[Drbd-dev] [PATCH 23/23] block: remove the discard_zeroes_data flag

[hch at lst.de]

On Thu, Mar 30, 2017 at 11:29:29AM -0400, Martin K. Petersen wrote:
> "hch at lst.de" <hch at lst.de> writes:
> 
> > Jens, any opinion?  I'd like to remove it too, but I fear it might
> > break things.  We could deprecate it first with a warning when read
> > and then remove it a few releases down the road.
> 
> I know of several apps that check this variable (as opposed to the
> ioctl).

The above was in reference to both methods..