Re: [Xen-devel] [PATCH for xen-4.4] libxl: add option for discard support to xl disk configuration

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2014-01-30 at 18:30 +0100, Olaf Hering wrote:

George, any thoughts on:

> > TBH -- if you (==suse I guess?) are contemplating carrying this as a
> > backport even before 4.4 is out the door we should probably be at least
> > considering a freeze exception for 4.4. George CCd for input. (I
> > appreciate that "backport=>freeze exception" is a potentially slippery
> > slope/ripe for abuse...)
> 
> It will make less work for SUSE if this change would be incorporated
> into 4.4, and later replaced with the "final" version I sent out today.
> However, its small and will be easy to port forward to 4.4.X.
> 
> The risk of including such change is small as it requires a patched qemu
> which actually does discard (1.7?), a patched frontend driver (pvops
> 3.15?) before the codepaths it enables are actually executed.
> 
> Olaf
> 
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