diff options
| author | Tejun Heo <tj@kernel.org> | 2016-08-10 11:23:44 -0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2016-08-10 11:23:44 -0400 |
| commit | bb09c8634b1e484b8840fb2384d55739bfcb68bd (patch) | |
| tree | dc5676528fbdd8a6da63825112988cd8f4a2d542 | |
| parent | 3abb1d90f5d930c6183534a624aa0158a71bc5eb (diff) | |
| download | linux-bb09c8634b1e484b8840fb2384d55739bfcb68bd.tar.bz2 | |
kernfs: remove kernfs_path_len()
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>
| -rw-r--r-- | fs/kernfs/dir.c | 23 | ||||
| -rw-r--r-- | include/linux/kernfs.h | 4 |
2 files changed, 0 insertions, 27 deletions
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c index 09242aaa8829..6e7fd37615f8 100644 --- a/fs/kernfs/dir.c +++ b/fs/kernfs/dir.c @@ -180,29 +180,6 @@ int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen) } /** - * kernfs_path_len - determine the length of the full path of a given node - * @kn: kernfs_node of interest - * - * The returned length doesn't include the space for the terminating '\0'. - */ -size_t kernfs_path_len(struct kernfs_node *kn) -{ - size_t len = 0; - unsigned long flags; - - spin_lock_irqsave(&kernfs_rename_lock, flags); - - do { - len += strlen(kn->name) + 1; - kn = kn->parent; - } while (kn && kn->parent); - - spin_unlock_irqrestore(&kernfs_rename_lock, flags); - - return len; -} - -/** * kernfs_path_from_node - build path of node @to relative to @from. * @from: parent kernfs_node relative to which we need to build the path * @to: kernfs_node of interest diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h index 4a02b1b49821..7056238fd9f5 100644 --- a/include/linux/kernfs.h +++ b/include/linux/kernfs.h @@ -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) |