From 15f73f5b3e5958f2d169fe13c420eeeeae07bbf2 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 11 Jun 2020 08:44:47 +0200 Subject: blk-mq: move failure injection out of blk_mq_complete_request Move the call to blk_should_fake_timeout out of blk_mq_complete_request and into the drivers, skipping call sites that are obvious error handlers, and remove the now superflous blk_mq_force_complete_rq helper. This ensures we don't keep injecting errors into completions that just terminate the Linux request after the hardware has been reset or the command has been aborted. Reviewed-by: Daniel Wagner Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe --- drivers/mmc/core/block.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/mmc') diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 7896952de1ac..4791c82f8f7c 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -1446,7 +1446,7 @@ static void mmc_blk_cqe_req_done(struct mmc_request *mrq) */ if (mq->in_recovery) mmc_blk_cqe_complete_rq(mq, req); - else + else if (likely(!blk_should_fake_timeout(req->q))) blk_mq_complete_request(req); } @@ -1926,7 +1926,7 @@ static void mmc_blk_hsq_req_done(struct mmc_request *mrq) */ if (mq->in_recovery) mmc_blk_cqe_complete_rq(mq, req); - else + else if (likely(!blk_should_fake_timeout(req->q))) blk_mq_complete_request(req); } @@ -1936,7 +1936,7 @@ void mmc_blk_mq_complete(struct request *req) if (mq->use_cqe) mmc_blk_cqe_complete_rq(mq, req); - else + else if (likely(!blk_should_fake_timeout(req->q))) mmc_blk_mq_complete_rq(mq, req); } @@ -1988,7 +1988,7 @@ static void mmc_blk_mq_post_req(struct mmc_queue *mq, struct request *req) */ if (mq->in_recovery) mmc_blk_mq_complete_rq(mq, req); - else + else if (likely(!blk_should_fake_timeout(req->q))) blk_mq_complete_request(req); mmc_blk_mq_dec_in_flight(mq, req); -- cgit v1.2.3 From 9eb994ec54be320b51fba48d1e52a046cbb742a5 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 8 Jul 2020 14:25:46 +0200 Subject: mmc: remove the call to check_disk_change The mmc driver doesn't support event notifications, which means that check_disk_change is a no-op. Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe --- drivers/mmc/core/block.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers/mmc') diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 4791c82f8f7c..fa313b634135 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -312,10 +312,7 @@ static int mmc_blk_open(struct block_device *bdev, fmode_t mode) mutex_lock(&block_mutex); if (md) { - if (md->usage == 2) - check_disk_change(bdev); ret = 0; - if ((mode & FMODE_WRITE) && md->read_only) { mmc_blk_put(md); ret = -EROFS; -- cgit v1.2.3