summaryrefslogtreecommitdiff
path: root/drivers/block/null_blk.c
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2014-09-14 03:40:08 +0400
committerJens Axboe <axboe@fb.com>2014-09-22 22:00:07 +0400
commitbf57229745f849e500ba69ff91e35bc8160a7373 (patch)
tree9b90e6c5b32e96b082ad5c135c22de2c9cc82b77 /drivers/block/null_blk.c
parent6d11fb454b161a4565c57be6f1c5527235741003 (diff)
downloadlinux-bf57229745f849e500ba69ff91e35bc8160a7373.tar.xz
blk-mq: remove REQ_END
Pass an explicit parameter for the last request in a batch to ->queue_rq instead of using a request flag. Besides being a cleaner and non-stateful interface this is also required for the next patch, which fixes the blk-mq I/O submission code to not start a time too early. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/null_blk.c')
-rw-r--r--drivers/block/null_blk.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 00d469c7f9f7..c5b7315c2c13 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -313,7 +313,8 @@ static void null_request_fn(struct request_queue *q)
}
}
-static int null_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *rq)
+static int null_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *rq,
+ bool last)
{
struct nullb_cmd *cmd = blk_mq_rq_to_pdu(rq);