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| author | Jens Axboe <axboe@kernel.dk> | 2018-11-28 14:09:07 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-11-29 18:12:27 +0100 |
| commit | 80ff2040ac3dd6d9d68d59159b0a6dffd8adc5ff (patch) | |
| tree | f40be630d16f7a35dabf5a47f46e11a01399bb6a /drivers/block/ataflop.c | |
| parent | virtio_blk: implement mq_ops->commit_rqs() hook (diff) | |
| download | linux-80ff2040ac3dd6d9d68d59159b0a6dffd8adc5ff.tar.xz linux-80ff2040ac3dd6d9d68d59159b0a6dffd8adc5ff.zip | |
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.c | 10 |
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) |