fuse: enable fuse-over-io-uring

All required parts are handled now, fuse-io-uring can
be enabled.

Signed-off-by: Bernd Schubert <bschubert@ddn.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com> # io_uring
Reviewed-by: Luis Henriques <luis@igalia.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

Author: bsbernd

fs/fuse/dev.c

@@ -2493,6 +2493,9 @@ const struct file_operations fuse_dev_operations = {
 	.fasync		= fuse_dev_fasync,
 	.unlocked_ioctl = fuse_dev_ioctl,
 	.compat_ioctl   = compat_ptr_ioctl,
+#ifdef CONFIG_FUSE_IO_URING
+	.uring_cmd	= fuse_uring_cmd,
+#endif
 };
 EXPORT_SYMBOL_GPL(fuse_dev_operations);
 

fs/fuse/dev_uring.c

@@ -1084,8 +1084,7 @@ static int fuse_uring_register(struct io_uring_cmd *cmd,
  * Entry function from io_uring to handle the given passthrough command
  * (op code IORING_OP_URING_CMD)
  */
-int __maybe_unused fuse_uring_cmd(struct io_uring_cmd *cmd,
-				  unsigned int issue_flags)
+int fuse_uring_cmd(struct io_uring_cmd *cmd, unsigned int issue_flags)
 {
 	struct fuse_dev *fud;
 	struct fuse_conn *fc;