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authorTejun Heo <tj@kernel.org>2016-08-10 11:23:44 -0400
committerTejun Heo <tj@kernel.org>2016-08-10 11:23:44 -0400
commitbb09c8634b1e484b8840fb2384d55739bfcb68bd (patch)
treedc5676528fbdd8a6da63825112988cd8f4a2d542 /fs/kernfs/dir.c
parent3abb1d90f5d930c6183534a624aa0158a71bc5eb (diff)
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>
Diffstat (limited to 'fs/kernfs/dir.c')
-rw-r--r--fs/kernfs/dir.c23
1 files changed, 0 insertions, 23 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