Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-mq.c Create Date:2022-07-28 17:08:25
Last Modify:2020-03-17 23:18:05 Copyright©Brick
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Name:lk_mq_quiesce_queue() - wait until all ongoing dispatches have finished*@q: request queue

Proto:void blk_mq_quiesce_queue(struct request_queue *q)

Type:void

Parameter:

TypeParameterName
struct request_queue *q
222  bool rcu = false
224  FIXME: replace the scsi_internal_device_*block_nowait() calls in the* mpt3sas driver such that this function can be removed.
227  If @flags: BLK_MQ_F_* flags. Defines the behaviour of the queue. & BLK_MQ_F_BLOCKING Then synchronize_srcu - wait for prior SRCU read-side critical-section completion*@ssp: srcu_struct with which to synchronize
229  Else rcu = true
232  If rcu Then synchronize_rcu - wait until a grace period has elapsed
Caller
NameDescribe
elevator_switchswitch to new_e io scheduler. be careful not to introduce deadlocks -* we don't free the old io scheduler, before we have allocated what we* need for the new one. this way we have a chance of going back to the old
queue_wb_lat_store
blk_mq_update_nr_requests