From: Michael Lyle <mlyle@lyle.org>
Date: Tue, 9 Jan 2018 19:13:23 +0000 (-0800)
Subject: bcache: closures: move control bits one bit right
X-Git-Tag: v4.19~1763^2~59
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3609c471a1b86bffc812d8a2f0299892aa11a5e6;p=platform%2Fkernel%2Flinux-rpi.git

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>
---

diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h
index 392a87c..3b9dfc9 100644
--- a/drivers/md/bcache/closure.h
+++ b/drivers/md/bcache/closure.h
@@ -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					\