diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/blk-mq.h | 4 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 787d8a2a2ac6..de6536c14ae7 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -268,6 +268,10 @@ void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues); */ static inline void blk_mq_quiesce_queue_nowait(struct request_queue *q) { + spin_lock_irq(q->queue_lock); + queue_flag_set(QUEUE_FLAG_QUIESCED, q); + spin_unlock_irq(q->queue_lock); + blk_mq_stop_hw_queues(q); } diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 8423f6baf818..22cfba64ce81 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -619,6 +619,7 @@ struct request_queue { #define QUEUE_FLAG_POLL_STATS 28 /* collecting stats for hybrid polling */ #define QUEUE_FLAG_REGISTERED 29 /* queue has been registered to a disk */ #define QUEUE_FLAG_SCSI_PASSTHROUGH 30 /* queue supports SCSI commands */ +#define QUEUE_FLAG_QUIESCED 31 /* queue has been quiesced */ #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ (1 << QUEUE_FLAG_STACKABLE) | \ @@ -715,6 +716,7 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q) #define blk_noretry_request(rq) \ ((rq)->cmd_flags & (REQ_FAILFAST_DEV|REQ_FAILFAST_TRANSPORT| \ REQ_FAILFAST_DRIVER)) +#define blk_queue_quiesced(q) test_bit(QUEUE_FLAG_QUIESCED, &(q)->queue_flags) static inline bool blk_account_rq(struct request *rq) { |