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| author | Bart Van Assche <bart.vanassche@sandisk.com> | 2017-04-07 20:40:09 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-04-07 20:40:09 +0200 |
| commit | 6d8c6c0f97ad8a3517c42b179c1dc8e77397d0e2 (patch) | |
| tree | 9400809275952c263a8512447cf625b3c490fa61 /include | |
| parent | dm rq: Avoid that request processing stalls sporadically (diff) | |
| download | linux-6d8c6c0f97ad8a3517c42b179c1dc8e77397d0e2.tar.xz linux-6d8c6c0f97ad8a3517c42b179c1dc8e77397d0e2.zip | |
blk-mq: Restart a single queue if tag sets are shared
To improve scalability, if hardware queues are shared, restart
a single hardware queue in round-robin fashion. Rename
blk_mq_sched_restart_queues() to reflect the new semantics.
Remove blk_mq_sched_mark_restart_queue() because this function
has no callers. Remove flag QUEUE_FLAG_RESTART because this
patch removes the code that uses this flag.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/blkdev.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 5a7da607ca04..7548f332121a 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -610,7 +610,6 @@ struct request_queue { #define QUEUE_FLAG_FLUSH_NQ 25 /* flush not queueuable */ #define QUEUE_FLAG_DAX 26 /* device supports DAX */ #define QUEUE_FLAG_STATS 27 /* track rq completion times */ -#define QUEUE_FLAG_RESTART 28 /* queue needs restart at completion */ #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ (1 << QUEUE_FLAG_STACKABLE) | \ |