函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\direct-io.c Create Date:2022-07-29 10:46:38
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__blockdev_direct_IO

函数原型：ssize_t __blockdev_direct_IO(struct kiocb *iocb, struct inode *inode, struct block_device *bdev, struct iov_iter *iter, get_block_t get_block, dio_iodone_t end_io, dio_submit_t submit_io, int flags)

返回类型：ssize_t

参数：

类型参数名称
struct kiocb *iocb
struct inode *inode
struct block_device *bdev
struct iov_iter *iter
get_block_tget_block
dio_iodone_tend_io
dio_submit_tsubmit_io
intflags
1389  Prefetch instructions for Pentium III (+) and AMD Athlon (+)* It's not worth to care about 3dnow prefetches for the K6* because they are microcoded there and very slow.
1390  Prefetch instructions for Pentium III (+) and AMD Athlon (+)* It's not worth to care about 3dnow prefetches for the K6* because they are microcoded there and very slow.
1391  Prefetch instructions for Pentium III (+) and AMD Athlon (+)* It's not worth to care about 3dnow prefetches for the K6* because they are microcoded there and very slow.
1393  返回:This is a library function for use by filesystem drivers
调用者
名称描述
blockdev_direct_IO