kernel/fs/namei.c

4102  * @old_dentry:	object to be linked
4119 int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_dentry, struct inode **delegated_inode)
4121 	struct inode *inode = old_dentry->d_inode;
4152 	error = security_inode_link(old_dentry, dir, new_dentry);
4165 			error = dir->i_op->link(old_dentry, dir, new_dentry);
4268  * @old_dentry:	source
4315 int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
4320 	bool is_dir = d_is_dir(old_dentry);
4321 	struct inode *source = old_dentry->d_inode;
4330 	error = may_delete(old_dir, old_dentry, is_dir);
4367 	error = security_inode_rename(old_dir, old_dentry, new_dir, new_dentry,
4372 	take_dentry_name_snapshot(&old_name, old_dentry);
4380 	if (is_local_mountpoint(old_dentry) || is_local_mountpoint(new_dentry))
4401 	error = old_dir->i_op->rename(old_dir, old_dentry,
4416 			d_move(old_dentry, new_dentry);
4418 			d_exchange(old_dentry, new_dentry);
4428 			      !(flags & RENAME_EXCHANGE) ? target : NULL, old_dentry);
4430 			fsnotify_move(new_dir, old_dir, &old_dentry->d_name,
4443 	struct dentry *old_dentry, *new_dentry;
4498 	old_dentry = __lookup_hash(&old_last, old_path.dentry, lookup_flags);
4499 	error = PTR_ERR(old_dentry);
4500 	if (IS_ERR(old_dentry))
4504 	if (d_is_negative(old_dentry))
4525 	if (!d_is_dir(old_dentry)) {
4534 	if (old_dentry == trap)
4542 	error = security_path_rename(&old_path, old_dentry,
4546 	error = vfs_rename(old_path.dentry->d_inode, old_dentry,
4552 	dput(old_dentry);