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authorJens Axboe <jens.axboe@oracle.com>2009-09-03 14:06:47 -0400
committerJens Axboe <jens.axboe@oracle.com>2009-09-11 08:34:33 -0400
commit01e97f6b897bf06ec83375d691f2f4d57f5b3a09 (patch)
tree72a99783584254b06b19dd41da7ecaf2d13760c3 /include/linux/blkdev.h
parentb217a903ab6581cba04f88c44284dcdd2a752561 (diff)
block: enable rq CPU completion affinity by default
Test results here look good, and on big OLTP runs it has also shown to significantly increase cycles attributed to the database and cause a performance boost. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 98b45633a27e..8bf1a10e4d88 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -463,7 +463,8 @@ struct request_queue
463 463
464#define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ 464#define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \
465 (1 << QUEUE_FLAG_CLUSTER) | \ 465 (1 << QUEUE_FLAG_CLUSTER) | \
466 (1 << QUEUE_FLAG_STACKABLE)) 466 (1 << QUEUE_FLAG_STACKABLE) | \
467 (1 << QUEUE_FLAG_SAME_COMP))
467 468
468static inline int queue_is_locked(struct request_queue *q) 469static inline int queue_is_locked(struct request_queue *q)
469{ 470{