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>

diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index aaf2472..e1e7b20 100644 (file)
--- 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;
        }
 }