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kernfs: add @mode to kernfs_create_dir[_ns]()

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sysfs assumed 0755 for all newly created directories and kernfs
inherited it.  This assumption is unnecessarily restrictive and
inconsistent with kernfs_create_file[_ns]().  This patch adds @mode
parameter to kernfs_create_dir[_ns]() and update uses in sysfs
accordingly.  Among others, this will be useful for implementations of
the planned ->mkdir() method.

This patch doesn't introduce any behavior differences.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tejun Heo 2013-12-11 16:02:55 -05:00 • committed by Greg Kroah-Hartman
parent c637b8acbe
commit bb8b9d095c
4 changed files with 16 additions and 12 deletions
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13
include/linux/kernfs.h
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@ -210,8 +210,8 @@ struct kernfs_root *kernfs_create_root(void *priv);
void kernfs_destroy_root(struct kernfs_root *root);
struct kernfs_node *kernfs_create_dir_ns(struct kernfs_node *parent,
const char *name, void *priv,
const void *ns);
const char *name, umode_t mode,
void *priv, const void *ns);
struct kernfs_node *kernfs_create_file_ns_key(struct kernfs_node *parent,
const char *name,
umode_t mode, loff_t size,
@ -260,8 +260,8 @@ static inline struct kernfs_root *kernfs_create_root(void *priv)
static inline void kernfs_destroy_root(struct kernfs_root *root) { }
static inline struct kernfs_node *
kernfs_create_dir_ns(struct kernfs_node *parent, const char *name, void *priv,
const void *ns)
kernfs_create_dir_ns(struct kernfs_node *parent, const char *name,
umode_t mode, void *priv, const void *ns)
{ return ERR_PTR(-ENOSYS); }
static inline struct kernfs_node *
@ -314,9 +314,10 @@ kernfs_find_and_get(struct kernfs_node *kn, const char *name)
}
static inline struct kernfs_node *
kernfs_create_dir(struct kernfs_node *parent, const char *name, void *priv)
kernfs_create_dir(struct kernfs_node *parent, const char *name, umode_t mode,
void *priv)
{
return kernfs_create_dir_ns(parent, name, priv, NULL);
return kernfs_create_dir_ns(parent, name, mode, priv, NULL);
}
static inline struct kernfs_node *