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authorTejun Heo <htejun@gmail.com>2006-02-05 02:27:38 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-05 14:06:51 -0500
commit238e7db9357bfe1ce3d6f7ac1e60e595e9d46b7b (patch)
tree3688c8145e4bfa61a387137dafc966470569d2b8 /block
parent9a7a67af8bb02106f0fb01dd9d237332f874be9a (diff)
[PATCH] block: request_queue->ordcolor must not be flipped on SOFTBARRIER
q->ordcolor must not be flipped on SOFTBARRIER. Signed-off-by: Tejun Heo <htejun@gmail.com> Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'block')
-rw-r--r--block/elevator.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/elevator.c b/block/elevator.c
index 96a61e029ce5..2fc269f69726 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -323,7 +323,8 @@ void __elv_add_request(request_queue_t *q, struct request *rq, int where,
323 /* 323 /*
324 * toggle ordered color 324 * toggle ordered color
325 */ 325 */
326 q->ordcolor ^= 1; 326 if (blk_barrier_rq(rq))
327 q->ordcolor ^= 1;
327 328
328 /* 329 /*
329 * barriers implicitly indicate back insertion 330 * barriers implicitly indicate back insertion