io_uring: reuse io_alloc_req()

Don't duplicate io_alloc_req() in io_req_caches_free() but reuse the
helper.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/6005fc88274864a49fc3096c22d8bdd605cf8576.1665891182.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 6e50f54..62be51f 100644 (file)
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -2560,18 +2560,14 @@ static int io_eventfd_unregister(struct io_ring_ctx *ctx)
 
 static void io_req_caches_free(struct io_ring_ctx *ctx)
 {
-       struct io_submit_state *state = &ctx->submit_state;
        int nr = 0;
 
        mutex_lock(&ctx->uring_lock);
-       io_flush_cached_locked_reqs(ctx, state);
+       io_flush_cached_locked_reqs(ctx, &ctx->submit_state);
 
        while (!io_req_cache_empty(ctx)) {
-               struct io_wq_work_node *node;
-               struct io_kiocb *req;
+               struct io_kiocb *req = io_alloc_req(ctx);
 
-               node = wq_stack_extract(&state->free_list);
-               req = container_of(node, struct io_kiocb, comp_list);
                kmem_cache_free(req_cachep, req);
                nr++;
        }