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authorJens Axboe <axboe@kernel.dk>2018-11-28 06:09:07 -0700
committerJens Axboe <axboe@kernel.dk>2018-11-29 10:12:27 -0700
commit80ff2040ac3dd6d9d68d59159b0a6dffd8adc5ff (patch)
treef40be630d16f7a35dabf5a47f46e11a01399bb6a /drivers/block/ataflop.c
parent944e7c87967c820a0f34a935b1f2799944099750 (diff)
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 <osandov@fb.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/ataflop.c')
-rw-r--r--drivers/block/ataflop.c10
1 files changed, 10 insertions, 0 deletions
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)