From: Keith Busch <[email protected]>

[ Upstream commit 50a893359cd2643ee1afc96eedc9e7084cab49fa ]

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 <[email protected]>
Reviewed-by: Mike Snitzer <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 drivers/md/dm-log-writes.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c
index e549392e0ea5..1857abd676c4 100644
--- a/drivers/md/dm-log-writes.c
+++ b/drivers/md/dm-log-writes.c
@@ -897,6 +897,7 @@ static void log_writes_io_hints(struct dm_target *ti, 
struct queue_limits *limit
        limits->logical_block_size = bdev_logical_block_size(lc->dev->bdev);
        limits->physical_block_size = bdev_physical_block_size(lc->dev->bdev);
        limits->io_min = limits->physical_block_size;
+       limits->dma_alignment = limits->logical_block_size - 1;
 }
 
 #if IS_ENABLED(CONFIG_DAX_DRIVER)
-- 
2.35.1

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