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-rw-r--r--fs/ext2/Makefile2
-rw-r--r--fs/ext2/dir.c2
-rw-r--r--fs/ext2/ext2.h5
-rw-r--r--fs/ext2/file.c4
-rw-r--r--fs/ext2/fsync.c50
-rw-r--r--fs/ext2/inode.c11
-rw-r--r--fs/ext2/super.c61
7 files changed, 51 insertions, 84 deletions
diff --git a/fs/ext2/Makefile b/fs/ext2/Makefile
index e0b2b43c1fdb..f42af45cfd88 100644
--- a/fs/ext2/Makefile
+++ b/fs/ext2/Makefile
@@ -4,7 +4,7 @@
obj-$(CONFIG_EXT2_FS) += ext2.o
-ext2-y := balloc.o dir.o file.o fsync.o ialloc.o inode.o \
+ext2-y := balloc.o dir.o file.o ialloc.o inode.o \
ioctl.o namei.o super.o symlink.o
ext2-$(CONFIG_EXT2_FS_XATTR) += xattr.o xattr_user.o xattr_trusted.o
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 2999d72153b7..003500498c22 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -720,5 +720,5 @@ const struct file_operations ext2_dir_operations = {
#ifdef CONFIG_COMPAT
.compat_ioctl = ext2_compat_ioctl,
#endif
- .fsync = ext2_sync_file,
+ .fsync = simple_fsync,
};
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 3203042b36ef..f2e5811936d0 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -27,7 +27,7 @@ struct ext2_inode_info {
/*
* i_block_group is the number of the block group which contains
* this file's inode. Constant across the lifetime of the inode,
- * it is ued for making block allocation decisions - we try to
+ * it is used for making block allocation decisions - we try to
* place a file's data blocks near its inode block, and new inodes
* near to their parent directory's inode.
*/
@@ -113,9 +113,6 @@ extern int ext2_empty_dir (struct inode *);
extern struct ext2_dir_entry_2 * ext2_dotdot (struct inode *, struct page **);
extern void ext2_set_link(struct inode *, struct ext2_dir_entry_2 *, struct page *, struct inode *);
-/* fsync.c */
-extern int ext2_sync_file (struct file *, struct dentry *, int);
-
/* ialloc.c */
extern struct inode * ext2_new_inode (struct inode *, int);
extern void ext2_free_inode (struct inode *);
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index 45ed07122182..2b9e47dc9222 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -55,7 +55,7 @@ const struct file_operations ext2_file_operations = {
.mmap = generic_file_mmap,
.open = generic_file_open,
.release = ext2_release_file,
- .fsync = ext2_sync_file,
+ .fsync = simple_fsync,
.splice_read = generic_file_splice_read,
.splice_write = generic_file_splice_write,
};
@@ -72,7 +72,7 @@ const struct file_operations ext2_xip_file_operations = {
.mmap = xip_file_mmap,
.open = generic_file_open,
.release = ext2_release_file,
- .fsync = ext2_sync_file,
+ .fsync = simple_fsync,
};
#endif
diff --git a/fs/ext2/fsync.c b/fs/ext2/fsync.c
deleted file mode 100644
index fc66c93fcb5c..000000000000
--- a/fs/ext2/fsync.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * linux/fs/ext2/fsync.c
- *
- * Copyright (C) 1993 Stephen Tweedie (sct@dcs.ed.ac.uk)
- * from
- * Copyright (C) 1992 Remy Card (card@masi.ibp.fr)
- * Laboratoire MASI - Institut Blaise Pascal
- * Universite Pierre et Marie Curie (Paris VI)
- * from
- * linux/fs/minix/truncate.c Copyright (C) 1991, 1992 Linus Torvalds
- *
- * ext2fs fsync primitive
- *
- * Big-endian to little-endian byte-swapping/bitmaps by
- * David S. Miller (davem@caip.rutgers.edu), 1995
- *
- * Removed unnecessary code duplication for little endian machines
- * and excessive __inline__s.
- * Andi Kleen, 1997
- *
- * Major simplications and cleanup - we only need to do the metadata, because
- * we can depend on generic_block_fdatasync() to sync the data blocks.
- */
-
-#include "ext2.h"
-#include <linux/buffer_head.h> /* for sync_mapping_buffers() */
-
-
-/*
- * File may be NULL when we are called. Perhaps we shouldn't
- * even pass file to fsync ?
- */
-
-int ext2_sync_file(struct file *file, struct dentry *dentry, int datasync)
-{
- struct inode *inode = dentry->d_inode;
- int err;
- int ret;
-
- ret = sync_mapping_buffers(inode->i_mapping);
- if (!(inode->i_state & I_DIRTY))
- return ret;
- if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
- return ret;
-
- err = ext2_sync_inode(inode);
- if (ret == 0)
- ret = err;
- return ret;
-}
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index acf678831103..29ed682061f6 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -41,8 +41,6 @@ MODULE_AUTHOR("Remy Card and others");
MODULE_DESCRIPTION("Second Extended Filesystem");
MODULE_LICENSE("GPL");
-static int ext2_update_inode(struct inode * inode, int do_sync);
-
/*
* Test whether an inode is a fast symlink.
*/
@@ -66,7 +64,7 @@ void ext2_delete_inode (struct inode * inode)
goto no_delete;
EXT2_I(inode)->i_dtime = get_seconds();
mark_inode_dirty(inode);
- ext2_update_inode(inode, inode_needs_sync(inode));
+ ext2_write_inode(inode, inode_needs_sync(inode));
inode->i_size = 0;
if (inode->i_blocks)
@@ -1337,7 +1335,7 @@ bad_inode:
return ERR_PTR(ret);
}
-static int ext2_update_inode(struct inode * inode, int do_sync)
+int ext2_write_inode(struct inode *inode, int do_sync)
{
struct ext2_inode_info *ei = EXT2_I(inode);
struct super_block *sb = inode->i_sb;
@@ -1442,11 +1440,6 @@ static int ext2_update_inode(struct inode * inode, int do_sync)
return err;
}
-int ext2_write_inode(struct inode *inode, int wait)
-{
- return ext2_update_inode(inode, wait);
-}
-
int ext2_sync_inode(struct inode *inode)
{
struct writeback_control wbc = {
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 5c4afe652245..458999638c3d 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -42,6 +42,7 @@ static void ext2_sync_super(struct super_block *sb,
struct ext2_super_block *es);
static int ext2_remount (struct super_block * sb, int * flags, char * data);
static int ext2_statfs (struct dentry * dentry, struct kstatfs * buf);
+static int ext2_sync_fs(struct super_block *sb, int wait);
void ext2_error (struct super_block * sb, const char * function,
const char * fmt, ...)
@@ -114,6 +115,11 @@ static void ext2_put_super (struct super_block * sb)
int i;
struct ext2_sb_info *sbi = EXT2_SB(sb);
+ lock_kernel();
+
+ if (sb->s_dirt)
+ ext2_write_super(sb);
+
ext2_xattr_put_super(sb);
if (!(sb->s_flags & MS_RDONLY)) {
struct ext2_super_block *es = sbi->s_es;
@@ -135,7 +141,7 @@ static void ext2_put_super (struct super_block * sb)
kfree(sbi->s_blockgroup_lock);
kfree(sbi);
- return;
+ unlock_kernel();
}
static struct kmem_cache * ext2_inode_cachep;
@@ -304,6 +310,7 @@ static const struct super_operations ext2_sops = {
.delete_inode = ext2_delete_inode,
.put_super = ext2_put_super,
.write_super = ext2_write_super,
+ .sync_fs = ext2_sync_fs,
.statfs = ext2_statfs,
.remount_fs = ext2_remount,
.clear_inode = ext2_clear_inode,
@@ -1093,6 +1100,7 @@ failed_mount:
brelse(bh);
failed_sbi:
sb->s_fs_info = NULL;
+ kfree(sbi->s_blockgroup_lock);
kfree(sbi);
return ret;
}
@@ -1126,25 +1134,36 @@ static void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es)
* set s_state to EXT2_VALID_FS after some corrections.
*/
-void ext2_write_super (struct super_block * sb)
+static int ext2_sync_fs(struct super_block *sb, int wait)
{
- struct ext2_super_block * es;
+ struct ext2_super_block *es = EXT2_SB(sb)->s_es;
+
lock_kernel();
- if (!(sb->s_flags & MS_RDONLY)) {
- es = EXT2_SB(sb)->s_es;
-
- if (es->s_state & cpu_to_le16(EXT2_VALID_FS)) {
- ext2_debug ("setting valid to 0\n");
- es->s_state &= cpu_to_le16(~EXT2_VALID_FS);
- es->s_free_blocks_count = cpu_to_le32(ext2_count_free_blocks(sb));
- es->s_free_inodes_count = cpu_to_le32(ext2_count_free_inodes(sb));
- es->s_mtime = cpu_to_le32(get_seconds());
- ext2_sync_super(sb, es);
- } else
- ext2_commit_super (sb, es);
+ if (es->s_state & cpu_to_le16(EXT2_VALID_FS)) {
+ ext2_debug("setting valid to 0\n");
+ es->s_state &= cpu_to_le16(~EXT2_VALID_FS);
+ es->s_free_blocks_count =
+ cpu_to_le32(ext2_count_free_blocks(sb));
+ es->s_free_inodes_count =
+ cpu_to_le32(ext2_count_free_inodes(sb));
+ es->s_mtime = cpu_to_le32(get_seconds());
+ ext2_sync_super(sb, es);
+ } else {
+ ext2_commit_super(sb, es);
}
sb->s_dirt = 0;
unlock_kernel();
+
+ return 0;
+}
+
+
+void ext2_write_super(struct super_block *sb)
+{
+ if (!(sb->s_flags & MS_RDONLY))
+ ext2_sync_fs(sb, 1);
+ else
+ sb->s_dirt = 0;
}
static int ext2_remount (struct super_block * sb, int * flags, char * data)
@@ -1156,6 +1175,8 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
unsigned long old_sb_flags;
int err;
+ lock_kernel();
+
/* Store the old options */
old_sb_flags = sb->s_flags;
old_opts.s_mount_opt = sbi->s_mount_opt;
@@ -1191,12 +1212,16 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
sbi->s_mount_opt &= ~EXT2_MOUNT_XIP;
sbi->s_mount_opt |= old_mount_opt & EXT2_MOUNT_XIP;
}
- if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
+ if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
+ unlock_kernel();
return 0;
+ }
if (*flags & MS_RDONLY) {
if (le16_to_cpu(es->s_state) & EXT2_VALID_FS ||
- !(sbi->s_mount_state & EXT2_VALID_FS))
+ !(sbi->s_mount_state & EXT2_VALID_FS)) {
+ unlock_kernel();
return 0;
+ }
/*
* OK, we are remounting a valid rw partition rdonly, so set
* the rdonly flag and then mark the partition as valid again.
@@ -1223,12 +1248,14 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
sb->s_flags &= ~MS_RDONLY;
}
ext2_sync_super(sb, es);
+ unlock_kernel();
return 0;
restore_opts:
sbi->s_mount_opt = old_opts.s_mount_opt;
sbi->s_resuid = old_opts.s_resuid;
sbi->s_resgid = old_opts.s_resgid;
sb->s_flags = old_sb_flags;
+ unlock_kernel();
return err;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-11 01:36:13 +0000