io_uring/rsrc: remove io_rsrc_node::done

Kill io_rsrc_node::node and check refs instead, it's set when the nodes
refcount hits zero, and it won't change afterwards.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/bbde361f4010f7e8bf196f1ecca27a763b79926f.1681395792.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
index 3c1538b..5fc9d10 100644 (file)
--- a/io_uring/rsrc.c
+++ b/io_uring/rsrc.c
@@ -191,14 +191,12 @@ void io_rsrc_node_ref_zero(struct io_rsrc_node *node)
 {
        struct io_ring_ctx *ctx = node->rsrc_data->ctx;
 
-       node->done = true;
        while (!list_empty(&ctx->rsrc_ref_list)) {
                node = list_first_entry(&ctx->rsrc_ref_list,
                                            struct io_rsrc_node, node);
                /* recycle ref nodes in order */
-               if (!node->done)
+               if (node->refs)
                        break;
-
                list_del(&node->node);
                __io_rsrc_put_work(node);
        }
@@ -222,7 +220,6 @@ struct io_rsrc_node *io_rsrc_node_alloc(struct io_ring_ctx *ctx)
        ref_node->refs = 1;
        INIT_LIST_HEAD(&ref_node->node);
        INIT_LIST_HEAD(&ref_node->item_list);
-       ref_node->done = false;
        ref_node->inline_items = 0;
        return ref_node;
 }

diff --git a/io_uring/rsrc.h b/io_uring/rsrc.h
index 17dfe18..88adcb0 100644 (file)
--- a/io_uring/rsrc.h
+++ b/io_uring/rsrc.h
@@ -48,7 +48,6 @@ struct io_rsrc_node {
        struct list_head                node;
        struct llist_node               llist;
        int                             refs;
-       bool                            done;
 
        /*
         * Keeps a list of struct io_rsrc_put to be completed. Each entry