函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-mq.h Create Date:2022-07-27 13:22:27
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__blk_mq_put_driver_tag

函数原型：static inline void __blk_mq_put_driver_tag(struct blk_mq_hw_ctx *hctx, struct request *rq)

返回类型：void

参数：

类型参数名称
struct blk_mq_hw_ctx *hctx
struct request *rq
202  blk_mq_put_tag(hctx, @tags: Tags owned by the block driver. A tag at this set is only* assigned when a request is dispatched from a hardware queue., mq_ctx, tag)
203  tag等于负1
205  如果rq_flags按位与rack inflight for MQ 则
206  rq_flags与等于rack inflight for MQ 的反
207  atomic_dec( & @nr_active: Number of active requests. Only used when a tag set is* shared across request queues.)
调用者
名称描述
blk_mq_put_driver_tag