Re: Discard merging / Write same support v5

2012-09-20 Thread Jens Axboe
On 09/18/2012 06:19 PM, Martin K. Petersen wrote: I've been beating on this patch kit for the last few weeks with a bunch of different devices. I have also tested extensively with Shaohua Li's MD RAID0 discard support. The only functional change is support for discard and write same

Re: Discard merging / Write same support v5

2012-09-20 Thread James Bottomley
On Thu, 2012-09-20 at 14:33 +0200, Jens Axboe wrote: On 09/18/2012 06:19 PM, Martin K. Petersen wrote: I've been beating on this patch kit for the last few weeks with a bunch of different devices. I have also tested extensively with Shaohua Li's MD RAID0 discard support. The only

Re: Discard merging / Write same support v5

2012-09-20 Thread Jens Axboe
On 09/20/2012 02:43 PM, James Bottomley wrote: On Thu, 2012-09-20 at 14:33 +0200, Jens Axboe wrote: On 09/18/2012 06:19 PM, Martin K. Petersen wrote: I've been beating on this patch kit for the last few weeks with a bunch of different devices. I have also tested extensively with Shaohua Li's