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

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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@xxxxxx>
Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx>
---
  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@xxxxxxx>

Cheers,

Hannes
--
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@xxxxxxx                                +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich





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