Commit 50a89335 authored by Keith Busch's avatar Keith Busch Committed by Jens Axboe
Browse files

dm-log-writes: 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: default avatarKeith Busch <kbusch@kernel.org>
Reviewed-by: default avatarMike Snitzer <snitzer@kernel.org>
Link: https://lore.kernel.org/r/20221110184501.2451620-6-kbusch@meta.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 29aa778b

drivers/md/dm-log-writes.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -875,6 +875,7 @@ 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->logical_block_size = bdev_logical_block_size(lc->dev->bdev);

	limits->physical_block_size = bdev_physical_block_size(lc->dev->bdev);

	limits->physical_block_size = bdev_physical_block_size(lc->dev->bdev);

	limits->io_min = limits->physical_block_size;

	limits->io_min = limits->physical_block_size;

	limits->dma_alignment = limits->logical_block_size - 1;

}

}





#if IS_ENABLED(CONFIG_FS_DAX)

#if IS_ENABLED(CONFIG_FS_DAX)