linux-master/fs/namei.c

4629 int do_linkat(int olddfd, struct filename *old, int newdfd,
4656 	error = filename_lookup(olddfd, old, how, &old_path, NULL);
4701 SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
4704 	return do_linkat(olddfd, getname_uflags(oldname, flags),
4919 int do_renameat2(int olddfd, struct filename *from, int newdfd,
4944 	error = filename_parentat(olddfd, from, lookup_flags, &old_path,
5068 SYSCALL_DEFINE5(renameat2, int, olddfd, const char __user *, oldname,
5071 	return do_renameat2(olddfd, getname(oldname), newdfd, getname(newname),
5075 SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname,
5078 	return do_renameat2(olddfd, getname(oldname), newdfd, getname(newname),