[dm-devel] [PATCH 26/30] ext4: do not send discards as barriers

[Tejun Heo]

On 08/25/2010 06:00 PM, Christoph Hellwig wrote:
> On Wed, Aug 25, 2010 at 05:58:42PM +0200, Christoph Hellwig wrote:
>> On Wed, Aug 25, 2010 at 05:47:43PM +0200, Tejun Heo wrote:
>>> From: Christoph Hellwig <hch at infradead.org>
>>>
>>> ext4 already uses synchronous discards, no need to add I/O barriers.
>>
>> This needs the patch that Jan sent in reply to my initial version merged
>> into it.
> 
> Actually the jbd2 patch needs it merged, but the point still stands.

Yeah, wasn't sure about that one.  Has anyone tested it?  I'll be
happy to merge it but I have no idea whether it's correct or not and
Jan didn't seem to have tested it so...  Jan, shall I merge the patch?

Thanks.

-- 
tejun