[PATCH 21/26] block: move the poll flag to queue_limits

[Hannes Reinecke]

On 6/17/24 08:04, Christoph Hellwig wrote:
> Move the poll 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>
> Reviewed-by: Damien Le Moal <dlemoal at kernel.org>
> ---
>   block/blk-core.c              |  5 ++--
>   block/blk-mq-debugfs.c        |  1 -
>   block/blk-mq.c                | 31 +++++++++++---------
>   block/blk-settings.c          | 10 ++++---
>   block/blk-sysfs.c             |  4 +--
>   drivers/md/dm-table.c         | 54 +++++++++--------------------------
>   drivers/nvme/host/multipath.c | 12 +-------
>   include/linux/blkdev.h        |  4 ++-
>   8 files changed, 45 insertions(+), 76 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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