tree 32e518737ab4b656cdf573167a6ac6308c4c3aad
parent ea9a05a1330053759c02eb2c60547085140a4cbd
author Eric Sandeen <sandeen@redhat.com> 1171100768 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1171219894 -0800

[PATCH] ext4: refuse ro to rw remount of fs with orphan inodes

In the rare case where we have skipped orphan inode processing due to a
readonly block device, and the block device subsequently changes back to
read-write, disallow a remount,rw transition of the filesystem when we have an
unprocessed orphan inodes as this would corrupt the list.

Ideally we should process the orphan inode list during the remount, but that's
trickier, and this plugs the hole for now.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Cc: "Stephen C. Tweedie" <sct@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>