函数逻辑报告

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v5.5.9

Brick Technologies Co., Ltd

Source Code:include\trace\events\block.h Create Date:2022-07-27 13:24:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：lock_split - split a single bio struct into two bio structs*@q: queue containing the bio*@bio: block operation being split*@new_sector: The starting sector for the new bio* The bio request @bio in request queue @q needs to be split into two* bio requests

函数原型：static inline void trace_block_split(struct request_queue *q, struct bio *bio, unsigned int new_sector)

返回类型：void

参数：

类型参数名称
struct request_queue *q
struct bio *bio
unsigned intnew_sector

NULL

调用者
名称描述
__blk_queue_split__blk_queue_split - split a bio and submit the second half*@q: [in] request queue pointer*@bio: [in, out] bio to be split*@nr_segs: [out] number of segments in the first bio* Split a bio into two bios, chain the two bios, submit the second half and