diff options
| author | Aditya Kali <adityakali@google.com> | 2016-01-29 02:54:04 -0600 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2022-04-19 00:51:08 +0300 |
| commit | d15f8654cf1c5e50b96e7ac64e48a0880a04a51c (patch) | |
| tree | 3579f3287f9c8103b41a50efa19b2a914dd04dee /include/linux/kernfs.h | |
| parent | de66fe2e221146eee1ae8d4fef53486cd262b2eb (diff) | |
kernfs: Add API to generate relative kernfs path
The new function kernfs_path_from_node() generates and returns kernfs
path of a given kernfs_node relative to a given parent kernfs_node.
Signed-off-by: Aditya Kali <adityakali@google.com>
Signed-off-by: Serge E. Hallyn <serge.hallyn@canonical.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Chatur27 <jasonbright2709@gmail.com>
Diffstat (limited to 'include/linux/kernfs.h')
| -rw-r--r-- | include/linux/kernfs.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h index 5b1e0293762f..12b4d960c083 100644 --- a/include/linux/kernfs.h +++ b/include/linux/kernfs.h @@ -269,8 +269,9 @@ 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); -char * __must_check kernfs_path(struct kernfs_node *kn, char *buf, - size_t buflen); +int kernfs_path_from_node(struct kernfs_node *root_kn, struct kernfs_node *kn, + char *buf, size_t buflen); +char *kernfs_path(struct kernfs_node *kn, char *buf, size_t buflen); void pr_cont_kernfs_name(struct kernfs_node *kn); void pr_cont_kernfs_path(struct kernfs_node *kn); struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn); @@ -338,8 +339,8 @@ 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 char * __must_check kernfs_path(struct kernfs_node *kn, char *buf, - size_t buflen) +static inline char *kernfs_path(struct kernfs_node *kn, char *buf, + size_t buflen) { return NULL; } static inline void pr_cont_kernfs_name(struct kernfs_node *kn) { } |