diff options
| author | Tejun Heo <tj@kernel.org> | 2015-11-20 15:55:52 -0500 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2022-04-19 00:51:09 +0300 |
| commit | 8de2dd69e0de818afa690b277bedac4c6f74b2d9 (patch) | |
| tree | 00d3662e3844bf189180b4dbd960100530e3fcd4 /include/linux/kernfs.h | |
| parent | 0fda01db8b25b8d8ce1d812dcf6ecfca0ad49d57 (diff) | |
kernfs: implement kernfs_walk_and_get()
Implement kernfs_walk_and_get() which is similar to
kernfs_find_and_get() but can walk a path instead of just a name.
v2: Use strlcpy() instead of strlen() + memcpy() as suggested by
David.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Chatur27 <jasonbright2709@gmail.com>
Diffstat (limited to 'include/linux/kernfs.h')
| -rw-r--r-- | include/linux/kernfs.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h index cc971fe29d5d..9fe4a871ec8f 100644 --- a/include/linux/kernfs.h +++ b/include/linux/kernfs.h @@ -291,6 +291,8 @@ void pr_cont_kernfs_path(struct kernfs_node *kn); struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn); struct kernfs_node *kernfs_find_and_get_ns(struct kernfs_node *parent, const char *name, const void *ns); +struct kernfs_node *kernfs_walk_and_get_ns(struct kernfs_node *parent, + const char *path, const void *ns); void kernfs_get(struct kernfs_node *kn); void kernfs_put(struct kernfs_node *kn); @@ -369,6 +371,10 @@ static inline struct kernfs_node * kernfs_find_and_get_ns(struct kernfs_node *parent, const char *name, const void *ns) { return NULL; } +static inline struct kernfs_node * +kernfs_walk_and_get_ns(struct kernfs_node *parent, const char *path, + const void *ns) +{ return NULL; } static inline void kernfs_get(struct kernfs_node *kn) { } static inline void kernfs_put(struct kernfs_node *kn) { } @@ -450,6 +456,12 @@ kernfs_find_and_get(struct kernfs_node *kn, const char *name) } static inline struct kernfs_node * +kernfs_walk_and_get(struct kernfs_node *kn, const char *path) +{ + return kernfs_walk_and_get_ns(kn, path, NULL); +} + +static inline struct kernfs_node * kernfs_create_dir(struct kernfs_node *parent, const char *name, umode_t mode, void *priv) { |