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Commit fb02915f authored by Tejun Heo's avatar Tejun Heo
Browse files

kernfs: make kernfs_get_inode() public 



Move kernfs_get_inode() prototype from fs/kernfs/kernfs-internal.h to
include/linux/kernfs.h.  It obtains the matching inode for a
kernfs_node.

It will be used by cgroup for inode based permission checks for now
but is generally useful.

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Acked-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4d205676

fs/kernfs/kernfs-internal.h

+0 −1
Original line number Diff line number Diff line
@@ -76,7 +76,6 @@ extern struct kmem_cache *kernfs_node_cache; 
/*

 * inode.c

 */

struct inode *kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn);

void kernfs_evict_inode(struct inode *inode);

int kernfs_iop_permission(struct inode *inode, int mask);

int kernfs_iop_setattr(struct dentry *dentry, struct iattr *iattr);

include/linux/kernfs.h

+5 −0
Original line number Diff line number Diff line
@@ -277,6 +277,7 @@ void kernfs_put(struct kernfs_node *kn); 


struct kernfs_node *kernfs_node_from_dentry(struct dentry *dentry);

struct kernfs_root *kernfs_root_from_sb(struct super_block *sb);

struct inode *kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn);



struct kernfs_root *kernfs_create_root(struct kernfs_syscall_ops *scops,

				       unsigned int flags, void *priv);
@@ -352,6 +353,10 @@ static inline struct kernfs_node *kernfs_node_from_dentry(struct dentry *dentry) 
static inline struct kernfs_root *kernfs_root_from_sb(struct super_block *sb)

{ return NULL; }



static inline struct inode *

kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn)

{ return NULL; }



static inline struct kernfs_root *

kernfs_create_root(struct kernfs_syscall_ops *scops, unsigned int flags,

		   void *priv)