[PATCH] mkfs: add discard support

[Eric Sandeen]

Nathan Scott wrote:
> ----- "Christoph Hellwig" <hch at infradead.org> wrote:
> 
>>> It might be a bit cleaner to add this in with the existing
>> platform-
>>> specific code in libxfs/linux.c (or perhaps
>> include/platform_defs.h)
>>> with wrappers for the other platforms, rather than putting it
>> directly
>>> in mkfs like this?  repair may want to use this someday too, I
>> guess.
>>
>> How about this one?
>>
> 
> Looks good to me.
> 
> cheers.
> 

looks good to me too, thanks.

need to get that vertex flashed w/ trim support some day...

-eric