函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\iov_iter.c Create Date:2022-07-27 07:20:00
Last Modify:2022-05-21 11:43:54 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：iov_iter_gap_alignment

函数原型：unsigned long iov_iter_gap_alignment(const struct iov_iter *i)

返回类型：unsigned long

参数：

类型参数名称
const struct iov_iter *i
1246  res等于0
1247  size等于count
1249  如果此条件成立可能性小(为编译器优化)(iov_iter_is_pipe(i) || iov_iter_is_discard(i))则
1250  WARN_ON(1)
1251  返回:0U的反
1262  返回:res
调用者
名称描述
blk_rq_map_user_iovlk_rq_map_user_iov - map user data to a request, for passthrough requests*@q: request queue where request should be inserted*@rq: request to map data to*@map_data: pointer to the rq_map_data holding pages (if necessary)*@iter: iovec iterator*@gfp_mask: