>>>>> "Mike" == Mike Snitzer <snit...@redhat.com> writes:

Mike> But do we know mount to somwhow be issuing WRITE SAME requests?

I'm assuming that ext4 is somehow calling sb_issue_zeroout().


Mike> Martin, why is it you weren't able to reproduce (I haven't
Mike> attempted yet)?

Dunno.

But regardless of any bugs, WRITE SAME will still need some special
attention in the context of dm-crypt.

-- 
Martin K. Petersen      Oracle Linux Engineering
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