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xen-blkfront: rely on the default discard granularity

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The block layer now sets the discard granularity to the physical
block size default.  Take advantage of that in xen-blkfront and only
set the discard granularity if explicitly specified.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Link: https://lore.kernel.org/r/20240221125845.3610668-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2024-02-21 13:58:43 +01:00 committed by Jens Axboe
parent 4a718d7dba
commit 738be13632
1 changed files with 2 additions and 2 deletions
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4
drivers/block/xen-blkfront.c
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@ -951,8 +951,8 @@ static void blkif_set_queue_limits(struct blkfront_info *info)
if (info->feature_discard) {
blk_queue_max_discard_sectors(rq, UINT_MAX);
rq->limits.discard_granularity = info->discard_granularity ?:
info->physical_sector_size;
if (info->discard_granularity)
rq->limits.discard_granularity = info->discard_granularity;
rq->limits.discard_alignment = info->discard_alignment;
if (info->feature_secdiscard)
blk_queue_max_secure_erase_sectors(rq, UINT_MAX);