From 973c01919bce7e3559b62a856b29211ec5ac325c Mon Sep 17 00:00:00 2001 From: Keith Busch Date: Wed, 7 Jan 2015 18:55:43 -0700 Subject: blk-mq: Export if requests were started Drivers can iterate over all allocated request tags, but their callback needs a way to know if the driver started the request in the first place. Signed-off-by: Keith Busch Signed-off-by: Jens Axboe --- block/blk-mq.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'block') diff --git a/block/blk-mq.c b/block/blk-mq.c index aefed96369dd..ce4811667d36 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -404,6 +404,12 @@ void blk_mq_complete_request(struct request *rq) } EXPORT_SYMBOL(blk_mq_complete_request); +int blk_mq_request_started(struct request *rq) +{ + return test_bit(REQ_ATOM_STARTED, &rq->atomic_flags); +} +EXPORT_SYMBOL_GPL(blk_mq_request_started); + void blk_mq_start_request(struct request *rq) { struct request_queue *q = rq->q; -- cgit v1.2.3