Revert "kernfs: remove kernfs_addrm_cxt"

[~andy/linux] / fs / kernfs / kernfs-internal.h

diff --git a/fs/kernfs/kernfs-internal.h b/fs/kernfs/kernfs-internal.h
index 4bc57848076cdaddc13baa77d922fbb0cc104cf3..e9ec38c86074fb79dfe4552e8a17680400ed1f4a 100644 (file)
--- a/fs/kernfs/kernfs-internal.h
+++ b/fs/kernfs/kernfs-internal.h
@@ -45,6 +45,13 @@ static inline struct kernfs_root *kernfs_root(struct kernfs_node *kn)
        return kn->dir.root;
 }
 
+/*
+ * Context structure to be used while adding/removing nodes.
+ */
+struct kernfs_addrm_cxt {
+       struct kernfs_node      *removed;
+};
+
 /*
  * mount.c
  */
@@ -94,7 +101,10 @@ extern const struct inode_operations kernfs_dir_iops;
 
 struct kernfs_node *kernfs_get_active(struct kernfs_node *kn);
 void kernfs_put_active(struct kernfs_node *kn);
-int kernfs_add_one(struct kernfs_node *kn, struct kernfs_node *parent);
+void kernfs_addrm_start(struct kernfs_addrm_cxt *acxt);
+int kernfs_add_one(struct kernfs_addrm_cxt *acxt, struct kernfs_node *kn,
+                  struct kernfs_node *parent);
+void kernfs_addrm_finish(struct kernfs_addrm_cxt *acxt);
 struct kernfs_node *kernfs_new_node(struct kernfs_root *root, const char *name,
                                    umode_t mode, unsigned flags);