
|
|
+
|
|
+typedef int (*read_actor_t)(read_descriptor_t *, struct page *, unsigned long, unsigned long);
|
|
+
|
|
+/* needed for stackable file system support */
|
|
+extern loff_t default_llseek(struct file *file, loff_t offset, int origin);
|
|
+
|
|
+extern int FASTCALL(__user_walk(const char *, unsigned, struct nameidata *));
|
|
+extern int FASTCALL(path_init(const char *, unsigned, struct nameidata *));
|
|
+extern int FASTCALL(path_walk(const char *, struct nameidata *));
|
|
+extern int FASTCALL(path_lookup(const char *, unsigned, struct nameidata *));
|
|
+extern int FASTCALL(link_path_walk(const char *, struct nameidata *));
|
|
+extern void path_release(struct nameidata *);
|
|
+extern int follow_down(struct vfsmount **, struct dentry **);
|
|
+extern int follow_up(struct vfsmount **, struct dentry **);
|
|
+extern struct dentry * lookup_one_len(const char *, struct dentry *, int);
|
|
+extern struct dentry * lookup_hash(struct qstr *, struct dentry *);
|
|
+#define user_path_walk(name,nd) __user_walk(name, LOOKUP_FOLLOW|LOOKUP_POSITIVE, nd)
|
|
+#define user_path_walk_link(name,nd) __user_walk(name, LOOKUP_POSITIVE, nd)
|
|
+
|
|
+extern void inode_init_once(struct inode *);
|
|
+extern void __inode_init_once(struct inode *);
|
|
+extern void iput(struct inode *);
|
|
+extern void refile_inode(struct inode *inode);
|
|
+extern void force_delete(struct inode *);
|
|
+extern struct inode * igrab(struct inode *);
|
|
+extern struct inode * ilookup(struct super_block *, unsigned long);
|
|
+extern ino_t iunique(struct super_block *, ino_t);
|
|
+extern void unlock_new_inode(struct inode *);
|
|
+
|
|
+typedef int (*find_inode_t)(struct inode *, unsigned long, void *);
|
|
+
|
|
+extern struct inode * iget4_locked(struct super_block *, unsigned long,
|
|
+ find_inode_t, void *);
|
|
+
|
|
+static inline struct inode *iget4(struct super_block *sb, unsigned long ino,
|
|
+ find_inode_t find_actor, void *opaque)
|
|
+{
|
|
+ struct inode *inode = iget4_locked(sb, ino, find_actor, opaque);
|
|
+
|
|
+ if (inode && (inode->i_state & I_NEW)) {
|
|
+ /*
|
|
+ * reiserfs-specific kludge that is expected to go away ASAP.
|
|
+ */
|
|
+ if (sb->s_op->read_inode2)
|
|
+ sb->s_op->read_inode2(inode, opaque);
|
|
+ else
|
|
+ sb->s_op->read_inode(inode);
|
|
+ unlock_new_inode(inode);
|
|
+ }
|
|
+
|
|
+ return inode;
|
|
+}
|
|
+
|
|
+static inline struct inode *iget(struct super_block *sb, unsigned long ino)
|
|
+{
|
|
+ struct inode *inode = iget4_locked(sb, ino, NULL, NULL);
|
|
+
|
|
+ if (inode && (inode->i_state & I_NEW)) {
|
|
+ sb->s_op->read_inode(inode);
|
|
+ unlock_new_inode(inode);
|
|
+ }
|
|
+
|
|
+ return inode;
|
|
+}
|
|
+
|
|
+static inline struct inode *iget_locked(struct super_block *sb, unsigned long ino)
|
|
+{
|
|
+ return iget4_locked(sb, ino, NULL, NULL);
|
|
+}
|
|
+
|
|
+extern void clear_inode(struct inode *);
|
|
+extern struct inode *new_inode(struct super_block *sb);
|
|
+extern void remove_suid(struct inode *inode);
|
|
+
|
|
+extern void insert_inode_hash(struct inode *);
|
|
+extern void remove_inode_hash(struct inode *);
|
|
+extern struct file * get_empty_filp(void);
|
|
+extern void file_move(struct file *f, struct list_head *list);
|
|
+extern struct buffer_head * get_hash_table(kdev_t, int, int);
|
|
+extern struct buffer_head * getblk(kdev_t, int, int);
|
|
+extern void ll_rw_block(int, int, struct buffer_head * bh[]);
|
|
+extern void submit_bh(int, struct buffer_head *);
|
|
+extern int is_read_only(kdev_t);
|
|
+extern void __brelse(struct buffer_head *);
|
|
+static inline void brelse(struct buffer_head *buf)
|
|
+{
|
|
+ if (buf)
|
|
+ __brelse(buf);
|
|
+}
|
|
+extern void __bforget(struct buffer_head *);
|
|
+static inline void bforget(struct buffer_head *buf)
|
|
+{
|
|
+ if (buf)
|
|
+ __bforget(buf);
|
|
+}
|
|
+extern int set_blocksize(kdev_t, int);
|
|
+extern int sb_set_blocksize(struct super_block *, int);
|
|
+extern int sb_min_blocksize(struct super_block *, int);
|
|
+extern struct buffer_head * bread(kdev_t, int, int);
|
|
+static inline struct buffer_head * sb_bread(struct super_block *sb, int block)
|
|
+{
|
|
+ return bread(sb->s_dev, block, sb->s_blocksize);
|
|
+}
|
|
+static inline struct buffer_head * sb_getblk(struct super_block *sb, int block)
|
|
+{
|
|
+ return getblk(sb->s_dev, block, sb->s_blocksize);
|
|
+}
|
|
+static inline struct buffer_head * sb_get_hash_table(struct super_block *sb, int block)
|
|
+{
|
|
+ return get_hash_table(sb->s_dev, block, sb->s_blocksize);
|
|
+}
|
|
+extern void wakeup_bdflush(void);
|
|
+extern void wakeup_kupdate(void);
|
|
+extern void put_unused_buffer_head(struct buffer_head * bh);
|
|
+extern struct buffer_head * get_unused_buffer_head(int async);
|
|
+extern int block_dump;
|
|
+
|
|
+extern int brw_page(int, struct page *, kdev_t, int [], int);
|
|
+
|
|
+typedef int (get_block_t)(struct inode*,long,struct buffer_head*,int);
|
|
+
|
|
+/* Generic buffer handling for block filesystems.. */
|
|
+extern int try_to_release_page(struct page * page, int gfp_mask);
|
|
+extern int discard_bh_page(struct page *, unsigned long, int);
|
|
+#define block_flushpage(page, offset) discard_bh_page(page, offset, 1)
|
|
+#define block_invalidate_page(page) discard_bh_page(page, 0, 0)
|
|
+extern int block_symlink(struct inode *, const char *, int);
|
|
+extern int block_write_full_page(struct page*, get_block_t*);
|
|
+extern int block_read_full_page(struct page*, get_block_t*);
|
|
+extern int block_prepare_write(struct page*, unsigned, unsigned, get_block_t*);
|
|
+extern int cont_prepare_write(struct page*, unsigned, unsigned, get_block_t*,
|
|
+ unsigned long *);
|
|
+extern int generic_cont_expand(struct inode *inode, loff_t size) ;
|
|
+extern int block_commit_write(struct page *page, unsigned from, unsigned to);
|
|
+extern int block_sync_page(struct page *);
|
|
+
|
|
+int generic_block_bmap(struct address_space *, long, get_block_t *);
|
|
+int generic_commit_write(struct file *, struct page *, unsigned, unsigned);
|
|
+int block_truncate_page(struct address_space *, loff_t, get_block_t *);
|
|
+extern int generic_direct_IO(int, struct inode *, struct kiobuf *, unsigned long, int, get_block_t *);
|
|
+extern int waitfor_one_page(struct page *);
|
|
+extern int writeout_one_page(struct page *);
|
|
+
|
|
+extern int generic_file_mmap(struct file *, struct vm_area_struct *);
|
|
+extern int file_read_actor(read_descriptor_t * desc, struct page *page, unsigned long offset, unsigned long size);
|
|
+extern ssize_t generic_file_read(struct file *, char *, size_t, loff_t *);
|
|
+extern inline ssize_t do_generic_direct_read(struct file *, char *, size_t, loff_t *);
|
|
+extern int precheck_file_write(struct file *, struct inode *, size_t *, loff_t *);
|
|
+extern ssize_t generic_file_write(struct file *, const char *, size_t, loff_t *);
|
|
+extern void do_generic_file_read(struct file *, loff_t *, read_descriptor_t *, read_actor_t);
|
|
+extern ssize_t do_generic_file_write(struct file *, const char *, size_t, loff_t *);
|
|
+extern ssize_t do_generic_direct_write(struct file *, const char *, size_t, loff_t *);
|
|
+extern loff_t no_llseek(struct file *file, loff_t offset, int origin);
|
|
+extern loff_t generic_file_llseek(struct file *file, loff_t offset, int origin);
|
|
+extern ssize_t generic_read_dir(struct file *, char *, size_t, loff_t *);
|
|
+extern int generic_file_open(struct inode * inode, struct file * filp);
|
|
+
|
|
+extern struct file_operations generic_ro_fops;
|
|
+
|
|
+extern int vfs_readlink(struct dentry *, char *, int, const char *);
|
|
+extern int vfs_follow_link(struct nameidata *, const char *);
|
|
+extern int page_readlink(struct dentry *, char *, int);
|
|
+extern int page_follow_link(struct dentry *, struct nameidata *);
|
|
+extern struct inode_operations page_symlink_inode_operations;
|
|
+
|
|
+extern int vfs_readdir(struct file *, filldir_t, void *);
|
|
+extern int dcache_dir_open(struct inode *, struct file *);
|
|
+extern int dcache_dir_close(struct inode *, struct file *);
|
|
+extern loff_t dcache_dir_lseek(struct file *, loff_t, int);
|
|
+extern int dcache_dir_fsync(struct file *, struct dentry *, int);
|
|
+extern int dcache_readdir(struct file *, void *, filldir_t);
|
|
+extern struct file_operations dcache_dir_ops;
|
|
+
|
|
+extern struct file_system_type *get_fs_type(const char *name);
|
|
+extern struct super_block *get_super(kdev_t);
|
|
+extern void drop_super(struct super_block *sb);
|
|
+static inline int is_mounted(kdev_t dev)
|
|
+{
|
|
+ struct super_block *sb = get_super(dev);
|
|
+ if (sb) {
|
|
+ drop_super(sb);
|
|
+ return 1;
|
|
+ }
|
|
+ return 0;
|
|
+}
|
|
+unsigned long generate_cluster(kdev_t, int b[], int);
|
|
+unsigned long generate_cluster_swab32(kdev_t, int b[], int);
|
|
+extern kdev_t ROOT_DEV;
|
|
+extern char root_device_name[];
|
|
+
|
|
+
|
|
+extern void show_buffers(void);
|
|
+
|
|
+#ifdef CONFIG_BLK_DEV_INITRD
|
|
+extern unsigned int real_root_dev;
|
|
+#endif
|
|
+
|
|
+extern ssize_t char_read(struct file *, char *, size_t, loff_t *);
|
|
+extern ssize_t block_read(struct file *, char *, size_t, loff_t *);
|
|
+extern int read_ahead[];
|
|
+
|
|
+extern ssize_t char_write(struct file *, const char *, size_t, loff_t *);
|
|
+extern ssize_t block_write(struct file *, const char *, size_t, loff_t *);
|
|
+
|
|
+extern int file_fsync(struct file *, struct dentry *, int);
|
|
+extern int generic_buffer_fdatasync(struct inode *inode, unsigned long start_idx, unsigned long end_idx);
|
|
+extern int generic_osync_inode(struct inode *, int);
|
|
+#define OSYNC_METADATA (1<<0)
|
|
+#define OSYNC_DATA (1<<1)
|
|
+#define OSYNC_INODE (1<<2)
|
|
+
|
|
+extern int inode_change_ok(struct inode *, struct iattr *);
|
|
+extern int inode_setattr(struct inode *, struct iattr *);
|
|
+
|
|
+/* kernel/fork.c */
|
|
+extern int unshare_files(void);
|
|
+
|
|
+/*
|
|
+ * Common dentry functions for inclusion in the VFS
|
|
+ * or in other stackable file systems. Some of these
|
|
+ * functions were in linux/fs/ C (VFS) files.
|
|
+ *
|
|
+ */
|
|
+
|
|
+/*
|
|
+ * Locking the parent is needed to:
|
|
+ * - serialize directory operations
|
|
+ * - make sure the parent doesn't change from
|
|
+ * under us in the middle of an operation.
|
|
+ *
|
|
+ * NOTE! Right now we'd rather use a "struct inode"
|
|
+ * for this, but as I expect things to move toward
|
|
+ * using dentries instead for most things it is
|
|
+ * probably better to start with the conceptually
|
|
+ * better interface of relying on a path of dentries.
|
|
+ */
|
|
+static inline struct dentry *lock_parent(struct dentry *dentry)
|
|
+{
|
|
+ struct dentry *dir = dget(dentry->d_parent);
|
|
+
|
|
+ down(&dir->d_inode->i_sem);
|
|
+ return dir;
|
|
+}
|
|
+
|
|
+static inline struct dentry *get_parent(struct dentry *dentry)
|
|
+{
|
|
+ return dget(dentry->d_parent);
|
|
+}
|
|
+
|
|
+static inline void unlock_dir(struct dentry *dir)
|
|
+{
|
|
+ up(&dir->d_inode->i_sem);
|
|
+ dput(dir);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * Whee.. Deadlock country. Happily there are only two VFS
|
|
+ * operations that does this..
|
|
+ */
|
|
+static inline void double_down(struct semaphore *s1, struct semaphore *s2)
|
|
+{
|
|
+ if (s1 != s2) {
|
|
+ if ((unsigned long) s1 < (unsigned long) s2) {
|
|
+ struct semaphore *tmp = s2;
|
|
+ s2 = s1; s1 = tmp;
|
|
+ }
|
|
+ down(s1);
|
|
+ }
|
|
+ down(s2);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * Ewwwwwwww... _triple_ lock. We are guaranteed that the 3rd argument is
|
|
+ * not equal to 1st and not equal to 2nd - the first case (target is parent of
|
|
+ * source) would be already caught, the second is plain impossible (target is
|
|
+ * its own parent and that case would be caught even earlier). Very messy.
|
|
+ * I _think_ that it works, but no warranties - please, look it through.
|
|
+ * Pox on bloody lusers who mandated overwriting rename() for directories...
|
|
+ */
|
|
+
|
|
+static inline void triple_down(struct semaphore *s1,
|
|
+ struct semaphore *s2,
|
|
+ struct semaphore *s3)
|
|
+{
|
|
+ if (s1 != s2) {
|
|
+ if ((unsigned long) s1 < (unsigned long) s2) {
|
|
+ if ((unsigned long) s1 < (unsigned long) s3) {
|
|
+ struct semaphore *tmp = s3;
|
|
+ s3 = s1; s1 = tmp;
|
|
+ }
|
|
+ if ((unsigned long) s1 < (unsigned long) s2) {
|
|
+ struct semaphore *tmp = s2;
|
|
+ s2 = s1; s1 = tmp;
|
|
+ }
|
|
+ } else {
|
|
+ if ((unsigned long) s1 < (unsigned long) s3) {
|
|
+ struct semaphore *tmp = s3;
|
|
+ s3 = s1; s1 = tmp;
|
|
+ }
|
|
+ if ((unsigned long) s2 < (unsigned long) s3) {
|
|
+ struct semaphore *tmp = s3;
|
|
+ s3 = s2; s2 = tmp;
|
|
+ }
|
|
+ }
|
|
+ down(s1);
|
|
+ } else if ((unsigned long) s2 < (unsigned long) s3) {
|
|
+ struct semaphore *tmp = s3;
|
|
+ s3 = s2; s2 = tmp;
|
|
+ }
|
|
+ down(s2);
|
|
+ down(s3);
|
|
+}
|
|
+
|
|
+static inline void double_up(struct semaphore *s1, struct semaphore *s2)
|
|
+{
|
|
+ up(s1);
|
|
+ if (s1 != s2)
|
|
+ up(s2);
|
|
+}
|
|
+
|
|
+static inline void triple_up(struct semaphore *s1,
|
|
+ struct semaphore *s2,
|
|
+ struct semaphore *s3)
|
|
+{
|
|
+ up(s1);
|
|
+ if (s1 != s2)
|
|
+ up(s2);
|
|
+ up(s3);
|
|
+}
|
|
+
|
|
+static inline void double_lock(struct dentry *d1, struct dentry *d2)
|
|
+{
|
|
+ double_down(&d1->d_inode->i_sem, &d2->d_inode->i_sem);
|
|
+}
|
|
+
|
|
+static inline void double_unlock(struct dentry *d1, struct dentry *d2)
|
|
+{
|
|
+ double_up(&d1->d_inode->i_sem,&d2->d_inode->i_sem);
|
|
+ dput(d1);
|
|
+ dput(d2);
|
|
+}
|
|
+
|
|
+#endif /* __KERNEL__ */
|
|
+
|
|
+#endif /* _LINUX_FS_H */
|
|
--- ./linux/genhd.h 1970-01-01 00:00:00.000000000 +0000
|
|
+++ ./linux/genhd.h 2004-08-20 03:16:52.152495040 +0000
|
|
@@ -0,0 +1,318 @@
|
|
+#ifndef _LINUX_GENHD_H
|
|
+#define _LINUX_GENHD_H
|
|
+
|
|
+/*
|
|
+ * genhd.h Copyright (C) 1992 Drew Eckhardt
|
|
+ * Generic hard disk header file by
|
|
+ * Drew Eckhardt
|
|
+ *
|
|
+ * <drew@colorado.edu>
|
|
+ */
|
|
+
|
|
+#include <linux/config.h>
|
|
+#include <linux/types.h>
|
|
+#include <linux/major.h>
|
|
+
|
|
+enum {
|
|
+/* These three have identical behaviour; use the second one if DOS fdisk gets
|
|
+ confused about extended/logical partitions starting past cylinder 1023. */
|
|
+ DOS_EXTENDED_PARTITION = 5,
|
|
+ LINUX_EXTENDED_PARTITION = 0x85,
|
|
+ WIN98_EXTENDED_PARTITION = 0x0f,
|
|
+
|
|
+ LINUX_SWAP_PARTITION = 0x82,
|
|
+ LINUX_RAID_PARTITION = 0xfd, /* autodetect RAID partition */
|
|
+
|
|
+ SOLARIS_X86_PARTITION = LINUX_SWAP_PARTITION,
|
|
+
|
|
+ DM6_PARTITION = 0x54, /* has DDO: use xlated geom & offset */
|
|
+ EZD_PARTITION = 0x55, /* EZ-DRIVE */
|
|
+ DM6_AUX1PARTITION = 0x51, /* no DDO: use xlated geom */
|
|
+ DM6_AUX3PARTITION = 0x53, /* no DDO: use xlated geom */
|
|
+
|
|
+ FREEBSD_PARTITION = 0xa5, /* FreeBSD Partition ID */
|
|
+ OPENBSD_PARTITION = 0xa6, /* OpenBSD Partition ID */
|
|
+ NETBSD_PARTITION = 0xa9, /* NetBSD Partition ID */
|
|
+ BSDI_PARTITION = 0xb7, /* BSDI Partition ID */
|
|
+/* Ours is not to wonder why.. */
|
|
+ BSD_PARTITION = FREEBSD_PARTITION,
|
|
+ MINIX_PARTITION = 0x81, /* Minix Partition ID */
|
|
+ PLAN9_PARTITION = 0x39, /* Plan 9 Partition ID */
|
|
+ UNIXWARE_PARTITION = 0x63, /* Partition ID, same as */
|
|
+ /* GNU_HURD and SCO Unix */
|
|
+};
|
|
+
|
|
+struct partition {
|
|
+ unsigned char boot_ind; /* 0x80 - active */
|
|
+ unsigned char head; /* starting head */
|
|
+ unsigned char sector; /* starting sector */
|
|
+ unsigned char cyl; /* starting cylinder */
|
|
+ unsigned char sys_ind; /* What partition type */
|
|
+ unsigned char end_head; /* end head */
|
|
+ unsigned char end_sector; /* end sector */
|
|
+ unsigned char end_cyl; /* end cylinder */
|
|
+ unsigned int start_sect; /* starting sector counting from 0 */
|
|
+ unsigned int nr_sects; /* nr of sectors in partition */
|
|
+} __attribute__((packed));
|
|
+
|
|
+#ifdef __KERNEL__
|
|
+# include <linux/devfs_fs_kernel.h>
|
|
+
|
|
+struct hd_struct {
|
|
+ unsigned long start_sect;
|
|
+ unsigned long nr_sects;
|
|
+ devfs_handle_t de; /* primary (master) devfs entry */
|
|
+#ifdef CONFIG_DEVFS_FS
|
|
+ int number;
|
|
+#endif /* CONFIG_DEVFS_FS */
|
|
+#ifdef CONFIG_BLK_STATS
|
|
+ /* Performance stats: */
|
|
+ unsigned int ios_in_flight;
|
|
+ unsigned int io_ticks;
|
|
+ unsigned int last_idle_time;
|
|
+ unsigned int last_queue_change;
|
|
+ unsigned int aveq;
|
|
+
|
|
+ unsigned int rd_ios;
|
|
+ unsigned int rd_merges;
|
|
+ unsigned int rd_ticks;
|
|
+ unsigned int rd_sectors;
|
|
+ unsigned int wr_ios;
|
|
+ unsigned int wr_merges;
|
|
+ unsigned int wr_ticks;
|
|
+ unsigned int wr_sectors;
|
|
+#endif /* CONFIG_BLK_STATS */
|
|
+};
|
|
+
|
|
+#define GENHD_FL_REMOVABLE 1
|
|
+
|
|
+struct gendisk {
|
|
+ int major; /* major number of driver */
|
|
+ const char *major_name; /* name of major driver */
|
|
+ int minor_shift; /* number of times minor is shifted to
|
|
+ get real minor */
|
|
+ int max_p; /* maximum partitions per device */
|
|
+
|
|
+ struct hd_struct *part; /* [indexed by minor] */
|
|
+ int *sizes; /* [idem], device size in blocks */
|
|
+ int nr_real; /* number of real devices */
|
|
+
|
|
+ void *real_devices; /* internal use */
|
|
+ struct gendisk *next;
|
|
+ struct block_device_operations *fops;
|
|
+
|
|
+ devfs_handle_t *de_arr; /* one per physical disc */
|
|
+ char *flags; /* one per physical disc */
|
|
+};
|
|
+
|
|
+/* drivers/block/genhd.c */
|
|
+extern struct gendisk *gendisk_head;
|
|
+
|
|
+extern void add_gendisk(struct gendisk *gp);
|
|
+extern void del_gendisk(struct gendisk *gp);
|
|
+extern struct gendisk *get_gendisk(kdev_t dev);
|
|
+extern int walk_gendisk(int (*walk)(struct gendisk *, void *), void *);
|
|
+
|
|
+#endif /* __KERNEL__ */
|
|
+
|
|
+#ifdef CONFIG_SOLARIS_X86_PARTITION
|
|
+
|
|
+#define SOLARIS_X86_NUMSLICE 8
|
|
+#define SOLARIS_X86_VTOC_SANE (0x600DDEEEUL)
|
|
+
|
|
+struct solaris_x86_slice {
|
|
+ ushort s_tag; /* ID tag of partition */
|
|
+ ushort s_flag; /* permission flags */
|
|
+ unsigned int s_start; /* start sector no of partition */
|
|
+ unsigned int s_size; /* # of blocks in partition */
|
|
+};
|
|
+
|
|
+struct solaris_x86_vtoc {
|
|
+ unsigned int v_bootinfo[3]; /* info needed by mboot (unsupported) */
|
|
+ unsigned int v_sanity; /* to verify vtoc sanity */
|
|
+ unsigned int v_version; /* layout version */
|
|
+ char v_volume[8]; /* volume name */
|
|
+ ushort v_sectorsz; /* sector size in bytes */
|
|
+ ushort v_nparts; /* number of partitions */
|
|
+ unsigned int v_reserved[10]; /* free space */
|
|
+ struct solaris_x86_slice
|
|
+ v_slice[SOLARIS_X86_NUMSLICE]; /* slice headers */
|
|
+ unsigned int timestamp[SOLARIS_X86_NUMSLICE]; /* timestamp (unsupported) */
|
|
+ char v_asciilabel[128]; /* for compatibility */
|
|
+};
|
|
+
|
|
+#endif /* CONFIG_SOLARIS_X86_PARTITION */
|
|
+
|
|
+#ifdef CONFIG_BSD_DISKLABEL
|
|
+/*
|
|
+ * BSD disklabel support by Yossi Gottlieb <yogo@math.tau.ac.il>
|
|
+ * updated by Marc Espie <Marc.Espie@openbsd.org>
|
|
+ */
|
|
+
|
|
+/* check against BSD src/sys/sys/disklabel.h for consistency */
|
|
+
|
|
+#define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */
|
|
+#define BSD_MAXPARTITIONS 8
|
|
+#define OPENBSD_MAXPARTITIONS 16
|
|
+#define BSD_FS_UNUSED 0 /* disklabel unused partition entry ID */
|
|
+struct bsd_disklabel {
|
|
+ __u32 d_magic; /* the magic number */
|
|
+ __s16 d_type; /* drive type */
|
|
+ __s16 d_subtype; /* controller/d_type specific */
|
|
+ char d_typename[16]; /* type name, e.g. "eagle" */
|
|
+ char d_packname[16]; /* pack identifier */
|
|
+ __u32 d_secsize; /* # of bytes per sector */
|
|
+ __u32 d_nsectors; /* # of data sectors per track */
|
|
+ __u32 d_ntracks; /* # of tracks per cylinder */
|
|
+ __u32 d_ncylinders; /* # of data cylinders per unit */
|
|
+ __u32 d_secpercyl; /* # of data sectors per cylinder */
|
|
+ __u32 d_secperunit; /* # of data sectors per unit */
|
|
+ __u16 d_sparespertrack; /* # of spare sectors per track */
|
|
+ __u16 d_sparespercyl; /* # of spare sectors per cylinder */
|
|
+ __u32 d_acylinders; /* # of alt. cylinders per unit */
|
|
+ __u16 d_rpm; /* rotational speed */
|
|
+ __u16 d_interleave; /* hardware sector interleave */
|
|
+ __u16 d_trackskew; /* sector 0 skew, per track */
|
|
+ __u16 d_cylskew; /* sector 0 skew, per cylinder */
|
|
+ __u32 d_headswitch; /* head switch time, usec */
|
|
+ __u32 d_trkseek; /* track-to-track seek, usec */
|
|
+ __u32 d_flags; /* generic flags */
|
|
+#define NDDATA 5
|
|
+ __u32 d_drivedata[NDDATA]; /* drive-type specific information */
|
|
+#define NSPARE 5
|
|
+ __u32 d_spare[NSPARE]; /* reserved for future use */
|
|
+ __u32 d_magic2; /* the magic number (again) */
|
|
+ __u16 d_checksum; /* xor of data incl. partitions */
|
|
+
|
|
+ /* filesystem and partition information: */
|
|
+ __u16 d_npartitions; /* number of partitions in following */
|
|
+ __u32 d_bbsize; /* size of boot area at sn0, bytes */
|
|
+ __u32 d_sbsize; /* max size of fs superblock, bytes */
|
|
+ struct bsd_partition { /* the partition table */
|
|
+ __u32 p_size; /* number of sectors in partition */
|
|
+ __u32 p_offset; /* starting sector */
|
|
+ __u32 p_fsize; /* filesystem basic fragment size */
|
|
+ __u8 p_fstype; /* filesystem type, see below */
|
|
+ __u8 p_frag; /* filesystem fragments per block */
|
|
+ __u16 p_cpg; /* filesystem cylinders per group */
|
|
+ } d_partitions[BSD_MAXPARTITIONS]; /* actually may be more */
|
|
+};
|
|
+
|
|
+#endif /* CONFIG_BSD_DISKLABEL */
|
|
+
|
|
+#ifdef CONFIG_UNIXWARE_DISKLABEL
|
|
+/*
|
|
+ * Unixware slices support by Andrzej Krzysztofowicz <ankry@mif.pg.gda.pl>
|
|
+ * and Krzysztof G. Baranowski <kgb@knm.org.pl>
|
|
+ */
|
|
+
|
|
+#define UNIXWARE_DISKMAGIC (0xCA5E600DUL) /* The disk magic number */
|
|
+#define UNIXWARE_DISKMAGIC2 (0x600DDEEEUL) /* The slice table magic nr */
|
|
+#define UNIXWARE_NUMSLICE 16
|
|
+#define UNIXWARE_FS_UNUSED 0 /* Unused slice entry ID */
|
|
+
|
|
+struct unixware_slice {
|
|
+ __u16 s_label; /* label */
|
|
+ __u16 s_flags; /* permission flags */
|
|
+ __u32 start_sect; /* starting sector */
|
|
+ __u32 nr_sects; /* number of sectors in slice */
|
|
+};
|
|
+
|
|
+struct unixware_disklabel {
|
|
+ __u32 d_type; /* drive type */
|
|
+ __u32 d_magic; /* the magic number */
|
|
+ __u32 d_version; /* version number */
|
|
+ char d_serial[12]; /* serial number of the device */
|
|
+ __u32 d_ncylinders; /* # of data cylinders per device */
|
|
+ __u32 d_ntracks; /* # of tracks per cylinder */
|
|
+ __u32 d_nsectors; /* # of data sectors per track */
|
|
+ __u32 d_secsize; /* # of bytes per sector */
|
|
+ __u32 d_part_start; /* # of first sector of this partition */
|
|
+ __u32 d_unknown1[12]; /* ? */
|
|
+ __u32 d_alt_tbl; /* byte offset of alternate table */
|
|
+ __u32 d_alt_len; /* byte length of alternate table */
|
|
+ __u32 d_phys_cyl; /* # of physical cylinders per device */
|
|
+ __u32 d_phys_trk; /* # of physical tracks per cylinder */
|
|
+ __u32 d_phys_sec; /* # of physical sectors per track */
|
|
+ __u32 d_phys_bytes; /* # of physical bytes per sector */
|
|
+ __u32 d_unknown2; /* ? */
|
|
+ __u32 d_unknown3; /* ? */
|
|
+ __u32 d_pad[8]; /* pad */
|
|
+
|
|
+ struct unixware_vtoc {
|
|
+ __u32 v_magic; /* the magic number */
|
|
+ __u32 v_version; /* version number */
|
|
+ char v_name[8]; /* volume name */
|
|
+ __u16 v_nslices; /* # of slices */
|
|
+ __u16 v_unknown1; /* ? */
|
|
+ __u32 v_reserved[10]; /* reserved */
|
|
+ struct unixware_slice
|
|
+ v_slice[UNIXWARE_NUMSLICE]; /* slice headers */
|
|
+ } vtoc;
|
|
+
|
|
+}; /* 408 */
|
|
+
|
|
+#endif /* CONFIG_UNIXWARE_DISKLABEL */
|
|
+
|
|
+#ifdef CONFIG_MINIX_SUBPARTITION
|
|
+# define MINIX_NR_SUBPARTITIONS 4
|
|
+#endif /* CONFIG_MINIX_SUBPARTITION */
|
|
+
|
|
+#ifdef __KERNEL__
|
|
+
|
|
+char *disk_name (struct gendisk *hd, int minor, char *buf);
|
|
+
|
|
+/*
|
|
+ * Account for the completion of an IO request (used by drivers which
|
|
+ * bypass the normal end_request processing)
|
|
+ */
|
|
+struct request;
|
|
+
|
|
+#ifdef CONFIG_BLK_STATS
|
|
+extern void disk_round_stats(struct hd_struct *hd);
|
|
+extern void req_new_io(struct request *req, int merge, int sectors);
|
|
+extern void req_merged_io(struct request *req);
|
|
+extern void req_finished_io(struct request *req);
|
|
+#else
|
|
+static inline void req_new_io(struct request *req, int merge, int sectors) { }
|
|
+static inline void req_merged_io(struct request *req) { }
|
|
+static inline void req_finished_io(struct request *req) { }
|
|
+#endif /* CONFIG_BLK_STATS */
|
|
+
|
|
+extern void devfs_register_partitions (struct gendisk *dev, int minor,
|
|
+ int unregister);
|
|
+
|
|
+
|
|
+
|
|
+/*
|
|
+ * FIXME: this should use genhd->minor_shift, but that is slow to look up.
|
|
+ */
|
|
+static inline unsigned int disk_index (kdev_t dev)
|
|
+{
|
|
+ int major = MAJOR(dev);
|
|
+ int minor = MINOR(dev);
|
|
+ unsigned int index;
|
|
+
|
|
+ switch (major) {
|
|
+ case DAC960_MAJOR+0:
|
|
+ index = (minor & 0x00f8) >> 3;
|
|
+ break;
|
|
+ case SCSI_DISK0_MAJOR:
|
|
+ index = (minor & 0x00f0) >> 4;
|
|
+ break;
|
|
+ case IDE0_MAJOR: /* same as HD_MAJOR */
|
|
+ case XT_DISK_MAJOR:
|
|
+ index = (minor & 0x0040) >> 6;
|
|
+ break;
|
|
+ case IDE1_MAJOR:
|
|
+ index = ((minor & 0x0040) >> 6) + 2;
|
|
+ break;
|
|
+ default:
|
|
+ return 0;
|
|
+ }
|
|
+ return index;
|
|
+}
|
|
+
|
|
+#endif
|
|
+
|
|
+#endif
|
|
--- ./linux/hdreg.h 1970-01-01 00:00:00.000000000 +0000
|
|
+++ ./linux/hdreg.h 2004-08-20 03:17:00.838174616 +0000
|
|
@@ -0,0 +1,746 @@
|
|
+#ifndef _LINUX_HDREG_H
|
|
+#define _LINUX_HDREG_H
|
|
+
|
|
+/*
|
|
+ * This file contains some defines for the AT-hd-controller.
|
|
+ * Various sources.
|
|
+ */
|
|
+
|
|
+#define HD_IRQ 14 /* the standard disk interrupt */
|
|
+
|
|
+/* ide.c has its own port definitions in "ide.h" */
|
|
+
|
|
+/* Hd controller regs. Ref: IBM AT Bios-listing */
|
|
+#define HD_DATA 0x1f0 /* _CTL when writing */
|
|
+#define HD_ERROR 0x1f1 /* see err-bits */
|
|
+#define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */
|
|
+#define HD_SECTOR 0x1f3 /* starting sector */
|
|
+#define HD_LCYL 0x1f4 /* starting cylinder */
|
|
+#define HD_HCYL 0x1f5 /* high byte of starting cyl */
|
|
+#define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */
|
|
+#define HD_STATUS 0x1f7 /* see status-bits */
|
|
+#define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */
|
|
+#define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */
|
|
+#define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */
|
|
+
|
|
+#define HD_CMD 0x3f6 /* used for resets */
|
|
+#define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */
|
|
+
|
|
+/* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */
|
|
+
|
|
+/* Bits of HD_STATUS */
|
|
+#define ERR_STAT 0x01
|
|
+#define INDEX_STAT 0x02
|
|
+#define ECC_STAT 0x04 /* Corrected error */
|
|
+#define DRQ_STAT 0x08
|
|
+#define SEEK_STAT 0x10
|
|
+#define SRV_STAT 0x10
|
|
+#define WRERR_STAT 0x20
|
|
+#define READY_STAT 0x40
|
|
+#define BUSY_STAT 0x80
|
|
+
|
|
+/* Bits for HD_ERROR */
|
|
+#define MARK_ERR 0x01 /* Bad address mark */
|
|
+#define TRK0_ERR 0x02 /* couldn't find track 0 */
|
|
+#define ABRT_ERR 0x04 /* Command aborted */
|
|
+#define MCR_ERR 0x08 /* media change request */
|
|
+#define ID_ERR 0x10 /* ID field not found */
|
|
+#define MC_ERR 0x20 /* media changed */
|
|
+#define ECC_ERR 0x40 /* Uncorrectable ECC error */
|
|
+#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
|
|
+#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
|
|
+
|
|
+/* Bits of HD_NSECTOR */
|
|
+#define CD 0x01
|
|
+#define IO 0x02
|
|
+#define REL 0x04
|
|
+#define TAG_MASK 0xf8
|
|
+
|
|
+
|
|
+/*
|
|
+ * Command Header sizes for IOCTL commands
|
|
+ * HDIO_DRIVE_CMD, HDIO_DRIVE_TASK, and HDIO_DRIVE_TASKFILE
|
|
+ */
|
|
+
|
|
+#if 0
|
|
+#include <asm/hdreg.h>
|
|
+typedef ide_ioreg_t task_ioreg_t;
|
|
+#else
|
|
+typedef unsigned char task_ioreg_t;
|
|
+#endif
|
|
+
|
|
+typedef unsigned long sata_ioreg_t;
|
|
+
|
|
+#define HDIO_DRIVE_CMD_HDR_SIZE 4*sizeof(task_ioreg_t)
|
|
+#define HDIO_DRIVE_TASK_HDR_SIZE 8*sizeof(task_ioreg_t)
|
|
+#define HDIO_DRIVE_HOB_HDR_SIZE 8*sizeof(task_ioreg_t)
|
|
+
|
|
+#define IDE_DRIVE_TASK_INVALID -1
|
|
+#define IDE_DRIVE_TASK_NO_DATA 0
|
|
+#define IDE_DRIVE_TASK_SET_XFER 1
|
|
+
|
|
+#define IDE_DRIVE_TASK_IN 2
|
|
+
|
|
+#define IDE_DRIVE_TASK_OUT 3
|
|
+#define IDE_DRIVE_TASK_RAW_WRITE 4
|
|
+
|
|
+struct hd_drive_cmd_hdr {
|
|
+ task_ioreg_t command;
|
|
+ task_ioreg_t sector_number;
|
|
+ task_ioreg_t feature;
|
|
+ task_ioreg_t sector_count;
|
|
+};
|
|
+
|
|
+typedef struct hd_drive_task_hdr {
|
|
+ task_ioreg_t data;
|
|
+ task_ioreg_t feature;
|
|
+ task_ioreg_t sector_count;
|
|
+ task_ioreg_t sector_number;
|
|
+ task_ioreg_t low_cylinder;
|
|
+ task_ioreg_t high_cylinder;
|
|
+ task_ioreg_t device_head;
|
|
+ task_ioreg_t command;
|
|
+} task_struct_t;
|
|
+
|
|
+typedef struct hd_drive_hob_hdr {
|
|
+ task_ioreg_t data;
|
|
+ task_ioreg_t feature;
|
|
+ task_ioreg_t sector_count;
|
|
+ task_ioreg_t sector_number;
|
|
+ task_ioreg_t low_cylinder;
|
|
+ task_ioreg_t high_cylinder;
|
|
+ task_ioreg_t device_head;
|
|
+ task_ioreg_t control;
|
|
+} hob_struct_t;
|
|
+
|
|
+typedef union ide_reg_valid_s {
|
|
+ unsigned all : 16;
|
|
+ struct {
|
|
+ unsigned data : 1;
|
|
+ unsigned error_feature : 1;
|
|
+ unsigned sector : 1;
|
|
+ unsigned nsector : 1;
|
|
+ unsigned lcyl : 1;
|
|
+ unsigned hcyl : 1;
|
|
+ unsigned select : 1;
|
|
+ unsigned status_command : 1;
|
|
+
|
|
+ unsigned data_hob : 1;
|
|
+ unsigned error_feature_hob : 1;
|
|
+ unsigned sector_hob : 1;
|
|
+ unsigned nsector_hob : 1;
|
|
+ unsigned lcyl_hob : 1;
|
|
+ unsigned hcyl_hob : 1;
|
|
+ unsigned select_hob : 1;
|
|
+ unsigned control_hob : 1;
|
|
+ } b;
|
|
+} ide_reg_valid_t;
|
|
+
|
|
+/*
|
|
+ * Define standard taskfile in/out register
|
|
+ */
|
|
+#define IDE_TASKFILE_STD_OUT_FLAGS 0xFE
|
|
+#define IDE_TASKFILE_STD_IN_FLAGS 0xFE
|
|
+#define IDE_HOB_STD_OUT_FLAGS 0x3C
|
|
+#define IDE_HOB_STD_IN_FLAGS 0x3C
|
|
+
|
|
+typedef struct ide_task_request_s {
|
|
+ task_ioreg_t io_ports[8];
|
|
+ task_ioreg_t hob_ports[8];
|
|
+ ide_reg_valid_t out_flags;
|
|
+ ide_reg_valid_t in_flags;
|
|
+ int data_phase;
|
|
+ int req_cmd;
|
|
+ unsigned long out_size;
|
|
+ unsigned long in_size;
|
|
+} ide_task_request_t;
|
|
+
|
|
+typedef struct ide_ioctl_request_s {
|
|
+ ide_task_request_t *task_request;
|
|
+ unsigned char *out_buffer;
|
|
+ unsigned char *in_buffer;
|
|
+} ide_ioctl_request_t;
|
|
+
|
|
+#define TASKFILE_INVALID 0x7fff
|
|
+#define TASKFILE_48 0x8000
|
|
+
|
|
+#define TASKFILE_NO_DATA 0x0000
|
|
+
|
|
+#define TASKFILE_IN 0x0001
|
|
+#define TASKFILE_MULTI_IN 0x0002
|
|
+
|
|
+#define TASKFILE_OUT 0x0004
|
|
+#define TASKFILE_MULTI_OUT 0x0008
|
|
+#define TASKFILE_IN_OUT 0x0010
|
|
+
|
|
+#define TASKFILE_IN_DMA 0x0020
|
|
+#define TASKFILE_OUT_DMA 0x0040
|
|
+#define TASKFILE_IN_DMAQ 0x0080
|
|
+#define TASKFILE_OUT_DMAQ 0x0100
|
|
+
|
|
+#define TASKFILE_P_IN 0x0200
|
|
+#define TASKFILE_P_OUT 0x0400
|
|
+#define TASKFILE_P_IN_DMA 0x0800
|
|
+#define TASKFILE_P_OUT_DMA 0x1000
|
|
+#define TASKFILE_P_IN_DMAQ 0x2000
|
|
+#define TASKFILE_P_OUT_DMAQ 0x4000
|
|
+
|
|
+/* ATA/ATAPI Commands pre T13 Spec */
|
|
+#define WIN_NOP 0x00
|
|
+/*
|
|
+ * 0x01->0x02 Reserved
|
|
+ */
|
|
+#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
|
|
+/*
|
|
+ * 0x04->0x07 Reserved
|
|
+ */
|
|
+#define WIN_SRST 0x08 /* ATAPI soft reset command */
|
|
+#define WIN_DEVICE_RESET 0x08
|
|
+/*
|
|
+ * 0x09->0x0F Reserved
|
|
+ */
|
|
+#define WIN_RECAL 0x10
|
|
+#define WIN_RESTORE WIN_RECAL
|
|
+/*
|
|
+ * 0x10->0x1F Reserved
|
|
+ */
|
|
+#define WIN_READ 0x20 /* 28-Bit */
|
|
+#define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
|
|
+#define WIN_READ_LONG 0x22 /* 28-Bit */
|
|
+#define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
|
|
+#define WIN_READ_EXT 0x24 /* 48-Bit */
|
|
+#define WIN_READDMA_EXT 0x25 /* 48-Bit */
|
|
+#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
|
|
+#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
|
|
+/*
|
|
+ * 0x28
|
|
+ */
|
|
+#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
|
|
+/*
|
|
+ * 0x2A->0x2F Reserved
|
|
+ */
|
|
+#define WIN_WRITE 0x30 /* 28-Bit */
|
|
+#define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
|
|
+#define WIN_WRITE_LONG 0x32 /* 28-Bit */
|
|
+#define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
|
|
+#define WIN_WRITE_EXT 0x34 /* 48-Bit */
|
|
+#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
|
|
+#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
|
|
+#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
|
|
+#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
|
|
+#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
|
|
+/*
|
|
+ * 0x3A->0x3B Reserved
|
|
+ */
|
|
+#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
|
|
+/*
|
|
+ * 0x3D->0x3F Reserved
|
|
+ */
|
|
+#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
|
|
+#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
|
|
+#define WIN_VERIFY_EXT 0x42 /* 48-Bit */
|
|
+/*
|
|
+ * 0x43->0x4F Reserved
|
|
+ */
|
|
+#define WIN_FORMAT 0x50
|
|
+/*
|
|
+ * 0x51->0x5F Reserved
|
|
+ */
|
|
+#define WIN_INIT 0x60
|
|
+/*
|
|
+ * 0x61->0x5F Reserved
|
|
+ */
|
|
+#define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
|
|
+#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
|
|
+#define WIN_DIAGNOSE 0x90
|
|
+#define WIN_SPECIFY 0x91 /* set drive geometry translation */
|
|
+#define WIN_DOWNLOAD_MICROCODE 0x92
|
|
+#define WIN_STANDBYNOW2 0x94
|
|
+#define WIN_STANDBY2 0x96
|
|
+#define WIN_SETIDLE2 0x97
|
|
+#define WIN_CHECKPOWERMODE2 0x98
|
|
+#define WIN_SLEEPNOW2 0x99
|
|
+/*
|
|
+ * 0x9A VENDOR
|
|
+ */
|
|
+#define WIN_PACKETCMD 0xA0 /* Send a packet command. */
|
|
+#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
|
|
+#define WIN_QUEUED_SERVICE 0xA2
|
|
+#define WIN_SMART 0xB0 /* self-monitoring and reporting */
|
|
+#define CFA_ERASE_SECTORS 0xC0
|
|
+#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
|
|
+#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
|
|
+#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
|
|
+#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
|
|
+#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
|
|
+#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
|
|
+#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
|
|
+#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
|
|
+#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
|
|
+#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
|
|
+#define WIN_GETMEDIASTATUS 0xDA
|
|
+#define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
|
|
+#define WIN_POSTBOOT 0xDC
|
|
+#define WIN_PREBOOT 0xDD
|
|
+#define WIN_DOORLOCK 0xDE /* lock door on removable drives */
|
|
+#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
|
|
+#define WIN_STANDBYNOW1 0xE0
|
|
+#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
|
|
+#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
|
|
+#define WIN_SETIDLE1 0xE3
|
|
+#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
|
|
+#define WIN_CHECKPOWERMODE1 0xE5
|
|
+#define WIN_SLEEPNOW1 0xE6
|
|
+#define WIN_FLUSH_CACHE 0xE7
|
|
+#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
|
|
+#define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
|
|
+ /* SET_FEATURES 0x22 or 0xDD */
|
|
+#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
|
|
+#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
|
|
+#define WIN_MEDIAEJECT 0xED
|
|
+#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
|
|
+#define WIN_SETFEATURES 0xEF /* set special drive features */
|
|
+#define EXABYTE_ENABLE_NEST 0xF0
|
|
+#define WIN_SECURITY_SET_PASS 0xF1
|
|
+#define WIN_SECURITY_UNLOCK 0xF2
|
|
+#define WIN_SECURITY_ERASE_PREPARE 0xF3
|
|
+#define WIN_SECURITY_ERASE_UNIT 0xF4
|
|
+#define WIN_SECURITY_FREEZE_LOCK 0xF5
|
|
+#define WIN_SECURITY_DISABLE 0xF6
|
|
+#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
|
|
+#define WIN_SET_MAX 0xF9
|
|
+#define DISABLE_SEAGATE 0xFB
|
|
+
|
|
+/* WIN_SMART sub-commands */
|
|
+
|
|
+#define SMART_READ_VALUES 0xD0
|
|
+#define SMART_READ_THRESHOLDS 0xD1
|
|
+#define SMART_AUTOSAVE 0xD2
|
|
+#define SMART_SAVE 0xD3
|
|
+#define SMART_IMMEDIATE_OFFLINE 0xD4
|
|
+#define SMART_READ_LOG_SECTOR 0xD5
|
|
+#define SMART_WRITE_LOG_SECTOR 0xD6
|
|
+#define SMART_WRITE_THRESHOLDS 0xD7
|
|
+#define SMART_ENABLE 0xD8
|
|
+#define SMART_DISABLE 0xD9
|
|
+#define SMART_STATUS 0xDA
|
|
+#define SMART_AUTO_OFFLINE 0xDB
|
|
+
|
|
+/* Password used in TF4 & TF5 executing SMART commands */
|
|
+
|
|
+#define SMART_LCYL_PASS 0x4F
|
|
+#define SMART_HCYL_PASS 0xC2
|
|
+
|
|
+/* WIN_SETFEATURES sub-commands */
|
|
+#define SETFEATURES_EN_8BIT 0x01 /* Enable 8-Bit Transfers */
|
|
+#define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */
|
|
+#define SETFEATURES_XFER 0x03 /* Set transfer mode */
|
|
+# define XFER_UDMA_7 0x47 /* 0100|0111 */
|
|
+# define XFER_UDMA_6 0x46 /* 0100|0110 */
|
|
+# define XFER_UDMA_5 0x45 /* 0100|0101 */
|
|
+# define XFER_UDMA_4 0x44 /* 0100|0100 */
|
|
+# define XFER_UDMA_3 0x43 /* 0100|0011 */
|
|
+# define XFER_UDMA_2 0x42 /* 0100|0010 */
|
|
+# define XFER_UDMA_1 0x41 /* 0100|0001 */
|
|
+# define XFER_UDMA_0 0x40 /* 0100|0000 */
|
|
+# define XFER_MW_DMA_2 0x22 /* 0010|0010 */
|
|
+# define XFER_MW_DMA_1 0x21 /* 0010|0001 */
|
|
+# define XFER_MW_DMA_0 0x20 /* 0010|0000 */
|
|
+# define XFER_SW_DMA_2 0x12 /* 0001|0010 */
|
|
+# define XFER_SW_DMA_1 0x11 /* 0001|0001 */
|
|
+# define XFER_SW_DMA_0 0x10 /* 0001|0000 */
|
|
+# define XFER_PIO_4 0x0C /* 0000|1100 */
|
|
+# define XFER_PIO_3 0x0B /* 0000|1011 */
|
|
+# define XFER_PIO_2 0x0A /* 0000|1010 */
|
|
+# define XFER_PIO_1 0x09 /* 0000|1001 */
|
|
+# define XFER_PIO_0 0x08 /* 0000|1000 */
|
|
+# define XFER_PIO_SLOW 0x00 /* 0000|0000 */
|
|
+#define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */
|
|
+#define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */
|
|
+#define SETFEATURES_EN_SAME_R 0x22 /* for a region ATA-1 */
|
|
+#define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */
|
|
+#define SETFEATURES_DIS_RETRY 0x33 /* Disable Retry */
|
|
+#define SETFEATURES_EN_AAM 0x42 /* Enable Automatic Acoustic Management */
|
|
+#define SETFEATURES_RW_LONG 0x44 /* Set Lenght of VS bytes */
|
|
+#define SETFEATURES_SET_CACHE 0x54 /* Set Cache segments to SC Reg. Val */
|
|
+#define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */
|
|
+#define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */
|
|
+#define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */
|
|
+#define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */
|
|
+#define SETFEATURES_DIS_ECC 0x77 /* Disable ECC byte count */
|
|
+#define SETFEATURES_DIS_8BIT 0x81 /* Disable 8-Bit Transfers */
|
|
+#define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */
|
|
+#define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */
|
|
+#define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */
|
|
+#define SETFEATURES_EN_ECC 0x88 /* Enable ECC byte count */
|
|
+#define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */
|
|
+#define SETFEATURES_EN_RETRY 0x99 /* Enable Retry */
|
|
+#define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */
|
|
+#define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */
|
|
+#define SETFEATURES_EN_REST 0xAC /* ATA-1 */
|
|
+#define SETFEATURES_4B_RW_LONG 0xBB /* Set Lenght of 4 bytes */
|
|
+#define SETFEATURES_DIS_AAM 0xC2 /* Disable Automatic Acoustic Management */
|
|
+#define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */
|
|
+#define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt ATAPI */
|
|
+#define SETFEATURES_EN_SAME_M 0xDD /* for a entire device ATA-1 */
|
|
+#define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt ATAPI */
|
|
+
|
|
+/* WIN_SECURITY sub-commands */
|
|
+
|
|
+#define SECURITY_SET_PASSWORD 0xBA
|
|
+#define SECURITY_UNLOCK 0xBB
|
|
+#define SECURITY_ERASE_PREPARE 0xBC
|
|
+#define SECURITY_ERASE_UNIT 0xBD
|
|
+#define SECURITY_FREEZE_LOCK 0xBE
|
|
+#define SECURITY_DISABLE_PASSWORD 0xBF
|
|
+
|
|
+struct hd_geometry {
|
|
+ unsigned char heads;
|
|
+ unsigned char sectors;
|
|
+ unsigned short cylinders;
|
|
+ unsigned long start;
|
|
+};
|
|
+
|
|
+/* BIG GEOMETRY */
|
|
+struct hd_big_geometry {
|
|
+ unsigned char heads;
|
|
+ unsigned char sectors;
|
|
+ unsigned int cylinders;
|
|
+ unsigned long start;
|
|
+};
|
|
+
|
|
+/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
|
|
+#define HDIO_GETGEO 0x0301 /* get device geometry */
|
|
+#define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */
|
|
+#define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */
|
|
+#define HDIO_GET_QDMA 0x0305 /* get use-qdma flag */
|
|
+
|
|
+#define HDIO_SET_XFER 0x0306 /* set transfer rate via proc */
|
|
+
|
|
+#define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */
|
|
+#define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */
|
|
+#define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */
|
|
+#define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */
|
|
+#define HDIO_GET_DMA 0x030b /* get use-dma flag */
|
|
+#define HDIO_GET_NICE 0x030c /* get nice flags */
|
|
+#define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */
|
|
+#define HDIO_GET_WCACHE 0x030e /* get write cache mode on|off */
|
|
+#define HDIO_GET_ACOUSTIC 0x030f /* get acoustic value */
|
|
+#define HDIO_GET_ADDRESS 0x0310 /* */
|
|
+
|
|
+#define HDIO_GET_BUSSTATE 0x031a /* get the bus state of the hwif */
|
|
+#define HDIO_TRISTATE_HWIF 0x031b /* execute a channel tristate */
|
|
+#define HDIO_DRIVE_RESET 0x031c /* execute a device reset */
|
|
+#define HDIO_DRIVE_TASKFILE 0x031d /* execute raw taskfile */
|
|
+#define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */
|
|
+#define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */
|
|
+
|
|
+#define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK
|
|
+
|
|
+/* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
|
|
+#define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */
|
|
+#define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */
|
|
+#define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */
|
|
+#define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */
|
|
+#define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */
|
|
+#define HDIO_SET_DMA 0x0326 /* change use-dma flag */
|
|
+#define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */
|
|
+#define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */
|
|
+#define HDIO_SET_NICE 0x0329 /* set nice flags */
|
|
+#define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */
|
|
+#define HDIO_SET_WCACHE 0x032b /* change write cache enable-disable */
|
|
+#define HDIO_SET_ACOUSTIC 0x032c /* change acoustic behavior */
|
|
+#define HDIO_SET_BUSSTATE 0x032d /* set the bus state of the hwif */
|
|
+#define HDIO_SET_QDMA 0x032e /* change use-qdma flag */
|
|
+#define HDIO_SET_ADDRESS 0x032f /* change lba addressing modes */
|
|
+
|
|
+/* bus states */
|
|
+enum {
|
|
+ BUSSTATE_OFF = 0,
|
|
+ BUSSTATE_ON,
|
|
+ BUSSTATE_TRISTATE
|
|
+};
|
|
+
|
|
+/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
|
|
+#define HDIO_GETGEO_BIG 0x0330 /* */
|
|
+#define HDIO_GETGEO_BIG_RAW 0x0331 /* */
|
|
+
|
|
+#define HDIO_SET_IDE_SCSI 0x0338
|
|
+#define HDIO_SET_SCSI_IDE 0x0339
|
|
+
|
|
+#define __NEW_HD_DRIVE_ID
|
|
+/* structure returned by HDIO_GET_IDENTITY,
|
|
+ * as per ANSI NCITS ATA6 rev.1b spec
|
|
+ */
|
|
+struct hd_driveid {
|
|
+ unsigned short config; /* lots of obsolete bit flags */
|
|
+ unsigned short cyls; /* Obsolete, "physical" cyls */
|
|
+ unsigned short reserved2; /* reserved (word 2) */
|
|
+ unsigned short heads; /* Obsolete, "physical" heads */
|
|
+ unsigned short track_bytes; /* unformatted bytes per track */
|
|
+ unsigned short sector_bytes; /* unformatted bytes per sector */
|
|
+ unsigned short sectors; /* Obsolete, "physical" sectors per track */
|
|
+ unsigned short vendor0; /* vendor unique */
|
|
+ unsigned short vendor1; /* vendor unique */
|
|
+ unsigned short vendor2; /* Retired vendor unique */
|
|
+ unsigned char serial_no[20]; /* 0 = not_specified */
|
|
+ unsigned short buf_type; /* Retired */
|
|
+ unsigned short buf_size; /* Retired, 512 byte increments
|
|
+ * 0 = not_specified
|
|
+ */
|
|
+ unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */
|
|
+ unsigned char fw_rev[8]; /* 0 = not_specified */
|
|
+ unsigned char model[40]; /* 0 = not_specified */
|
|
+ unsigned char max_multsect; /* 0=not_implemented */
|
|
+ unsigned char vendor3; /* vendor unique */
|
|
+ unsigned short dword_io; /* 0=not_implemented; 1=implemented */
|
|
+ unsigned char vendor4; /* vendor unique */
|
|
+ unsigned char capability; /* (upper byte of word 49)
|
|
+ * 3: IORDYsup
|
|
+ * 2: IORDYsw
|
|
+ * 1: LBA
|
|
+ * 0: DMA
|
|
+ */
|
|
+ unsigned short reserved50; /* reserved (word 50) */
|
|
+ unsigned char vendor5; /* Obsolete, vendor unique */
|
|
+ unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */
|
|
+ unsigned char vendor6; /* Obsolete, vendor unique */
|
|
+ unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */
|
|
+ unsigned short field_valid; /* (word 53)
|
|
+ * 2: ultra_ok word 88
|
|
+ * 1: eide_ok words 64-70
|
|
+ * 0: cur_ok words 54-58
|
|
+ */
|
|
+ unsigned short cur_cyls; /* Obsolete, logical cylinders */
|
|
+ unsigned short cur_heads; /* Obsolete, l heads */
|
|
+ unsigned short cur_sectors; /* Obsolete, l sectors per track */
|
|
+ unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */
|
|
+ unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */
|
|
+ unsigned char multsect; /* current multiple sector count */
|
|
+ unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
|
|
+ unsigned int lba_capacity; /* Obsolete, total number of sectors */
|
|
+ unsigned short dma_1word; /* Obsolete, single-word dma info */
|
|
+ unsigned short dma_mword; /* multiple-word dma info */
|
|
+ unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */
|
|
+ unsigned short eide_dma_min; /* min mword dma cycle time (ns) */
|
|
+ unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */
|
|
+ unsigned short eide_pio; /* min cycle time (ns), no IORDY */
|
|
+ unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */
|
|
+ unsigned short words69_70[2]; /* reserved words 69-70
|
|
+ * future command overlap and queuing
|
|
+ */
|
|
+ /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
|
|
+ unsigned short words71_74[4]; /* reserved words 71-74
|
|
+ * for IDENTIFY PACKET DEVICE command
|
|
+ */
|
|
+ unsigned short queue_depth; /* (word 75)
|
|
+ * 15:5 reserved
|
|
+ * 4:0 Maximum queue depth -1
|
|
+ */
|
|
+ unsigned short words76_79[4]; /* reserved words 76-79 */
|
|
+ unsigned short major_rev_num; /* (word 80) */
|
|
+ unsigned short minor_rev_num; /* (word 81) */
|
|
+ unsigned short command_set_1; /* (word 82) supported
|
|
+ * 15: Obsolete
|
|
+ * 14: NOP command
|
|
+ * 13: READ_BUFFER
|
|
+ * 12: WRITE_BUFFER
|
|
+ * 11: Obsolete
|
|
+ * 10: Host Protected Area
|
|
+ * 9: DEVICE Reset
|
|
+ * 8: SERVICE Interrupt
|
|
+ * 7: Release Interrupt
|
|
+ * 6: look-ahead
|
|
+ * 5: write cache
|
|
+ * 4: PACKET Command
|
|
+ * 3: Power Management Feature Set
|
|
+ * 2: Removable Feature Set
|
|
+ * 1: Security Feature Set
|
|
+ * 0: SMART Feature Set
|
|
+ */
|
|
+ unsigned short command_set_2; /* (word 83)
|
|
+ * 15: Shall be ZERO
|
|
+ * 14: Shall be ONE
|
|
+ * 13: FLUSH CACHE EXT
|
|
+ * 12: FLUSH CACHE
|
|
+ * 11: Device Configuration Overlay
|
|
+ * 10: 48-bit Address Feature Set
|
|
+ * 9: Automatic Acoustic Management
|
|
+ * 8: SET MAX security
|
|
+ * 7: reserved 1407DT PARTIES
|
|
+ * 6: SetF sub-command Power-Up
|
|
+ * 5: Power-Up in Standby Feature Set
|
|
+ * 4: Removable Media Notification
|
|
+ * 3: APM Feature Set
|
|
+ * 2: CFA Feature Set
|
|
+ * 1: READ/WRITE DMA QUEUED
|
|
+ * 0: Download MicroCode
|
|
+ */
|
|
+ unsigned short cfsse; /* (word 84)
|
|
+ * cmd set-feature supported extensions
|
|
+ * 15: Shall be ZERO
|
|
+ * 14: Shall be ONE
|
|
+ * 13:6 reserved
|
|
+ * 5: General Purpose Logging
|
|
+ * 4: Streaming Feature Set
|
|
+ * 3: Media Card Pass Through
|
|
+ * 2: Media Serial Number Valid
|
|
+ * 1: SMART selt-test supported
|
|
+ * 0: SMART error logging
|
|
+ */
|
|
+ unsigned short cfs_enable_1; /* (word 85)
|
|
+ * command set-feature enabled
|
|
+ * 15: Obsolete
|
|
+ * 14: NOP command
|
|
+ * 13: READ_BUFFER
|
|
+ * 12: WRITE_BUFFER
|
|
+ * 11: Obsolete
|
|
+ * 10: Host Protected Area
|
|
+ * 9: DEVICE Reset
|
|
+ * 8: SERVICE Interrupt
|
|
+ * 7: Release Interrupt
|
|
+ * 6: look-ahead
|
|
+ * 5: write cache
|
|
+ * 4: PACKET Command
|
|
+ * 3: Power Management Feature Set
|
|
+ * 2: Removable Feature Set
|
|
+ * 1: Security Feature Set
|
|
+ * 0: SMART Feature Set
|
|
+ */
|
|
+ unsigned short cfs_enable_2; /* (word 86)
|
|
+ * command set-feature enabled
|
|
+ * 15: Shall be ZERO
|
|
+ * 14: Shall be ONE
|
|
+ * 13: FLUSH CACHE EXT
|
|
+ * 12: FLUSH CACHE
|
|
+ * 11: Device Configuration Overlay
|
|
+ * 10: 48-bit Address Feature Set
|
|
+ * 9: Automatic Acoustic Management
|
|
+ * 8: SET MAX security
|
|
+ * 7: reserved 1407DT PARTIES
|
|
+ * 6: SetF sub-command Power-Up
|
|
+ * 5: Power-Up in Standby Feature Set
|
|
+ * 4: Removable Media Notification
|
|
+ * 3: APM Feature Set
|
|
+ * 2: CFA Feature Set
|
|
+ * 1: READ/WRITE DMA QUEUED
|
|
+ * 0: Download MicroCode
|
|
+ */
|
|
+ unsigned short csf_default; /* (word 87)
|
|
+ * command set-feature default
|
|
+ * 15: Shall be ZERO
|
|
+ * 14: Shall be ONE
|
|
+ * 13:6 reserved
|
|
+ * 5: General Purpose Logging enabled
|
|
+ * 4: Valid CONFIGURE STREAM executed
|
|
+ * 3: Media Card Pass Through enabled
|
|
+ * 2: Media Serial Number Valid
|
|
+ * 1: SMART selt-test supported
|
|
+ * 0: SMART error logging
|
|
+ */
|
|
+ unsigned short dma_ultra; /* (word 88) */
|
|
+ unsigned short trseuc; /* time required for security erase */
|
|
+ unsigned short trsEuc; /* time required for enhanced erase */
|
|
+ unsigned short CurAPMvalues; /* current APM values */
|
|
+ unsigned short mprc; /* master password revision code */
|
|
+ unsigned short hw_config; /* hardware config (word 93)
|
|
+ * 15: Shall be ZERO
|
|
+ * 14: Shall be ONE
|
|
+ * 13:
|
|
+ * 12:
|
|
+ * 11:
|
|
+ * 10:
|
|
+ * 9:
|
|
+ * 8:
|
|
+ * 7:
|
|
+ * 6:
|
|
+ * 5:
|
|
+ * 4:
|
|
+ * 3:
|
|
+ * 2:
|
|
+ * 1:
|
|
+ * 0: Shall be ONE
|
|
+ */
|
|
+ unsigned short acoustic; /* (word 94)
|
|
+ * 15:8 Vendor's recommended value
|
|
+ * 7:0 current value
|
|
+ */
|
|
+ unsigned short msrqs; /* min stream request size */
|
|
+ unsigned short sxfert; /* stream transfer time */
|
|
+ unsigned short sal; /* stream access latency */
|
|
+ unsigned int spg; /* stream performance granularity */
|
|
+ unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
|
|
+ unsigned short words104_125[22];/* reserved words 104-125 */
|
|
+ unsigned short last_lun; /* (word 126) */
|
|
+ unsigned short word127; /* (word 127) Feature Set
|
|
+ * Removable Media Notification
|
|
+ * 15:2 reserved
|
|
+ * 1:0 00 = not supported
|
|
+ * 01 = supported
|
|
+ * 10 = reserved
|
|
+ * 11 = reserved
|
|
+ */
|
|
+ unsigned short dlf; /* (word 128)
|
|
+ * device lock function
|
|
+ * 15:9 reserved
|
|
+ * 8 security level 1:max 0:high
|
|
+ * 7:6 reserved
|
|
+ * 5 enhanced erase
|
|
+ * 4 expire
|
|
+ * 3 frozen
|
|
+ * 2 locked
|
|
+ * 1 en/disabled
|
|
+ * 0 capability
|
|
+ */
|
|
+ unsigned short csfo; /* (word 129)
|
|
+ * current set features options
|
|
+ * 15:4 reserved
|
|
+ * 3: auto reassign
|
|
+ * 2: reverting
|
|
+ * 1: read-look-ahead
|
|
+ * 0: write cache
|
|
+ */
|
|
+ unsigned short words130_155[26];/* reserved vendor words 130-155 */
|
|
+ unsigned short word156; /* reserved vendor word 156 */
|
|
+ unsigned short words157_159[3];/* reserved vendor words 157-159 */
|
|
+ unsigned short cfa_power; /* (word 160) CFA Power Mode
|
|
+ * 15 word 160 supported
|
|
+ * 14 reserved
|
|
+ * 13
|
|
+ * 12
|
|
+ * 11:0
|
|
+ */
|
|
+ unsigned short words161_175[15];/* Reserved for CFA */
|
|
+ unsigned short words176_205[30];/* Current Media Serial Number */
|
|
+ unsigned short words206_254[49];/* reserved words 206-254 */
|
|
+ unsigned short integrity_word; /* (word 255)
|
|
+ * 15:8 Checksum
|
|
+ * 7:0 Signature
|
|
+ */
|
|
+};
|
|
+
|
|
+/*
|
|
+ * IDE "nice" flags. These are used on a per drive basis to determine
|
|
+ * when to be nice and give more bandwidth to the other devices which
|
|
+ * share the same IDE bus.
|
|
+ */
|
|
+#define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */
|
|
+#define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */
|
|
+#define IDE_NICE_0 (2) /* when sure that it won't affect us */
|
|
+#define IDE_NICE_1 (3) /* when probably won't affect us much */
|
|
+#define IDE_NICE_2 (4) /* when we know it's on our expense */
|
|
+
|
|
+#ifdef __KERNEL__
|
|
+/*
|
|
+ * These routines are used for kernel command line parameters from main.c:
|
|
+ */
|
|
+#include <linux/config.h>
|
|
+
|
|
+#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
|
|
+int ide_register(int io_port, int ctl_port, int irq);
|
|
+int ide_unregister(unsigned int);
|
|
+#endif /* CONFIG_BLK_DEV_IDE || CONFIG_BLK_DEV_IDE_MODULE */
|
|
+
|
|
+#endif /* __KERNEL__ */
|
|
+
|
|
+#endif /* _LINUX_HDREG_H */
|
|
--- ./linux/list.h 1970-01-01 00:00:00.000000000 +0000
|
|
+++ ./linux/list.h 2004-08-20 03:20:02.312586312 +0000
|
|
@@ -0,0 +1,259 @@
|
|
+#ifndef _LINUX_LIST_H
|
|
+#define _LINUX_LIST_H
|
|
+
|
|
+#if defined(__KERNEL__) || defined(_LVM_H_INCLUDE)
|
|
+
|
|
+#include <linux/prefetch.h>
|
|
+
|
|
+/*
|
|
+ * Simple doubly linked list implementation.
|
|
+ *
|
|
+ * Some of the internal functions ("__xxx") are useful when
|
|
+ * manipulating whole lists rather than single entries, as
|
|
+ * sometimes we already know the next/prev entries and we can
|
|
+ * generate better code by using them directly rather than
|
|
+ * using the generic single-entry routines.
|
|
+ */
|
|
+
|
|
+struct list_head {
|
|
+ struct list_head *next, *prev;
|
|
+};
|
|
+
|
|
+#define LIST_HEAD_INIT(name) { &(name), &(name) }
|
|
+
|
|
+#define LIST_HEAD(name) \
|
|
+ struct list_head name = LIST_HEAD_INIT(name)
|
|
+
|
|
+#define INIT_LIST_HEAD(ptr) do { \
|
|
+ (ptr)->next = (ptr); (ptr)->prev = (ptr); \
|
|
+} while (0)
|
|
+
|
|
+/*
|
|
+ * Insert a new entry between two known consecutive entries.
|
|
+ *
|
|
+ * This is only for internal list manipulation where we know
|
|
+ * the prev/next entries already!
|
|
+ */
|
|
+static inline void __list_add(struct list_head *new,
|
|
+ struct list_head *prev,
|
|
+ struct list_head *next)
|
|
+{
|
|
+ next->prev = new;
|
|
+ new->next = next;
|
|
+ new->prev = prev;
|
|
+ prev->next = new;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * list_add - add a new entry
|
|
+ * @new: new entry to be added
|
|
+ * @head: list head to add it after
|
|
+ *
|
|
+ * Insert a new entry after the specified head.
|
|
+ * This is good for implementing stacks.
|
|
+ */
|
|
+static inline void list_add(struct list_head *new, struct list_head *head)
|
|
+{
|
|
+ __list_add(new, head, head->next);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * list_add_tail - add a new entry
|
|
+ * @new: new entry to be added
|
|
+ * @head: list head to add it before
|
|
+ *
|
|
+ * Insert a new entry before the specified head.
|
|
+ * This is useful for implementing queues.
|
|
+ */
|
|
+static inline void list_add_tail(struct list_head *new, struct list_head *head)
|
|
+{
|
|
+ __list_add(new, head->prev, head);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * Delete a list entry by making the prev/next entries
|
|
+ * point to each other.
|
|
+ *
|
|
+ * This is only for internal list manipulation where we know
|
|
+ * the prev/next entries already!
|
|
+ */
|
|
+static inline void __list_del(struct list_head *prev, struct list_head *next)
|
|
+{
|
|
+ next->prev = prev;
|
|
+ prev->next = next;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * list_del - deletes entry from list.
|
|
+ * @entry: the element to delete from the list.
|
|
+ * Note: list_empty on entry does not return true after this, the entry is in an undefined state.
|
|
+ */
|
|
+static inline void list_del(struct list_head *entry)
|
|
+{
|
|
+ __list_del(entry->prev, entry->next);
|
|
+ entry->next = (void *) 0;
|
|
+ entry->prev = (void *) 0;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * list_del_init - deletes entry from list and reinitialize it.
|
|
+ * @entry: the element to delete from the list.
|
|
+ */
|
|
+static inline void list_del_init(struct list_head *entry)
|
|
+{
|
|
+ __list_del(entry->prev, entry->next);
|
|
+ INIT_LIST_HEAD(entry);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * list_move - delete from one list and add as another's head
|
|
+ * @list: the entry to move
|
|
+ * @head: the head that will precede our entry
|
|
+ */
|
|
+static inline void list_move(struct list_head *list, struct list_head *head)
|
|
+{
|
|
+ __list_del(list->prev, list->next);
|
|
+ list_add(list, head);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * list_move_tail - delete from one list and add as another's tail
|
|
+ * @list: the entry to move
|
|
+ * @head: the head that will follow our entry
|
|
+ */
|
|
+static inline void list_move_tail(struct list_head *list,
|
|
+ struct list_head *head)
|
|
+{
|
|
+ __list_del(list->prev, list->next);
|
|
+ list_add_tail(list, head);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * list_empty - tests whether a list is empty
|
|
+ * @head: the list to test.
|
|
+ */
|
|
+static inline int list_empty(struct list_head *head)
|
|
+{
|
|
+ return head->next == head;
|
|
+}
|
|
+
|
|
+static inline void __list_splice(struct list_head *list,
|
|
+ struct list_head *head)
|
|
+{
|
|
+ struct list_head *first = list->next;
|
|
+ struct list_head *last = list->prev;
|
|
+ struct list_head *at = head->next;
|
|
+
|
|
+ first->prev = head;
|
|
+ head->next = first;
|
|
+
|
|
+ last->next = at;
|
|
+ at->prev = last;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * list_splice - join two lists
|
|
+ * @list: the new list to add.
|
|
+ * @head: the place to add it in the first list.
|
|
+ */
|
|
+static inline void list_splice(struct list_head *list, struct list_head *head)
|
|
+{
|
|
+ if (!list_empty(list))
|
|
+ __list_splice(list, head);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * list_splice_init - join two lists and reinitialise the emptied list.
|
|
+ * @list: the new list to add.
|
|
+ * @head: the place to add it in the first list.
|
|
+ *
|
|
+ * The list at @list is reinitialised
|
|
+ */
|
|
+static inline void list_splice_init(struct list_head *list,
|
|
+ struct list_head *head)
|
|
+{
|
|
+ if (!list_empty(list)) {
|
|
+ __list_splice(list, head);
|
|
+ INIT_LIST_HEAD(list);
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * list_entry - get the struct for this entry
|
|
+ * @ptr: the &struct list_head pointer.
|
|
+ * @type: the type of the struct this is embedded in.
|
|
+ * @member: the name of the list_struct within the struct.
|
|
+ */
|
|
+#define list_entry(ptr, type, member) \
|
|
+ ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
|
|
+
|
|
+/**
|
|
+ * list_for_each - iterate over a list
|
|
+ * @pos: the &struct list_head to use as a loop counter.
|
|
+ * @head: the head for your list.
|
|
+ */
|
|
+#define list_for_each(pos, head) \
|
|
+ for (pos = (head)->next, prefetch(pos->next); pos != (head); \
|
|
+ pos = pos->next, prefetch(pos->next))
|
|
+/**
|
|
+ * list_for_each_prev - iterate over a list backwards
|
|
+ * @pos: the &struct list_head to use as a loop counter.
|
|
+ * @head: the head for your list.
|
|
+ */
|
|
+#define list_for_each_prev(pos, head) \
|
|
+ for (pos = (head)->prev, prefetch(pos->prev); pos != (head); \
|
|
+ pos = pos->prev, prefetch(pos->prev))
|
|
+
|
|
+/**
|
|
+ * list_for_each_safe - iterate over a list safe against removal of list entry
|
|
+ * @pos: the &struct list_head to use as a loop counter.
|
|
+ * @n: another &struct list_head to use as temporary storage
|
|
+ * @head: the head for your list.
|
|
+ */
|
|
+#define list_for_each_safe(pos, n, head) \
|
|
+ for (pos = (head)->next, n = pos->next; pos != (head); \
|
|
+ pos = n, n = pos->next)
|
|
+
|
|
+/**
|
|
+ * list_for_each_entry - iterate over list of given type
|
|
+ * @pos: the type * to use as a loop counter.
|
|
+ * @head: the head for your list.
|
|
+ * @member: the name of the list_struct within the struct.
|
|
+ */
|
|
+#define list_for_each_entry(pos, head, member) \
|
|
+ for (pos = list_entry((head)->next, typeof(*pos), member), \
|
|
+ prefetch(pos->member.next); \
|
|
+ &pos->member != (head); \
|
|
+ pos = list_entry(pos->member.next, typeof(*pos), member), \
|
|
+ prefetch(pos->member.next))
|
|
+
|
|
+/**
|
|
+ * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
|
|
+ * @pos: the type * to use as a loop counter.
|
|
+ * @n: another type * to use as temporary storage
|
|
+ * @head: the head for your list.
|
|
+ * @member: the name of the list_struct within the struct.
|
|
+ */
|
|
+#define list_for_each_entry_safe(pos, n, head, member) \
|
|
+ for (pos = list_entry((head)->next, typeof(*pos), member), \
|
|
+ n = list_entry(pos->member.next, typeof(*pos), member); \
|
|
+ &pos->member != (head); \
|
|
+ pos = n, n = list_entry(n->member.next, typeof(*n), member))
|
|
+
|
|
+/**
|
|
+ * list_for_each_entry_continue - iterate over list of given type
|
|
+ * continuing after existing point
|
|
+ * @pos: the type * to use as a loop counter.
|
|
+ * @head: the head for your list.
|
|
+ * @member: the name of the list_struct within the struct.
|
|
+ */
|
|
+#define list_for_each_entry_continue(pos, head, member) \
|
|
+ for (pos = list_entry(pos->member.next, typeof(*pos), member), \
|
|
+ prefetch(pos->member.next); \
|
|
+ &pos->member != (head); \
|
|
+ pos = list_entry(pos->member.next, typeof(*pos), member), \
|
|
+ prefetch(pos->member.next))
|
|
+
|
|
+#endif /* __KERNEL__ || _LVM_H_INCLUDE */
|
|
+
|
|
+#endif
|
|
--- ./linux/types.h 1970-01-01 00:00:00.000000000 +0000
|
|
+++ ./linux/types.h 2004-08-20 03:17:15.071010896 +0000
|
|
@@ -0,0 +1,137 @@
|
|
+#ifndef _LINUX_TYPES_H
|
|
+#define _LINUX_TYPES_H
|
|
+
|
|
+#ifdef __KERNEL__
|
|
+#include <linux/config.h>
|
|
+
|
|
+#define BITS_TO_LONGS(bits) \
|
|
+ (((bits)+BITS_PER_LONG-1)/BITS_PER_LONG)
|
|
+#define DECLARE_BITMAP(name,bits) \
|
|
+ unsigned long name[BITS_TO_LONGS(bits)]
|
|
+#define CLEAR_BITMAP(name,bits) \
|
|
+ memset(name, 0, BITS_TO_LONGS(bits)*sizeof(unsigned long))
|
|
+#endif
|
|
+
|
|
+#include <linux/posix_types.h>
|
|
+#include <asm/types.h>
|
|
+
|
|
+#ifndef __KERNEL_STRICT_NAMES
|
|
+
|
|
+typedef __kernel_fd_set fd_set;
|
|
+typedef __kernel_dev_t dev_t;
|
|
+typedef __kernel_ino_t ino_t;
|
|
+typedef __kernel_mode_t mode_t;
|
|
+typedef __kernel_nlink_t nlink_t;
|
|
+typedef __kernel_off_t off_t;
|
|
+typedef __kernel_pid_t pid_t;
|
|
+typedef __kernel_daddr_t daddr_t;
|
|
+typedef __kernel_key_t key_t;
|
|
+typedef __kernel_suseconds_t suseconds_t;
|
|
+
|
|
+#ifdef __KERNEL__
|
|
+typedef __kernel_uid32_t uid_t;
|
|
+typedef __kernel_gid32_t gid_t;
|
|
+typedef __kernel_uid16_t uid16_t;
|
|
+typedef __kernel_gid16_t gid16_t;
|
|
+
|
|
+#ifdef CONFIG_UID16
|
|
+/* This is defined by include/asm-{arch}/posix_types.h */
|
|
+typedef __kernel_old_uid_t old_uid_t;
|
|
+typedef __kernel_old_gid_t old_gid_t;
|
|
+#endif /* CONFIG_UID16 */
|
|
+
|
|
+/* libc5 includes this file to define uid_t, thus uid_t can never change
|
|
+ * when it is included by non-kernel code
|
|
+ */
|
|
+#else
|
|
+typedef __kernel_uid_t uid_t;
|
|
+typedef __kernel_gid_t gid_t;
|
|
+#endif /* __KERNEL__ */
|
|
+
|
|
+#if defined(__GNUC__)
|
|
+typedef __kernel_loff_t loff_t;
|
|
+#endif
|
|
+
|
|
+/*
|
|
+ * The following typedefs are also protected by individual ifdefs for
|
|
+ * historical reasons:
|
|
+ */
|
|
+#ifndef _SIZE_T
|
|
+#define _SIZE_T
|
|
+typedef __kernel_size_t size_t;
|
|
+#endif
|
|
+
|
|
+#ifndef _SSIZE_T
|
|
+#define _SSIZE_T
|
|
+typedef __kernel_ssize_t ssize_t;
|
|
+#endif
|
|
+
|
|
+#ifndef _PTRDIFF_T
|
|
+#define _PTRDIFF_T
|
|
+typedef __kernel_ptrdiff_t ptrdiff_t;
|
|
+#endif
|
|
+
|
|
+#ifndef _TIME_T
|
|
+#define _TIME_T
|
|
+typedef __kernel_time_t time_t;
|
|
+#endif
|
|
+
|
|
+#ifndef _CLOCK_T
|
|
+#define _CLOCK_T
|
|
+typedef __kernel_clock_t clock_t;
|
|
+#endif
|
|
+
|
|
+#ifndef _CADDR_T
|
|
+#define _CADDR_T
|
|
+typedef __kernel_caddr_t caddr_t;
|
|
+#endif
|
|
+
|
|
+/* bsd */
|
|
+typedef unsigned char u_char;
|
|
+typedef unsigned short u_short;
|
|
+typedef unsigned int u_int;
|
|
+typedef unsigned long u_long;
|
|
+
|
|
+/* sysv */
|
|
+typedef unsigned char unchar;
|
|
+typedef unsigned short ushort;
|
|
+typedef unsigned int uint;
|
|
+typedef unsigned long ulong;
|
|
+
|
|
+#ifndef __BIT_TYPES_DEFINED__
|
|
+#define __BIT_TYPES_DEFINED__
|
|
+
|
|
+typedef __u8 u_int8_t;
|
|
+typedef __s8 int8_t;
|
|
+typedef __u16 u_int16_t;
|
|
+typedef __s16 int16_t;
|
|
+typedef __u32 u_int32_t;
|
|
+typedef __s32 int32_t;
|
|
+
|
|
+#endif /* !(__BIT_TYPES_DEFINED__) */
|
|
+
|
|
+typedef __u8 uint8_t;
|
|
+typedef __u16 uint16_t;
|
|
+typedef __u32 uint32_t;
|
|
+
|
|
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
|
|
+typedef __u64 uint64_t;
|
|
+typedef __u64 u_int64_t;
|
|
+typedef __s64 int64_t;
|
|
+#endif
|
|
+
|
|
+#endif /* __KERNEL_STRICT_NAMES */
|
|
+
|
|
+/*
|
|
+ * Below are truly Linux-specific types that should never collide with
|
|
+ * any application/library that wants linux/types.h.
|
|
+ */
|
|
+
|
|
+struct ustat {
|
|
+ __kernel_daddr_t f_tfree;
|
|
+ __kernel_ino_t f_tinode;
|
|
+ char f_fname[6];
|
|
+ char f_fpack[6];
|
|
+};
|
|
+
|
|
+#endif /* _LINUX_TYPES_H */
|
|
--- ./linux/vfs.h 1970-01-01 00:00:00.000000000 +0000
|
|
+++ ./linux/vfs.h 2004-08-20 03:18:36.751593560 +0000
|
|
@@ -0,0 +1,6 @@
|
|
+#ifndef _LINUX_VFS_H
|
|
+#define _LINUX_VFS_H
|
|
+
|
|
+#include <asm/statfs.h>
|
|
+
|
|
+#endif
|