kernel/fs/namei.c

4104  * @new_dentry:	where to create the new link
4119 int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_dentry, struct inode **delegated_inode)
4128 	error = may_create(dir, new_dentry);
4152 	error = security_inode_link(old_dentry, dir, new_dentry);
4165 			error = dir->i_op->link(old_dentry, dir, new_dentry);
4175 		fsnotify_link(dir, inode, new_dentry);
4192 	struct dentry *new_dentry;
4218 	new_dentry = user_path_create(newdfd, newname, &new_path,
4220 	error = PTR_ERR(new_dentry);
4221 	if (IS_ERR(new_dentry))
4230 	error = security_path_link(old_path.dentry, &new_path, new_dentry);
4233 	error = vfs_link(old_path.dentry, new_path.dentry->d_inode, new_dentry, &delegated_inode);
4235 	done_path_create(&new_path, new_dentry);
4270  * @new_dentry:	destination
4316 	       struct inode *new_dir, struct dentry *new_dentry,
4322 	struct inode *target = new_dentry->d_inode;
4335 		error = may_create(new_dir, new_dentry);
4337 		new_is_dir = d_is_dir(new_dentry);
4340 			error = may_delete(new_dir, new_dentry, is_dir);
4342 			error = may_delete(new_dir, new_dentry, new_is_dir);
4367 	error = security_inode_rename(old_dir, old_dentry, new_dir, new_dentry,
4373 	dget(new_dentry);
4380 	if (is_local_mountpoint(old_dentry) || is_local_mountpoint(new_dentry))
4402 				       new_dir, new_dentry, flags);
4408 			shrink_dcache_parent(new_dentry);
4411 		dont_mount(new_dentry);
4412 		detach_mounts(new_dentry);
4416 			d_move(old_dentry, new_dentry);
4418 			d_exchange(old_dentry, new_dentry);
4425 	dput(new_dentry);
4431 				      new_is_dir, NULL, new_dentry);
4443 	struct dentry *old_dentry, *new_dentry;
4506 	new_dentry = __lookup_hash(&new_last, new_path.dentry, lookup_flags | target_flags);
4507 	error = PTR_ERR(new_dentry);
4508 	if (IS_ERR(new_dentry))
4511 	if ((flags & RENAME_NOREPLACE) && d_is_positive(new_dentry))
4515 		if (d_is_negative(new_dentry))
4518 		if (!d_is_dir(new_dentry)) {
4539 	if (new_dentry == trap)
4543 				     &new_path, new_dentry, flags);
4547 			   new_path.dentry->d_inode, new_dentry,
4550 	dput(new_dentry);