kernfs: add dummy implementation of kernfs_path_from_node()

The dummy version of kernfs_path_from_node() was missing.  This
currently doesn't break anything.  Let's add it for consistency and to
ease adding wrappers around it.

v2: Removed stray ';' which was causing build failures.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tejun Heo 2016-08-10 11:23:43 -04:00
parent 29b4817d40
commit 0e0b2afdf6
1 changed files with 5 additions and 0 deletions

View File

@ -344,6 +344,11 @@ static inline int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen)
static inline size_t kernfs_path_len(struct kernfs_node *kn) static inline size_t kernfs_path_len(struct kernfs_node *kn)
{ return 0; } { return 0; }
static inline int kernfs_path_from_node(struct kernfs_node *root_kn,
struct kernfs_node *kn,
char *buf, size_t buflen)
{ return -ENOSYS; }
static inline char *kernfs_path(struct kernfs_node *kn, char *buf, static inline char *kernfs_path(struct kernfs_node *kn, char *buf,
size_t buflen) size_t buflen)
{ return NULL; } { return NULL; }