linux-kernel - [PATCH] blk-throttle: don't call xchg on bool

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Date:	Wed, 30 Mar 2011 01:14:50 +0200
From:	Andreas Schwab <schwab@...ux-m68k.org>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	linux-kernel@...r.kernel.org, jaxboe@...ionio.com,
	paulmck@...ux.vnet.ibm.com, oleg@...hat.com
Subject: [PATCH] blk-throttle: don't call xchg on bool

xchg does not work portably with smaller than 32bit types.

Signed-off-by: Andreas Schwab <schwab@...ux-m68k.org>
---
 block/blk-throttle.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 5352bda..6c98cfe 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -77,7 +77,7 @@ struct throtl_grp {
 	unsigned long slice_end[2];
 
 	/* Some throttle limits got updated for the group */
-	bool limits_changed;
+	int limits_changed;
 };
 
 struct throtl_data
@@ -102,7 +102,7 @@ struct throtl_data
 	/* Work for dispatching throttled bios */
 	struct delayed_work throtl_work;
 
-	bool limits_changed;
+	int limits_changed;
 };
 
 enum tg_state_flags {
-- 
1.7.4.2


-- 
Andreas Schwab, schwab@...ux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."
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