[ Upstream commit c964d62f5c ]
Device mappers had always been getting the default 511 dma mask, but
the underlying device might have a larger alignment requirement. Since
this value is used to determine alloweable direct-io alignment, this
needs to be a stackable limit.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20221110184501.2451620-2-kbusch@meta.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Stable-dep-of: 86e4d3e8d1 ("dm-crypt: provide dma_alignment limit in io_hints")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Keith Busch
7bcb1a45b8