ext4: Fix lock inversion in ext4_ext_truncate()
authorJan Kara <jack@suse.cz>
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)
commit9ddfc3dc75b5cc55ff3cfa586e962d252f1db9d3
tree4932f75d2f303561b0038fb5ea8985345b3ccd6b
parentcf108bca465dde0c015f32dd453b99457d31c7c7
ext4: Fix lock inversion in ext4_ext_truncate()

We cannot call ext4_orphan_add() from under i_data_sem because that
causes a lock ordering violation between i_data_sem and and the
superblock lock.

Updated with Aneesh's locking order fix

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
fs/ext4/extents.c