From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Sterba <dave@jikos.cz>
Subject: Re: kernel BUG at fs/btrfs/delayed-inode.c:1466!
Date: Fri, 9 Mar 2012 12:40:10 +0100
Message-ID: <20120309114010.GH4334@twin.jikos.cz>
References: <CADDYkjQHvmfhmsdt7K0O74DZK6BVqxPaWh_jEi8uJ_HBEz-QhQ@mail.gmail.com> <20120308155211.GF4334@twin.jikos.cz> <CADDYkjTG-q5+pFRFt9sGKq=cgL=ZgQaNZV=2ipBsSbuvxCa3jw@mail.gmail.com> <4F595D6D.6080809@cn.fujitsu.com> <20120309105537.GG4334@twin.jikos.cz> <CADDYkjRcRbxxPErdMBOs55-gNHZA0GfxcsWNrVbAuv37b3rtvw@mail.gmail.com>
Reply-To: dave@jikos.cz
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: dave@jikos.cz, Liu Bo <liubo2009@cn.fujitsu.com>,
	linux-btrfs <linux-btrfs@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>, josef@redhat.com
To: Jacek Luczak <difrost.kernel@gmail.com>
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <CADDYkjRcRbxxPErdMBOs55-gNHZA0GfxcsWNrVbAuv37b3rtvw@mail.gmail.com>
List-ID: <linux-btrfs.vger.kernel.org>

On Fri, Mar 09, 2012 at 12:08:12PM +0100, Jacek Luczak wrote:
> For this one I've created also a report [1].
> >
> > so there is probably other problem in reservations and it just blew up during
> > the unlink call.
> 
> Could be as this came up after a longer time of throwing above WARN_ON.
> 
> I'm now cloning the Linus tree. Lets see if both will pop up on there.

The 3.3-rc6 should help in one case, with

http://thread.gmane.org/gmane.comp.file-systems.btrfs/15268

but I was able to reproduce the WARN_ON even with this patch, didn't get
to debugging it again yet.


david