函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\blkdev.h Create Date:2022-07-27 06:47:10
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：blk_write_same_mergeable

函数原型：static inline bool blk_write_same_mergeable(struct bio *a, struct bio *b)

返回类型：bool

参数：

类型参数名称
struct bio *a
struct bio *b
760  如果bio_page(a)恒等于bio_page(b)且bio_offset(a)恒等于bio_offset(b)则返回:true
764  返回:false
调用者
名称描述
attempt_mergeFor non-mq, this has to be called with the request spinlock acquired.* For mq with scheduling, the appropriate queue wide lock should be held.
blk_rq_merge_ok