函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\fhandle.c Create Date:2022-07-29 11:06:39
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：sys_open_by_handle_at: Open the file handle*@mountdirfd: directory file descriptor*@handle: file handle to be opened*@flags: open flags.*@mountdirfd indicate the directory file descriptor* of the mount point. file handle is decoded relative

函数原型：SYSCALL_DEFINE3(open_by_handle_at, int, mountdirfd, struct file_handle __user *, handle, int, flags)

返回类型：

参数：无

262  如果force_o_largefile()则flags或等于O_LARGEFILE
265  ret等于do_handle_open(mountdirfd, handle, flags)
266  返回:ret