[PATCH 07/17] block: add a poll_fn callback to struct request_queue

[Hannes Reinecke]

On 10/23/2017 04:51 PM, Christoph Hellwig wrote:
> 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 at lst.de>
> ---
>  block/blk-core.c             | 11 +++++++++++
>  block/blk-mq.c               | 14 +++++---------
>  drivers/nvme/target/io-cmd.c |  2 +-
>  fs/block_dev.c               |  4 ++--
>  fs/direct-io.c               |  2 +-
>  fs/iomap.c                   |  2 +-
>  include/linux/blkdev.h       |  4 +++-
>  mm/page_io.c                 |  2 +-
>  8 files changed, 25 insertions(+), 16 deletions(-)
> Reviewed-by: Hannes Reinecke <hare at suse.com>

Cheers,

Hannes
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