Re: [PATCH] dmthin: express low_water in cluster_size not sector size

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On Mon, Jun 20, 2016 at 12:53:06PM +0800, Eryu Guan wrote:
> I noticed that thin-pool sent out "reached low water mark for data
> device" event even before thin-pool device was mounted in
> generic/347, this is because low water mark was set to a too high
> value.
> 
> According to kernel thin-provisioning.txt documentation, low water
> mark should be expressed in blocks of $cluster_size, not in sectors.
> 
> "$low_water_mark is expressed in blocks of size $data_block_size."
> 
> Signed-off-by: Eryu Guan <eguan@xxxxxxxxxx>

Looks good.

Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
-- 
Dave Chinner
david@xxxxxxxxxxxxx
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