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authorKeith Busch <kbusch@kernel.org>2022-11-10 10:45:00 -0800
committerJens Axboe <axboe@kernel.dk>2022-11-16 15:58:11 -0700
commit29aa778bb66795e6a78b1c99beadc83887827868 (patch)
tree4805019cba7862bed25503738ad29e122a6e599a /drivers
parentb3228254bb6e91e57f920227f72a1a7d81925d81 (diff)
dm-integrity: set dma_alignment limit in io_hints
This device mapper needs bio vectors to be sized and memory aligned to the logical block size. Set the minimum required queue limit accordingly. Signed-off-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Mike Snitzer <snitzer@kernel.org> Link: https://lore.kernel.org/r/20221110184501.2451620-5-kbusch@meta.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/dm-integrity.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index aaf2472df6e5..e1e7b205573f 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -3370,6 +3370,7 @@ static void dm_integrity_io_hints(struct dm_target *ti, struct queue_limits *lim
limits->logical_block_size = ic->sectors_per_block << SECTOR_SHIFT;
limits->physical_block_size = ic->sectors_per_block << SECTOR_SHIFT;
blk_limits_io_min(limits, ic->sectors_per_block << SECTOR_SHIFT);
+ limits->dma_alignment = limits->logical_block_size - 1;
}
}