Commit 3609c471 authored Jan 09, 2018 by Michael Lyle Committed by Jens Axboe Jan 09, 2018

bcache: closures: move control bits one bit right



Otherwise, architectures that do negated adds of atomics (e.g. s390)
to do atomic_sub fail in closure_set_stopped.

Signed-off-by: Michael Lyle <mlyle@lyle.org>
Cc: Kent Overstreet <kent.overstreet@gmail.com>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent aa98192d

drivers/md/bcache/closure.h

+4 −4

Original line number	Diff line number	Diff line
		@@ -127,10 +127,10 @@ enum closure_state {
		* annotate where references are being transferred.
		*/

		CLOSURE_BITS_START = (1U << 27),
		CLOSURE_DESTRUCTOR = (1U << 27),
		CLOSURE_WAITING = (1U << 29),
		CLOSURE_RUNNING = (1U << 31),
		CLOSURE_BITS_START = (1U << 26),
		CLOSURE_DESTRUCTOR = (1U << 26),
		CLOSURE_WAITING = (1U << 28),
		CLOSURE_RUNNING = (1U << 30),
		};

		#define CLOSURE_GUARD_MASK \