Re: [PATCH 24/26] block: Do not special-case plugging of zone write operations

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On 2/2/24 15:31, Damien Le Moal wrote:
With the block layer zone write plugging being automatically done for
any write operation to a zone of a zoned block device, a regular request
plugging handled through current->plug can only ever see at most a
single write request per zone. In such case, any potential reordering
of the plugged requests will be harmless. We can thus remove the special
casing for write operations to zones and have these requests plugged as
well. This allows removing the function blk_mq_plug and instead directly
using current->plug where needed.

Signed-off-by: Damien Le Moal <dlemoal@xxxxxxxxxx>
  block/blk-core.c       |  6 ------
  block/blk-merge.c      |  3 +--
  block/blk-mq.c         |  7 +------
  block/blk-mq.h         | 31 -------------------------------
  include/linux/blkdev.h | 12 ------------
  5 files changed, 2 insertions(+), 57 deletions(-)

Reviewed-by: Hannes Reinecke <hare@xxxxxxx>


Dr. Hannes Reinecke                Kernel Storage Architect
hare@xxxxxxx                              +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), GF: Ivo Totev, Andrew McDonald,
Werner Knoblich

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