函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\bio.c Create Date:2022-07-27 18:30:51
Last Modify:2020-03-17 23:13:58 Copyright©Brick
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函数名称：_list_copy_data - copy contents of data buffers from one chain of bios to* another*@src: source bio list*@dst: destination bio list* Stops when it reaches the end of either the @src list or @dst list - that is,* copies min(src->bi_size, dst->bi_size)

函数原型：void bio_list_copy_data(struct bio *dst, struct bio *src)

返回类型：void

参数：

类型参数名称
struct bio *dst
struct bio *src
1113  src_iter等于bi_iter
1114  dst_iter等于bi_iter
1116  当1循环
1117  如果非 residual I/O count 则
1118  src等于 request queue link
1119  如果非src则退出
1122  src_iter等于bi_iter
1125  如果非 residual I/O count 则
1126  dst等于 request queue link
1127  如果非dst则退出
1130  dst_iter等于bi_iter
1133  bio_copy_data_iter(dst, & dst_iter, src, & src_iter)