From 149e10f8ff71439014dff97987e90e87e2684a16 Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Wed, 11 Oct 2017 12:53:06 +0300 Subject: block: introduce blk_mq_tagset_iter Iterator helper to apply a function on all the tags in a given tagset. export it as it will be used outside the block layer later on. Reviewed-by: Bart Van Assche Reviewed-by: Jens Axboe Reviewed-by: Max Gurtovoy Reviewed-by: Johannes Thumshirn Signed-off-by: Sagi Grimberg Signed-off-by: Christoph Hellwig --- include/linux/blk-mq.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include') diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 50c6485cb04f..6bc29f73a9aa 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -259,6 +259,8 @@ void blk_freeze_queue_start(struct request_queue *q); void blk_mq_freeze_queue_wait(struct request_queue *q); int blk_mq_freeze_queue_wait_timeout(struct request_queue *q, unsigned long timeout); +int blk_mq_tagset_iter(struct blk_mq_tag_set *set, void *data, + int (reinit_request)(void *, struct request *)); int blk_mq_reinit_tagset(struct blk_mq_tag_set *set, int (reinit_request)(void *, struct request *)); -- cgit