Re: [git pull] device mapper changes for 4.21

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On Sun, 30 Dec 2018, Christoph Hellwig wrote:

> On Thu, Dec 27, 2018 at 11:09:44AM -0500, Mike Snitzer wrote:
> > - Fix various DM targets to check for device sector overflow if
> >   CONFIG_LBDAF is not set.
> 
> Question to Jens and Linus:
> 
> is there any good reason to keep the CONFIG_LBDAF=n option around?
> Less than 2gig block devices seem to be an absolutele niche, and I
> wonder if it is still worth maintaining the special case just for that.

The CONFIG_LBDAF limit is 2TiB, not 2GiB.

But you're right that 2TiB devices are common and that perhaps this option 
should go away.

Mikulas



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