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Re: [dm-devel] LVM snapshot broke between 4.14 and 4.16



On Fri, Aug 03, 2018 at 01:42:52PM -0700, Linus Torvalds wrote:
> So even in case 2, we do try to avoid versioning. More often we add a
> new flag, and say "hey, if you want the new behavior, use the new flag
> to say so". Not versioning, but explicit "I want the new behavior"
 
There are spare flags available in dm-ioctl - one could indeed turn on 
the new more-restrictive behaviour.

Alasdair


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