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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 

Pull ext3 fix and quota cleanup from Jan Kara:
 "A fix of ext3 error reporting from fsync and a quota cleanup"

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  quota: Convert use of typedef ctl_table to struct ctl_table
  ext3: Fix fsync error handling after filesystem abort.
This commit is contained in:
Linus Torvalds 2013-07-09 12:08:43 -07:00
parent c75e24752c e628753bf9
commit 1f792dd176
3 changed files with 21 additions and 6 deletions
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8
fs/ext3/fsync.c
View File

@ -48,9 +48,13 @@ int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
trace_ext3_sync_file_enter(file, datasync);
if (inode->i_sb->s_flags & MS_RDONLY)
if (inode->i_sb->s_flags & MS_RDONLY) {
/* Make sure that we read updated state */
smp_rmb();
if (EXT3_SB(inode->i_sb)->s_mount_state & EXT3_ERROR_FS)
return -EROFS;
return 0;
}
ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
if (ret)
goto out;

13
fs/ext3/super.c
View File

@ -174,6 +174,11 @@ static void ext3_handle_error(struct super_block *sb)
if (test_opt (sb, ERRORS_RO)) {
ext3_msg(sb, KERN_CRIT,
"error: remounting filesystem read-only");
/*
* Make sure updated value of ->s_mount_state will be visible
* before ->s_flags update.
*/
smp_wmb();
sb->s_flags |= MS_RDONLY;
}
ext3_commit_super(sb, es, 1);
@ -291,8 +296,14 @@ void ext3_abort(struct super_block *sb, const char *function,
ext3_msg(sb, KERN_CRIT,
"error: remounting filesystem read-only");
EXT3_SB(sb)->s_mount_state |= EXT3_ERROR_FS;
sb->s_flags |= MS_RDONLY;
set_opt(EXT3_SB(sb)->s_mount_opt, ABORT);
/*
* Make sure updated value of ->s_mount_state will be visible
* before ->s_flags update.
*/
smp_wmb();
sb->s_flags |= MS_RDONLY;
if (EXT3_SB(sb)->s_journal)
journal_abort(EXT3_SB(sb)->s_journal, -EIO);
}

6
fs/quota/dquot.c
View File

@ -2585,7 +2585,7 @@ static int do_proc_dqstats(struct ctl_table *table, int write,
return proc_dointvec(table, write, buffer, lenp, ppos);
}
static ctl_table fs_dqstats_table[] = {
static struct ctl_table fs_dqstats_table[] = {
{
.procname = "lookups",
.data = &dqstats.stat[DQST_LOOKUPS],
@ -2654,7 +2654,7 @@ static ctl_table fs_dqstats_table[] = {
{ },
};
static ctl_table fs_table[] = {
static struct ctl_table fs_table[] = {
{
.procname = "quota",
.mode = 0555,
@ -2663,7 +2663,7 @@ static ctl_table fs_table[] = {
{ },
};
static ctl_table sys_table[] = {
static struct ctl_table sys_table[] = {
{
.procname = "fs",
.mode = 0555,