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authorJens Axboe <jens.axboe@oracle.com>2009-05-20 08:54:31 +0200
committerJens Axboe <jens.axboe@oracle.com>2009-05-20 08:54:31 +0200
commit0a7ae2ff0d29bb3b327edff4c8ab67b3834fa811 (patch)
tree88309ac99a39e15b9b23525a00a15b1564957b32 /block/blk-barrier.c
parentac36552a52a6ec8563ac0a109e2a0935673f4abb (diff)
downloadblackbird-op-linux-0a7ae2ff0d29bb3b327edff4c8ab67b3834fa811.tar.gz
blackbird-op-linux-0a7ae2ff0d29bb3b327edff4c8ab67b3834fa811.zip
block: change the tag sync vs async restriction logic
Make them fully share the tag space, but disallow async requests using the last any two slots. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/blk-barrier.c')
-rw-r--r--block/blk-barrier.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-barrier.c b/block/blk-barrier.c
index 0ab81a0a7502..0d98054cdbd7 100644
--- a/block/blk-barrier.c
+++ b/block/blk-barrier.c
@@ -218,7 +218,7 @@ static inline bool start_ordered(struct request_queue *q, struct request **rqp)
} else
skip |= QUEUE_ORDSEQ_PREFLUSH;
- if ((q->ordered & QUEUE_ORDERED_BY_DRAIN) && q->in_flight)
+ if ((q->ordered & QUEUE_ORDERED_BY_DRAIN) && queue_in_flight(q))
rq = NULL;
else
skip |= QUEUE_ORDSEQ_DRAIN;
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