From 80ff2040ac3dd6d9d68d59159b0a6dffd8adc5ff Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 28 Nov 2018 06:09:07 -0700 Subject: [PATCH] ataflop: implement mq_ops->commit_rqs() hook We need this for blk-mq to kick things into gear, if we told it that we had more IO coming, but then failed to deliver on that promise. Reviewed-by: Omar Sandoval Reviewed-by: Ming Lei Reviewed-by: Christoph Hellwig Signed-off-by: Jens Axboe --- drivers/block/ataflop.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index 313064b1005c..b0dbbdfeb33e 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -1471,6 +1471,15 @@ static void setup_req_params( int drive ) ReqTrack, ReqSector, (unsigned long)ReqData )); } +static void ataflop_commit_rqs(struct blk_mq_hw_ctx *hctx) +{ + spin_lock_irq(&ataflop_lock); + atari_disable_irq(IRQ_MFP_FDC); + finish_fdc(); + atari_enable_irq(IRQ_MFP_FDC); + spin_unlock_irq(&ataflop_lock); +} + static blk_status_t ataflop_queue_rq(struct blk_mq_hw_ctx *hctx, const struct blk_mq_queue_data *bd) { @@ -1947,6 +1956,7 @@ static const struct block_device_operations floppy_fops = { static const struct blk_mq_ops ataflop_mq_ops = { .queue_rq = ataflop_queue_rq, + .commit_rqs = ataflop_commit_rqs, }; static struct kobject *floppy_find(dev_t dev, int *part, void *data)