Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-merge.c Create Date:2022-07-28 17:06:19
Last Modify:2020-03-12 14:18:49 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:attempt_back_merge

Proto:struct request *attempt_back_merge(struct request_queue *q, struct request *rq)

Type:struct request

Parameter:

TypeParameterName
struct request_queue *q
struct request *rq
836  next = elv_latter_request(q, rq)
838  If next Then Return For non-mq, this has to be called with the request spinlock acquired.* For mq with scheduling, the appropriate queue wide lock should be held.
841  Return NULL
Caller
NameDescribe
blk_mq_sched_try_merge