From 29aa778bb66795e6a78b1c99beadc83887827868 Mon Sep 17 00:00:00 2001
From: Keith Busch <kbusch@kernel.org>
Date: Thu, 10 Nov 2022 10:45:00 -0800
Subject: [PATCH] dm-integrity: set dma_alignment limit in io_hints
Git-commit: 29aa778bb66795e6a78b1c99beadc83887827868
Patch-mainline: v6.1-rc6
References: jsc#PED-2765
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>
Signed-off-by: Coly Li <colyli@suse.de>
---
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 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;
}
}
--
2.35.3