函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-zoned.c Create Date:2022-07-27 19:41:10
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__blk_req_zone_write_lock

函数原型：void __blk_req_zone_write_lock(struct request *rq)

返回类型：void

参数：

类型参数名称
struct request *rq
55  如果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).)则返回
59  WARN_ON_ONCE(rq_flags & The per-zone write lock is held for this request )
60  rq_flags或等于The per-zone write lock is held for this request
调用者
名称描述
blk_req_zone_write_lock