On Sat, Aug 12, 2017 at 02:10:18AM +0200, Christoph Anton Mitterer wrote:
> Qu Wenruo wrote:
> >Although Btrfs can disable data CoW, nodatacow also disables data 
> >checksum, which is another main feature for btrfs.
> Then decoupling of the two should probably decoupled and support for
> notdatacow+checksumming be implemented?!

And how are you going to write your data and checksum atomically when
doing in-place updates?
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