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 19:29:40
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:q_bic_lookup - search into @ioc a bic associated to @bfqd.*@bfqd: the lookup key.*@ioc: the io_context of the process doing I/O.*@q: the request queue.

函数原型:static struct bfq_io_cq *bfq_bic_lookup(struct bfq_data *bfqd, struct io_context *ioc, struct request_queue *q)

返回类型:struct bfq_io_cq

参数:

类型参数名称
struct bfq_data *bfqd
struct io_context *ioc
struct request_queue *q
403  如果ioc
407  spin_lock_irqsave( & queue_lock, flags)
408  icq等于q_to_bic - convert iocontext queue structure to bfq_io_cq.*@icq: the iocontext queue.
409  spin_unlock_irqrestore( & queue_lock, flags)
411  返回:icq
414  返回:NULL
调用者
名称描述
bfq_bio_merge