ext4: handle corrupted orphan list at mount
authorDuane Griffin <duaneg@dghda.com>
Fri, 11 Jul 2008 23:27:31 +0000 (19:27 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Fri, 11 Jul 2008 23:27:31 +0000 (19:27 -0400)
commit91ef4caf800030fa6e5224b8a41f8c74787b303d
treef0c058b50ac2eb9058aa8b077b2da733f8c3ee02
parentbce7f793daec3e65ec5c5705d2457b81fe7b5725
ext4: handle corrupted orphan list at mount

If the orphan node list includes valid, untruncatable nodes with nlink > 0
the ext4_orphan_cleanup loop which attempts to delete them will not do so,
causing it to loop forever. Fix by checking for such nodes in the
ext4_orphan_get function.

This patch fixes the second case (image hdb.20000009.softlockup.gz)
reported in http://bugzilla.kernel.org/show_bug.cgi?id=10882.

Signed-off-by: Duane Griffin <duaneg@dghda.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ext4/ext4.h
fs/ext4/ialloc.c
fs/ext4/inode.c