Commit 8f3b65a3 authored Dec 15, 2011 by Chris Mason

Btrfs: add a cond_resched() into the worker loop



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>

parent 306424cc

fs/btrfs/async-thread.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -331,7 +331,7 @@ again:
		run_ordered_completions(worker->workers, work);

		check_pending_worker_creates(worker);

		cond_resched();
		}

		spin_lock_irq(&worker->lock);