linux/fs/kernfs/symlink.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * fs/kernfs/symlink.c - kernfs symlink implementation
 *
 * Copyright (c) 2001-3 Patrick Mochel
 * Copyright (c) 2007 SUSE Linux Products GmbH
 * Copyright (c) 2007, 2013 Tejun Heo <[email protected]>
 */

#include <linux/fs.h>
#include <linux/gfp.h>
#include <linux/namei.h>

#include "kernfs-internal.h"

/**
 * kernfs_create_link - create a symlink
 * @parent: directory to create the symlink in
 * @name: name of the symlink
 * @target: target node for the symlink to point to
 *
 * Return: the created node on success, ERR_PTR() value on error.
 * Ownership of the link matches ownership of the target.
 */
struct kernfs_node *kernfs_create_link(struct kernfs_node *parent,
				       const char *name,
				       struct kernfs_node *target)
{ … }

static int kernfs_get_target_path(struct kernfs_node *parent,
				  struct kernfs_node *target, char *path)
{ … }

static int kernfs_getlink(struct inode *inode, char *path)
{ … }

static const char *kernfs_iop_get_link(struct dentry *dentry,
				       struct inode *inode,
				       struct delayed_call *done)
{ … }

const struct inode_operations kernfs_symlink_iops = …;