1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_PATH_H
3 #define _LINUX_PATH_H
4 
5 struct dentry;
6 struct vfsmount;
7 
8 struct path {
9 	struct vfsmount *mnt;
10 	struct dentry *dentry;
11 } __randomize_layout;
12 
13 extern void path_get(const struct path *);
14 extern void path_put(const struct path *);
15 
path_equal(const struct path * path1,const struct path * path2)16 static inline int path_equal(const struct path *path1, const struct path *path2)
17 {
18 	return path1->mnt == path2->mnt && path1->dentry == path2->dentry;
19 }
20 
21 /*
22  * Cleanup macro for use with __free(path_put). Avoids dereference and
23  * copying @path unlike DEFINE_FREE(). path_put() will handle the empty
24  * path correctly just ensure @path is initialized:
25  *
26  * struct path path __free(path_put) = {};
27  */
28 #define __free_path_put path_put
29 
30 #endif  /* _LINUX_PATH_H */
31