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keithbuschaxboe
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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: 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>
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drivers/md/dm-log-writes.c

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@@ -875,6 +875,7 @@ static void log_writes_io_hints(struct dm_target *ti, struct queue_limits *limit
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limits->logical_block_size = bdev_logical_block_size(lc->dev->bdev);
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limits->physical_block_size = bdev_physical_block_size(lc->dev->bdev);
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limits->io_min = limits->physical_block_size;
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limits->dma_alignment = limits->logical_block_size - 1;
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}
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#if IS_ENABLED(CONFIG_FS_DAX)

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