342 static int mqueue_fill_super(struct super_block *sb, struct fs_context *fc)  in mqueue_fill_super()  argument
363 static int mqueue_get_tree(struct fs_context *fc)  in mqueue_get_tree()  argument
365 	struct mqueue_fs_context *ctx = fc->fs_private;  in mqueue_get_tree()
367 	return get_tree_keyed(fc, mqueue_fill_super, ctx->ipc_ns);  in mqueue_get_tree()
370 static void mqueue_fs_context_free(struct fs_context *fc)  in mqueue_fs_context_free()  argument
372 	struct mqueue_fs_context *ctx = fc->fs_private;  in mqueue_fs_context_free()
378 static int mqueue_init_fs_context(struct fs_context *fc)  in mqueue_init_fs_context()  argument
387 	put_user_ns(fc->user_ns);  in mqueue_init_fs_context()
388 	fc->user_ns = get_user_ns(ctx->ipc_ns->user_ns);  in mqueue_init_fs_context()
389 	fc->fs_private = ctx;  in mqueue_init_fs_context()
390 	fc->ops = &mqueue_fs_context_ops;  in mqueue_init_fs_context()
397 	struct fs_context *fc;  in mq_create_mount()  local
400 	fc = fs_context_for_mount(&mqueue_fs_type, SB_KERNMOUNT);  in mq_create_mount()
401 	if (IS_ERR(fc))  in mq_create_mount()
402 		return ERR_CAST(fc);  in mq_create_mount()
404 	ctx = fc->fs_private;  in mq_create_mount()
407 	put_user_ns(fc->user_ns);  in mq_create_mount()
408 	fc->user_ns = get_user_ns(ctx->ipc_ns->user_ns);  in mq_create_mount()
410 	mnt = fc_mount(fc);  in mq_create_mount()
411 	put_fs_context(fc);  in mq_create_mount()