From: Keith Busch kbusch@kernel.org
[ 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 kbusch@kernel.org Reviewed-by: Mike Snitzer snitzer@kernel.org Link: https://lore.kernel.org/r/20221110184501.2451620-6-kbusch@meta.com Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: Sasha Levin sashal@kernel.org --- 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 dafedbc28bcc..386148560734 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -809,6 +809,7 @@ 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; }
static struct target_type log_writes_target = {