From 199c9a8d26638845f509b76e3c176c27e7baafd7 Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Tue, 9 Sep 2025 20:33:10 +0800 Subject: [PATCH] blk-mq: Document tags_srcu member in blk_mq_tag_set structure Add missing documentation for the tags_srcu member that was introduced to defer freeing of tags page_list to prevent use-after-free when iterating tags. Fixes htmldocs warning: WARNING: include/linux/blk-mq.h:536 struct member 'tags_srcu' not described in 'blk_mq_tag_set' Reported-by: Stephen Rothwell Signed-off-by: Ming Lei Signed-off-by: Jens Axboe --- include/linux/blk-mq.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 1325ceeb743a..b25d12545f46 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -507,6 +507,8 @@ enum hctx_type { * request_queue.tag_set_list. * @srcu: Use as lock when type of the request queue is blocking * (BLK_MQ_F_BLOCKING). + * @tags_srcu: SRCU used to defer freeing of tags page_list to prevent + * use-after-free when iterating tags. * @update_nr_hwq_lock: * Synchronize updating nr_hw_queues with add/del disk & * switching elevator. -- 2.51.0