Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-zoned.c Create Date:2022-07-28 18:05:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:__blk_req_zone_write_lock

Proto:void __blk_req_zone_write_lock(struct request *rq)

Type:void

Parameter:

TypeParameterName
struct request *rq
55  If WARN_ON_ONCE(st_and_set_bit - Set a bit and return its old value*@nr: Bit to set*@addr: Address to count from* This is an atomic fully-ordered operation (implied full memory barrier).) Then Return
59  WARN_ON_ONCE(rq_flags & The per-zone write lock is held for this request )
60  rq_flags |= The per-zone write lock is held for this request
Caller
NameDescribe
blk_req_zone_write_lock