ext4: release reserved quota when block reservation for delalloc retry
authorMingming Cao <cmm@us.ibm.com>
Mon, 28 Sep 2009 19:49:52 +0000 (15:49 -0400)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 14 Dec 2009 16:06:56 +0000 (08:06 -0800)
commitf26ac96224871adf0647496e4154eabdee3689a6
treee93e47c9bd07b5730a54e7be55cf66b9b7797088
parent54088f5df9e352c41ef0f2eeb17ec9ae995ab4b3
ext4: release reserved quota when block reservation for delalloc retry

(cherry picked from commit 9f0ccfd8e07d61b413e6536ffa02fbf60d2e20d8)

ext4_da_reserve_space() can reserve quota blocks multiple times if
ext4_claim_free_blocks() fail and we retry the allocation. We should
release the quota reservation before restarting.

Bug found by Jan Kara.

Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
fs/ext4/inode.c