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authorChristoph Hellwig <hch@lst.de>2017-11-02 21:29:54 +0300
committerJens Axboe <axboe@kernel.dk>2017-11-03 10:31:48 -0600
commitea435e1b9392a33deceaea2a16ebaa3397bead93 (patch)
tree73c80a2bfed2bc37cedc4d38d9534e231c61dbd8 /mm
parent8ddcd653257c18a669fcb75ee42c37054908e0d6 (diff)
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 'mm')
-rw-r--r--mm/page_io.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_io.c b/mm/page_io.c
index 21502d341a67..ff04de630c46 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -407,7 +407,7 @@ int swap_readpage(struct page *page, bool do_poll)
if (!READ_ONCE(bio->bi_private))
break;
- if (!blk_mq_poll(disk->queue, qc))
+ if (!blk_poll(disk->queue, qc))
break;
}
__set_current_state(TASK_RUNNING);