Unverified Commit ff2c570e authored by Christian Brauner's avatar Christian Brauner
Browse files

path: add cleanup helper 

Add a simple cleanup helper so we can cleanup struct path easily.
No need for any extra machinery. Avoid DEFINE_FREE() as it causes a
local copy of struct path to be used. Just rely on path_put() directly
called from a cleanup helper.

Link: https://lore.kernel.org/r/20240607-vfs-listmount-reverse-v1-2-7877a2bfa5e5@kernel.org


Reviewed-by: default avatarJosef Bacik <josef@toxicpanda.com>
Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 1613e604

include/linux/path.h

+9 −0
Original line number Diff line number Diff line
@@ -24,4 +24,13 @@ static inline void path_put_init(struct path *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 */