linux-kernel - [PATCH 1/5] io_uring/rsrc: split out io_free

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Message-ID: <20250228235916.670437-1-csander@purestorage.com>
Date: Fri, 28 Feb 2025 16:59:10 -0700
From: Caleb Sander Mateos <csander@...estorage.com>
To: Jens Axboe <axboe@...nel.dk>,
	Pavel Begunkov <asml.silence@...il.com>
Cc: Caleb Sander Mateos <csander@...estorage.com>,
	io-uring@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/5] io_uring/rsrc: split out io_free_node() helper

Split the freeing of the io_rsrc_node from io_free_rsrc_node(), for use
with nodes that haven't been fully initialized.

Signed-off-by: Caleb Sander Mateos <csander@...estorage.com>
---
 io_uring/rsrc.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
index 45bfb37bca1e..d941256f0d8c 100644
--- a/io_uring/rsrc.c
+++ b/io_uring/rsrc.c
@@ -485,10 +485,16 @@ int io_files_update(struct io_kiocb *req, unsigned int issue_flags)
 		req_set_fail(req);
 	io_req_set_res(req, ret, 0);
 	return IOU_OK;
 }
 
+static void io_free_node(struct io_ring_ctx *ctx, struct io_rsrc_node *node)
+{
+	if (!io_alloc_cache_put(&ctx->node_cache, node))
+		kvfree(node);
+}
+
 void io_free_rsrc_node(struct io_ring_ctx *ctx, struct io_rsrc_node *node)
 {
 	if (node->tag)
 		io_post_aux_cqe(ctx, node->tag, 0, 0);
 
@@ -504,12 +510,11 @@ void io_free_rsrc_node(struct io_ring_ctx *ctx, struct io_rsrc_node *node)
 	default:
 		WARN_ON_ONCE(1);
 		break;
 	}
 
-	if (!io_alloc_cache_put(&ctx->node_cache, node))
-		kvfree(node);
+	io_free_node(ctx, node);
 }
 
 int io_sqe_files_unregister(struct io_ring_ctx *ctx)
 {
 	if (!ctx->file_table.data.nr)
-- 
2.45.2