linux-kernel - Re: linux-next: block/drbd tree build failure

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Date:	Mon, 5 Oct 2009 09:29:29 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Philipp Reisner <philipp.reisner@...bit.com>,
	drbd-dev@...bit.com
Subject: Re: linux-next: block/drbd tree build failure

On Mon, Oct 05 2009, Stephen Rothwell wrote:
> Hi Jens,
> 
> On Mon, 5 Oct 2009 08:31:38 +0200 Jens Axboe <jens.axboe@...cle.com> wrote:
> >
> > On Mon, Oct 05 2009, Stephen Rothwell wrote:
> > > 
> > > Today's linux-next build (x86_64 allmodconfig) failed like this:
> > > 
> > > drivers/block/drbd/drbd_req.c: In function '_drbd_start_io_acct':
> > > drivers/block/drbd/drbd_req.c:43: error: subscripted value is neither array nor pointer
> > > drivers/block/drbd/drbd_req.c: In function '_drbd_end_io_acct':
> > > drivers/block/drbd/drbd_req.c:56: error: subscripted value is neither array nor pointer
> > > 
> > > I reported a similar error against the dbd tree, which was fixed, but now
> > > the commit that caused that error has been reverted and thus we get
> > > this :-(
> > > 
> > > I have reverted the drbd commits from the block tree for today.
> > 
> > That's probably my fault, not drbd. I moved it to a new branch since it
> > isn't going into 2.6.32, and perhaps dropped that fix along the way.
> > I'll look into it.
> 
> The original problem was caused by commit
> a9327cac440be4d8333bba975cbbf76045096275 ("Seperate read and write
> statistics of in_flight requests") which went into Linus' tree on Sept
> 15.  The drbd tee was fixed to cope with that change.  Then that commit
> was reverted in Linus' tree on Oct 5, so the fix to the drbd tree needs
> to be reverted as well.  Unfortunately, the drbd tree has been rebased
> into (basically) one commit, so that commit needs fixing.

Ah indeed, thanks. I'll put a fixup patch in place.

-- 
Jens Axboe

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