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ext3: don't clear orphan list on ro mount with errors

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When we have a filesystem with an orphan inode list *and* in error
state, things behave differently if:

1) e2fsck -p is done prior to mount: e2fsck fixes things and exits
   happily (barring other significant problems)

vs.

2) mount is done first, then e2fsck -p: due to the orphan inode
   list removal, more errors are found and e2fsck exits with
   UNEXPECTED INCONSISTENCY.

The 2nd case above, on the root filesystem, has the tendency to halt
the boot process, which is unfortunate.

The situation can be improved by not clearing the orphan
inode list when the fs is mounted readonly.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Eric Sandeen 2012-08-27 14:30:40 -05:00 committed by Jan Kara
parent da02eb72f1
commit e423010854
1 changed files with 4 additions and 2 deletions
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6
fs/ext3/super.c
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@ -1479,10 +1479,12 @@ static void ext3_orphan_cleanup (struct super_block * sb,
}
if (EXT3_SB(sb)->s_mount_state & EXT3_ERROR_FS) {
if (es->s_last_orphan)
/* don't clear list on RO mount w/ errors */
if (es->s_last_orphan && !(s_flags & MS_RDONLY)) {
jbd_debug(1, "Errors on filesystem, "
"clearing orphan list.\n");
es->s_last_orphan = 0;
es->s_last_orphan = 0;
}
jbd_debug(1, "Skipping orphan recovery on fs with errors.\n");
return;
}