[PATCH 1/5] io_uring/rsrc: split out io_free_node() helper

From: Caleb Sander Mateos
Date: Fri Feb 28 2025 - 19:00:04 EST


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@xxxxxxxxxxxxxxx>
---
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