函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\kyber-iosched.c Create Date:2022-07-27 19:27:54
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：kyber_limit_depth

函数原型：static void kyber_limit_depth(unsigned int op, struct blk_mq_alloc_data *data)

返回类型：void

参数：

类型参数名称
unsigned intop
struct blk_mq_alloc_data *data
558  如果非Reads are always treated as synchronous, as are requests with the FUA or* PREFLUSH flag. Other operations may be marked as synchronous using the* REQ_SYNC flag.则
559  kqd等于elevator_data
561  shallow_depth等于* Async request percentage, converted to per-word depth for * sbitmap_get_shallow().