diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-11-02 19:29:54 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-11-03 17:31:48 +0100 |
| commit | ea435e1b9392a33deceaea2a16ebaa3397bead93 (patch) | |
| tree | 73c80a2bfed2bc37cedc4d38d9534e231c61dbd8 /fs/block_dev.c | |
| parent | block: introduce GENHD_FL_HIDDEN (diff) | |
| download | linux-ea435e1b9392a33deceaea2a16ebaa3397bead93.tar.xz linux-ea435e1b9392a33deceaea2a16ebaa3397bead93.zip | |
block: add a poll_fn callback to struct request_queue
That we we can also poll non blk-mq queues. Mostly needed for
the NVMe multipath code, but could also be useful elsewhere.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 07ddccd17801..4afa4d5ff969 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -237,7 +237,7 @@ __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter, if (!READ_ONCE(bio.bi_private)) break; if (!(iocb->ki_flags & IOCB_HIPRI) || - !blk_mq_poll(bdev_get_queue(bdev), qc)) + !blk_poll(bdev_get_queue(bdev), qc)) io_schedule(); } __set_current_state(TASK_RUNNING); @@ -402,7 +402,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) break; if (!(iocb->ki_flags & IOCB_HIPRI) || - !blk_mq_poll(bdev_get_queue(bdev), qc)) + !blk_poll(bdev_get_queue(bdev), qc)) io_schedule(); } __set_current_state(TASK_RUNNING); |