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Date: Tue, 16 Feb 2016 11:05:04 +0100
From: David Sterba <dsterba@suse.cz>
To: Zhao Lei <zhaolei@cn.fujitsu.com>
Cc: "'Chris Mason'" <clm@fb.com>, "'btrfs'" <linux-btrfs@vger.kernel.org>
Subject: Re: [GIT PULL] Fujitsu for 4.5
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On Mon, Feb 15, 2016 at 12:07:01PM +0800, Zhao Lei wrote:
> Hi, David Sterba
> 
> Thanks for notice me, sorry for reply late.
> 
> > From: David Sterba [mailto:dsterba@suse.cz]
> > Sent: Wednesday, February 10, 2016 6:14 PM
> > To: Zhao Lei <zhaolei@cn.fujitsu.com>
> > Cc: 'Chris Mason' <clm@fb.com>; 'btrfs' <linux-btrfs@vger.kernel.org>
> > Subject: Re: [GIT PULL] Fujitsu for 4.5
> > 
> > On Wed, Jan 13, 2016 at 05:28:12PM +0800, Zhao Lei wrote:
> > > This is collection of some bug fix, enhance and cleanup from fujitsu
> > > against btrfs for v4.5, mainly for reada, plus some small fix and cleanup
> > > for scrub and raid56.
> > >
> > > All patchs are in btrfs-maillist, rebased on top of integration-4.5.
> > 
> > I was trying to isolate safe fixes for 4.5 but saw hangs (same as Chris
> > reported) and was not able to find the right followups.
> > 
> The problem is discussed in btrfs maillist from:
> http://www.spinics.net/lists/linux-btrfs/msg51275.html
> to
> http://www.spinics.net/lists/linux-btrfs/msg51538.html
> 
> It is fixed now.
> 
> > Can you please collect all your readahead patches sent recently? I got
> > lost. Make it a git branch and let me know, I'll add it to for-next and
> > send pull request for 4.6 later.
> I collected all reada patchs in:
> https://github.com/zhaoleidd/btrfs.git integration-4.5

There's patch

btrfs: Continue write in case of can_not_nocow

that does not count as readahead fix, so I'll pull it via different
branch.