io_uring/rsrc: rename misleading src_node variable in io_clone_buffers()

The variable holds nodes from the destination ring's existing buffer
table. In io_clone_buffers(), the term "src" is used to refer to the
source ring.

Rename to node for clarity.

Signed-off-by: Joanne Koong <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>

Author: joannekoong

io_uring/rsrc.c

@@ -1207,11 +1207,11 @@ static int io_clone_buffers(struct io_ring_ctx *ctx, struct io_ring_ctx *src_ctx
 
 	/* Fill entries in data from dst that won't overlap with src */
 	for (i = 0; i < min(arg->dst_off, ctx->buf_table.nr); i++) {
-		struct io_rsrc_node *src_node = ctx->buf_table.nodes[i];
+		struct io_rsrc_node *node = ctx->buf_table.nodes[i];
 
-		if (src_node) {
-			data.nodes[i] = src_node;
-			src_node->refs++;
+		if (node) {
+			data.nodes[i] = node;
+			node->refs++;
 		}
 	}