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block: all blk-mq requests are tagged 

Instead of setting the REQ_QUEUED flag on each of them just take it into
account in the only macro checking it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig 2014-04-14 10:30:12 +02:00 committed by Jens Axboe
parent 24d2f90309
commit fb3ccb5da7
1 changed files with 2 additions and 1 deletions
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3
include/linux/blkdev.h
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@ -1101,7 +1101,8 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk)
/*
* tag stuff
*/
#define blk_rq_tagged(rq) ((rq)->cmd_flags & REQ_QUEUED)
#define blk_rq_tagged(rq) \
((rq)->mq_ctx || ((rq)->cmd_flags & REQ_QUEUED))
extern int blk_queue_start_tag(struct request_queue *, struct request *);
extern struct request *blk_queue_find_tag(struct request_queue *, int);
extern void blk_queue_end_tag(struct request_queue *, struct request *);