函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\bfq-iosched.c Create Date:2022-07-27 19:33:47
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：bfq_depth_updated

函数原型：static void bfq_depth_updated(struct blk_mq_hw_ctx *hctx)

返回类型：void

参数：

类型参数名称
struct blk_mq_hw_ctx *hctx
6362  bfqd等于elevator_data
6363  tags等于@sched_tags: Tags owned by I/O scheduler. If there is an I/O* scheduler associated with a request queue, a tag is assigned when* that request is allocated. Else, this member is not used.
6366  min_shallow等于See the comments on bfq_limit_depth for the purpose of* the depths set in the function. Return minimum shallow depth we'll use.
6367  sbitmap_queue_min_shallow_depth( & bitmap_tags, min_shallow)
调用者
名称描述
bfq_init_hctx