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-rw-r--r--fs/kernfs/kernfs-internal.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/kernfs/kernfs-internal.h b/fs/kernfs/kernfs-internal.h
index e9c226f29828..0f260dcca177 100644
--- a/fs/kernfs/kernfs-internal.h
+++ b/fs/kernfs/kernfs-internal.h
@@ -70,6 +70,13 @@ struct kernfs_super_info {
};
#define kernfs_info(SB) ((struct kernfs_super_info *)(SB->s_fs_info))
+static inline struct kernfs_node *kernfs_dentry_node(struct dentry *dentry)
+{
+ if (d_really_is_negative(dentry))
+ return NULL;
+ return d_inode(dentry)->i_private;
+}
+
extern const struct super_operations kernfs_sops;
extern struct kmem_cache *kernfs_node_cache;