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kernfs: remove kernfs_path_len()

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It doesn't have any in-kernel user and the same result can be obtained
from kernfs_path(@kn, NULL, 0).  Remove it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Serge Hallyn <serge.hallyn@ubuntu.com>
This commit is contained in:
Tejun Heo 2016-08-10 11:23:44 -04:00
parent 3abb1d90f5
commit bb09c8634b
2 changed files with 0 additions and 27 deletions
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4
include/linux/kernfs.h
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@ -269,7 +269,6 @@ static inline bool kernfs_ns_enabled(struct kernfs_node *kn)
}
int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen);
size_t kernfs_path_len(struct kernfs_node *kn);
int kernfs_path_from_node(struct kernfs_node *root_kn, struct kernfs_node *kn,
char *buf, size_t buflen);
void pr_cont_kernfs_name(struct kernfs_node *kn);
@ -340,9 +339,6 @@ static inline bool kernfs_ns_enabled(struct kernfs_node *kn)
static inline int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen)
{ return -ENOSYS; }
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)