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authorTejun Heo <tj@kernel.org>2016-08-10 11:23:43 -0400
committerTejun Heo <tj@kernel.org>2016-08-10 11:23:43 -0400
commit0e0b2afdf644aa523f5eb10ce1f9e3c6cd8362ec (patch)
treef699cc831aa4cde681a3918fc5f2b4c72b0e629d /include/linux/kernfs.h
parent29b4817d4018df78086157ea3a55c1d9424a7cfc (diff)
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>
Diffstat (limited to 'include/linux/kernfs.h')
-rw-r--r--include/linux/kernfs.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 96356ef012de..7d2efd2128bb 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -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)
{ 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,
size_t buflen)
{ return NULL; }