函数逻辑报告 |
Source Code:block\bsg-lib.c |
Create Date:2022-07-27 19:14:04 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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函数名称:bsg_map_buffer
函数原型:static int bsg_map_buffer(struct bsg_buffer *buf, struct request *req)
返回类型:int
参数:
类型 | 参数 | 名称 |
---|---|---|
struct bsg_buffer * | buf | |
struct request * | req |
203 | sz等于sizeof(structscatterlist)乘* Number of scatter-gather DMA addr+len pairs after * physical address coalescing is performed. |
205 | BUG_ON(!* Number of scatter-gather DMA addr+len pairs after * physical address coalescing is performed.) |
210 | 初始化散列表 |
211 | sg_cnt等于map a request to scatterlist, return number of sg entries setup. Caller* must make sure sg can hold rq->nr_phys_segments entries |
212 | payload_len等于blk_rq_bytes(req) |
213 | 返回:0 |
名称 | 描述 |
---|---|
bsg_prepare_job | sg_prepare_job - create the bsg_job structure for the bsg request*@dev: device that is being sent the bsg request*@req: BSG request that needs a job structure |
源代码转换工具 开放的插件接口 | X |
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支持:c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现:逻辑报告 代码生成和批量转换代码 |