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

[Christoph Hellwig]

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.