SYSCALL_DEFINE5

Name:sys_name_to_handle_at: convert name to handle*@dfd: directory relative to which name is interpreted if not absolute*@name: name that should be converted to handle

Proto:SYSCALL_DEFINE5(name_to_handle_at, int, dfd, const char __user *, name, struct file_handle __user *, handle, int __user *, mnt_id, int, flag)

Type:

Parameter:Nothing

101

If (flag & ~(Follow symbolic links. | Allow empty relative pathname )) != 0 Then Return -EINVAL

104

lookup_flags = If flag & Follow symbolic links. Then llow links at the end Else 0

105

If flag & Allow empty relative pathname Then lookup_flags |= accept empty path [user_... only]

107

err = user_path_at(dfd, name, lookup_flags, & path)

108

If Not err Then

109

err = do_sys_name_to_handle( & path, handle, mnt_id)

110

path_put - put a reference to a path*@path: path to put the reference to* Given a path decrement the reference count to the dentry and the vfsmount.

112

Return err

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion