diff options
| author | Jens Axboe <axboe@fb.com> | 2014-05-19 11:52:35 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-05-19 11:52:35 -0600 |
| commit | 39a9f97e5ea99e048c4980c23cf197f6e77995cb (patch) | |
| tree | b1f72ed1e852372b6d86b79157b09f77fabc5a20 /include | |
| parent | 1429d7c9467e1e3de0b0ff91d7e4d67c1a92f8a3 (diff) | |
| parent | 0d2602ca30e410e84e8bdf05c84ed5688e0a5a44 (diff) | |
Merge branch 'for-3.16/blk-mq-tagging' into for-3.16/core
Signed-off-by: Jens Axboe <axboe@fb.com>
Conflicts:
block/blk-mq-tag.c
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/blk-mq.h | 7 | ||||
| -rw-r--r-- | include/linux/blk_types.h | 2 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 3 |
3 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 952e558ee598..a06ca7b5ea05 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -54,6 +54,8 @@ struct blk_mq_hw_ctx { unsigned int numa_node; unsigned int cmd_size; /* per-request extra data */ + atomic_t nr_active; + struct blk_mq_cpu_notifier cpu_notifier; struct kobject kobj; }; @@ -70,6 +72,9 @@ struct blk_mq_tag_set { void *driver_data; struct blk_mq_tags **tags; + + struct mutex tag_list_lock; + struct list_head tag_list; }; typedef int (queue_rq_fn)(struct blk_mq_hw_ctx *, struct request *); @@ -132,8 +137,10 @@ enum { BLK_MQ_F_SHOULD_MERGE = 1 << 0, BLK_MQ_F_SHOULD_SORT = 1 << 1, + BLK_MQ_F_TAG_SHARED = 1 << 2, BLK_MQ_S_STOPPED = 0, + BLK_MQ_S_TAG_ACTIVE = 1, BLK_MQ_MAX_DEPTH = 2048, diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index aa0eaa2d0bd8..d8e4cea23a25 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -190,6 +190,7 @@ enum rq_flag_bits { __REQ_PM, /* runtime pm request */ __REQ_END, /* last of chain of requests */ __REQ_HASHED, /* on IO scheduler merge hash */ + __REQ_MQ_INFLIGHT, /* track inflight for MQ */ __REQ_NR_BITS, /* stops here */ }; @@ -243,5 +244,6 @@ enum rq_flag_bits { #define REQ_PM (1ULL << __REQ_PM) #define REQ_END (1ULL << __REQ_END) #define REQ_HASHED (1ULL << __REQ_HASHED) +#define REQ_MQ_INFLIGHT (1ULL << __REQ_MQ_INFLIGHT) #endif /* __LINUX_BLK_TYPES_H */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 94b27210641b..6bc011a09e82 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -481,6 +481,9 @@ struct request_queue { wait_queue_head_t mq_freeze_wq; struct percpu_counter mq_usage_counter; struct list_head all_q_node; + + struct blk_mq_tag_set *tag_set; + struct list_head tag_set_list; }; #define QUEUE_FLAG_QUEUED 1 /* uses generic tag queueing */ |