Cregit: Linux 6.11: path.h

Contributors: 7
Author	Tokens	Token Proportion	Commits	Commit Proportion
Miklos Szeredi	56	47.06%	3	23.08%
Jan Blunck	35	29.41%	3	23.08%
Al Viro	20	16.81%	3	23.08%
Christian Brauner	5	4.20%	1	7.69%
Greg Kroah-Hartman	1	0.84%	1	7.69%
Kees Cook	1	0.84%	1	7.69%
Linus Torvalds (pre-git)	1	0.84%	1	7.69%
Total	119		13

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_PATH_H
#define _LINUX_PATH_H

struct dentry;
struct vfsmount;

struct path {
	struct vfsmount *mnt;
	struct dentry *dentry;
} __randomize_layout;

extern void path_get(const struct path *);
extern void path_put(const struct path *);

static inline int path_equal(const struct path *path1, const struct path *path2)
{
	return path1->mnt == path2->mnt && path1->dentry == path2->dentry;
}

static inline void path_put_init(struct path *path)
{
	path_put(path);
	*path = (struct path) { };
}

/*
 * Cleanup macro for use with __free(path_put). Avoids dereference and
 * copying @path unlike DEFINE_FREE(). path_put() will handle the empty
 * path correctly just ensure @path is initialized:
 *
 * struct path path __free(path_put) = {};
 */
#define __free_path_put path_put

#endif  /* _LINUX_PATH_H */