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Btrfs: add a cond_resched() into the worker loop

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If we have a constant stream of end_io completions or crc work,
we can hit softlockup messages from the async helper threads.  This
adds a cond_resched() into the loop to avoid them.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2011-12-15 09:29:43 -05:00
parent 306424cc88
commit 8f3b65a3d6
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/async-thread.c
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@@ -331,7 +331,7 @@ again:
run_ordered_completions(worker->workers, work); run_ordered_completions(worker->workers, work);
check_pending_worker_creates(worker); check_pending_worker_creates(worker);
cond_resched();
} }
spin_lock_irq(&worker->lock); spin_lock_irq(&worker->lock);