函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\utimes.c Create Date:2022-07-29 10:42:41
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：SYSCALL_DEFINE4

函数原型：SYSCALL_DEFINE4(utimensat, int, dfd, const char __user *, filename, struct __kernel_timespec __user *, utimes, int, flags)

返回类型：

参数：无

142  如果utimes则
143  如果get_timespec64( & tstimes[0], & utimes[0])或get_timespec64( & tstimes[1], & utimes[1])则返回:负EFAULT
148  如果 nanoseconds 恒等于UTIME_OMIT且 nanoseconds 恒等于UTIME_OMIT则返回:0
153  返回:do_utimes - change times on filename or file descriptor*@dfd: open file descriptor, -1 or AT_FDCWD*@filename: path name or NULL*@times: new times or NULL*@flags: zero or more flags (only AT_SYMLINK_NOFOLLOW for the moment)* If filename is NULL and dfd