[PATCH 19/26] block: move the nowait flag to queue_limits

[Hannes Reinecke]

On 6/17/24 08:04, Christoph Hellwig wrote:
> Move the nowait flag into the queue_limits feature field so that it can
> be set atomically with the queue frozen.
> 
> Stacking drivers are simplified in that they now can simply set the
> flag, and blk_stack_limits will clear it when the features is not
> supported by any of the underlying devices.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> ---
>   block/blk-mq-debugfs.c        |  1 -
>   block/blk-mq.c                |  2 +-
>   block/blk-settings.c          |  9 +++++++++
>   drivers/block/brd.c           |  4 ++--
>   drivers/md/dm-table.c         | 18 +++---------------
>   drivers/md/md.c               | 18 +-----------------
>   drivers/nvme/host/multipath.c |  3 +--
>   include/linux/blkdev.h        |  9 +++++----
>   8 files changed, 22 insertions(+), 42 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare at suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                  Kernel Storage Architect
hare at suse.de                                +49 911 74053 688
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