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Commit 3c18ef81 authored by Miklos Szeredi's avatar Miklos Szeredi
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fuse: optimize wake_up 



Normally blocked_waitq will be inactive, so optimize this case.

Signed-off-by: default avatarMiklos Szeredi <mszeredi@suse.cz>
parent 722d2bea

fs/fuse/dev.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -379,7 +379,7 @@ __releases(fc->lock) 
			fc->blocked = 0;

			fc->blocked = 0;





		/* Wake up next waiter, if any */

		/* Wake up next waiter, if any */

		if (!fc->blocked)

		if (!fc->blocked && waitqueue_active(&fc->blocked_waitq))

			wake_up(&fc->blocked_waitq);

			wake_up(&fc->blocked_waitq);





		if (fc->num_background == fc->congestion_threshold &&

		if (fc->num_background == fc->congestion_threshold &&