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 99721c76225d..22ca318b9185 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)