[dm-devel] [PATCH AUTOSEL 5.15 24/31] dm-integrity: set dma_alignment limit in io_hints
Sasha Levin
sashal at kernel.org
Wed Nov 23 12:42:25 UTC 2022
From: Keith Busch <kbusch at kernel.org>
[ Upstream commit 29aa778bb66795e6a78b1c99beadc83887827868 ]
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 at kernel.org>
Reviewed-by: Mike Snitzer <snitzer at kernel.org>
Link: https://lore.kernel.org/r/20221110184501.2451620-5-kbusch@meta.com
Signed-off-by: Jens Axboe <axboe at kernel.dk>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
drivers/md/dm-integrity.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index d5b827086962..cac8cca03fe8 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -3354,6 +3354,7 @@ 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;
}
}
--
2.35.1
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