diff options
| author | Jens Axboe <axboe@fb.com> | 2014-05-28 09:50:26 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-05-28 09:50:26 -0600 |
| commit | 6178976500ae61fa7b12ebb2d3de816dc9396388 (patch) | |
| tree | 143df1479f56458801b676d038e6a7157a472981 /block/blk-mq.h | |
| parent | 6314a108ec19aefa5160535b2bfe1ca9c38efe37 (diff) | |
| parent | d852564f8c88b0604490234fdeeb6fb47e4bcc7a (diff) | |
Merge branch 'for-3.16/core' into for-3.16/drivers
mtip32xx uses blk_mq_alloc_reserved_request(), so pull in the
core changes so we have a properly merged end result.
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-mq.h')
| -rw-r--r-- | block/blk-mq.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h index 5fa14f19f752..ff5e6bf0f691 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -11,7 +11,8 @@ struct blk_mq_ctx { unsigned int cpu; unsigned int index_hw; - unsigned int ipi_redirect; + + unsigned int last_tag ____cacheline_aligned_in_smp; /* incremented at dispatch time */ unsigned long rq_dispatched[2]; @@ -22,7 +23,7 @@ struct blk_mq_ctx { struct request_queue *queue; struct kobject kobj; -}; +} ____cacheline_aligned_in_smp; void __blk_mq_complete_request(struct request *rq); void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async); @@ -31,13 +32,14 @@ void blk_mq_drain_queue(struct request_queue *q); void blk_mq_free_queue(struct request_queue *q); void blk_mq_clone_flush_request(struct request *flush_rq, struct request *orig_rq); +int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr); /* * CPU hotplug helpers */ struct blk_mq_cpu_notifier; void blk_mq_init_cpu_notifier(struct blk_mq_cpu_notifier *notifier, - void (*fn)(void *, unsigned long, unsigned int), + int (*fn)(void *, unsigned long, unsigned int), void *data); void blk_mq_register_cpu_notifier(struct blk_mq_cpu_notifier *notifier); void blk_mq_unregister_cpu_notifier(struct blk_mq_cpu_notifier *notifier); @@ -50,7 +52,15 @@ void blk_mq_disable_hotplug(void); */ extern unsigned int *blk_mq_make_queue_map(struct blk_mq_tag_set *set); extern int blk_mq_update_queue_map(unsigned int *map, unsigned int nr_queues); +extern int blk_mq_hw_queue_to_node(unsigned int *map, unsigned int); -void blk_mq_add_timer(struct request *rq); +/* + * Basic implementation of sparser bitmap, allowing the user to spread + * the bits over more cachelines. + */ +struct blk_align_bitmap { + unsigned long word; + unsigned long depth; +} ____cacheline_aligned_in_smp; #endif |