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xfs: clear PF_NOFREEZE for xfsaild kthread

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Since xfsaild has been converted to kthread in 0030807c, it calls
try_to_freeze() during every AIL push iteration. It however doesn't set
itself as freezable, and therefore this try_to_freeze() will never do
anything.

Before (hopefully eventually) kthread freezing gets converted to fileystem
freezing, we'd rather mark xfsaild freezable (as it can generate I/O
during suspend).

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Jiri Kosina 2015-11-02 13:46:58 +11:00 committed by Dave Chinner
parent 1f93e4a96c
commit 24ba16bb3d
1 changed files with 1 additions and 0 deletions
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fs/xfs/xfs_trans_ail.c
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@ -497,6 +497,7 @@ xfsaild(
long tout = 0; /* milliseconds */
current->flags |= PF_MEMALLOC;
set_freezable();
while (!kthread_should_stop()) {
if (tout && tout <= 20)