io_uring: move __io_sqe_files_unregister

A preparation patch moving __io_sqe_files_unregister() definition closer
to other "files" functions without any modification.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/95caf17fe837e67bd1f878395f07049062a010d4.1619356238.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

fs/io_uring.c

@@ -7028,33 +7028,6 @@ static void io_free_file_tables(struct io_file_table *table, unsigned nr_files)
 	table->files = NULL;
 }
 
-static void __io_sqe_files_unregister(struct io_ring_ctx *ctx)
-{
-#if defined(CONFIG_UNIX)
-	if (ctx->ring_sock) {
-		struct sock *sock = ctx->ring_sock->sk;
-		struct sk_buff *skb;
-
-		while ((skb = skb_dequeue(&sock->sk_receive_queue)) != NULL)
-			kfree_skb(skb);
-	}
-#else
-	int i;
-
-	for (i = 0; i < ctx->nr_user_files; i++) {
-		struct file *file;
-
-		file = io_file_from_index(ctx, i);
-		if (file)
-			fput(file);
-	}
-#endif
-	io_free_file_tables(&ctx->file_table, ctx->nr_user_files);
-	kfree(ctx->file_data);
-	ctx->file_data = NULL;
-	ctx->nr_user_files = 0;
-}
-
 static inline void io_rsrc_ref_lock(struct io_ring_ctx *ctx)
 {
 	spin_lock_bh(&ctx->rsrc_ref_lock);
@@ -7157,6 +7130,33 @@ static struct io_rsrc_data *io_rsrc_data_alloc(struct io_ring_ctx *ctx,
 	return data;
 }
 
+static void __io_sqe_files_unregister(struct io_ring_ctx *ctx)
+{
+#if defined(CONFIG_UNIX)
+	if (ctx->ring_sock) {
+		struct sock *sock = ctx->ring_sock->sk;
+		struct sk_buff *skb;
+
+		while ((skb = skb_dequeue(&sock->sk_receive_queue)) != NULL)
+			kfree_skb(skb);
+	}
+#else
+	int i;
+
+	for (i = 0; i < ctx->nr_user_files; i++) {
+		struct file *file;
+
+		file = io_file_from_index(ctx, i);
+		if (file)
+			fput(file);
+	}
+#endif
+	io_free_file_tables(&ctx->file_table, ctx->nr_user_files);
+	kfree(ctx->file_data);
+	ctx->file_data = NULL;
+	ctx->nr_user_files = 0;
+}
+
 static int io_sqe_files_unregister(struct io_ring_ctx *ctx)
 {
 	int ret;