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xfs: fix debug_object WARN at xfs_alloc_vextent() 

Fengguang reports:

[  780.529603] XFS (vdd): Ending clean mount
[  781.454590] ODEBUG: object is on stack, but not annotated
[  781.455433] ------------[ cut here ]------------
[  781.455433] WARNING: at /c/kernel-tests/sound/lib/debugobjects.c:301 __debug_object_init+0x173/0x1f1()
[  781.455433] Hardware name: Bochs
[  781.455433] Modules linked in:
[  781.455433] Pid: 26910, comm: kworker/0:2 Not tainted 3.4.0+ #51
[  781.455433] Call Trace:
[  781.455433]  [<ffffffff8106bc84>] warn_slowpath_common+0x83/0x9b
[  781.455433]  [<ffffffff8106bcb6>] warn_slowpath_null+0x1a/0x1c
[  781.455433]  [<ffffffff814919a5>] __debug_object_init+0x173/0x1f1
[  781.455433]  [<ffffffff81491c65>] debug_object_init+0x14/0x16
[  781.455433]  [<ffffffff8108842a>] __init_work+0x20/0x22
[  781.455433]  [<ffffffff8134ea56>] xfs_alloc_vextent+0x6c/0xd5

Use INIT_WORK_ONSTACK in xfs_alloc_vextent instead of INIT_WORK.

Reported-by: Wu Fengguang <wfg@linux.intel.com>
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Jeff Liu 2012-06-07 15:44:32 +08:00 committed by Ben Myers
parent 7d0fa3ecba
commit 0f2cf9d3d9
1 changed files with 1 additions and 1 deletions
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2
fs/xfs/xfs_alloc.c
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@ -2441,7 +2441,7 @@ xfs_alloc_vextent(
DECLARE_COMPLETION_ONSTACK(done);
args->done = &done;
INIT_WORK(&args->work, xfs_alloc_vextent_worker);
INIT_WORK_ONSTACK(&args->work, xfs_alloc_vextent_worker);
queue_work(xfs_alloc_wq, &args->work);
wait_for_completion(&done);
return args->result;