From: Ming Lei ming.lei@redhat.com
[ Upstream commit 3e3876d322aef82416ecc496a4d4a587e0fdf7a3 ]
When poll request is timed out, it is removed from the poll list, but not completed, so the request is leaked, and never get chance to complete.
Fix the issue by ending it in timeout handler.
Fixes: 0a593fbbc245 ("null_blk: poll queue support") Signed-off-by: Ming Lei ming.lei@redhat.com Link: https://lore.kernel.org/r/20220413084836.1571995-1-ming.lei@redhat.com Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/block/null_blk/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c index 13004beb48ca..233577b14141 100644 --- a/drivers/block/null_blk/main.c +++ b/drivers/block/null_blk/main.c @@ -1606,7 +1606,7 @@ static enum blk_eh_timer_return null_timeout_rq(struct request *rq, bool res) * Only fake timeouts need to execute blk_mq_complete_request() here. */ cmd->error = BLK_STS_TIMEOUT; - if (cmd->fake_timeout) + if (cmd->fake_timeout || hctx->type == HCTX_TYPE_POLL) blk_mq_complete_request(rq); return BLK_EH_DONE; }