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

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.comSigned-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 29aa778b
...@@ -875,6 +875,7 @@ static void log_writes_io_hints(struct dm_target *ti, struct queue_limits *limit ...@@ -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)
......
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