函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\uio.h Create Date:2022-07-27 06:47:30
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:iter_is_iovec

函数原型:static inline bool iter_is_iovec(const struct iov_iter *i)

返回类型:bool

参数:

类型参数名称
const struct iov_iter *i
61  返回:iov_iter_type(i)恒等于 iter types
调用者
名称描述
_copy_to_iter
_copy_from_iter
_copy_from_iter_full
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:
__blkdev_direct_IO_simple
__blkdev_direct_IO
do_blockdev_direct_IOThis is a library function for use by filesystem drivers
iomap_dio_rwmap_dio_rw() always completes O_[D]SYNC writes regardless of whether the IO* is being issued as AIO or not. This allows us to optimise pure data writes* to use REQ_FUA rather than requiring generic_write_sync() to issue a* REQ_FLUSH post write