Re: [Nbd] nbd & discard/trim

[Paul Clements <paul.clements@...856...>]

On Thu, Aug 9, 2012 at 7:57 AM, Wouter Verhelst <w@...112...> wrote:
> On Thu, Aug 09, 2012 at 12:57:53PM +0200, folkert wrote:
>> Hi,
>>
>> What is the current way to enable discard/trim on an nbd block device?
>> My nbd server sends the appropriate flags:
>>       int flags = 1 + 4 + 8 + 32; // FLAGS, FLUSH, FUA, TRIM
>> nbd-client package is of version: 1:3.2-1
>> connected as:
>>       nbd-client bs=1024 172.16.86.1 12341 /dev/nbd0
>> but still mounting with e.g. -o noatime,discard fails.
>
> I believe the patch isn't in the kernel yet. Paul?

That's correct. The patch has not gone into mainline.