函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\sg_split.c Create Date:2022-07-27 08:19:09
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：sg_split_mapped

函数原型：static void sg_split_mapped(struct sg_splitter *splitters, const int nb_splits)

返回类型：void

参数：

类型参数名称
struct sg_splitter *splitters
const intnb_splits
109  以i小于nb_splits循环
110  in_sg等于in_sg0
111  out_sg等于out_sg
112  以j小于nents循环
113  These macros should be used after a dma_map_sg call has been done* to get bus addresses of each of the SG entries and their lengths(out_sg)等于These macros should be used after a dma_map_sg call has been done* to get bus addresses of each of the SG entries and their lengths(in_sg)
114  sg_dma_len(out_sg)等于sg_dma_len(in_sg)
115  如果非j则
119  in_sg等于 返回下一个散列表的条目
121  sg_dma_len(--out_sg)等于length_last_sg
调用者
名称描述
sg_splitsg_split - split a scatterlist into several scatterlists*@in: the input sg list*@in_mapped_nents: the result of a dma_map_sg(in,