From: Josef Bacik <jbacik@fusionio.com>
To: Liu Bo <liubo2009@cn.fujitsu.com>
Cc: David Sterba <dave@jikos.cz>,
Martin Steigerwald <Martin@lichtvoll.de>,
"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>,
Josef Bacik <JBacik@fusionio.com>
Subject: Re: 3.5-rc4: BTRFS unmountable after hard lockup
Date: Tue, 26 Jun 2012 08:49:16 -0400 [thread overview]
Message-ID: <20120626124915.GA2046@localhost.localdomain> (raw)
In-Reply-To: <4FE930D5.3050505@cn.fujitsu.com>
On Mon, Jun 25, 2012 at 09:47:33PM -0600, Liu Bo wrote:
> On 06/26/2012 06:18 AM, David Sterba wrote:
>
> > 3756 if (root->fs_info->log_root_recovering) {
> > 3757 BUG_ON(!test_bit(BTRFS_INODE_HAS_ORPHAN_ITEM,
> > 3758 &BTRFS_I(inode)->runtime_flags));
> > 3759 goto no_delete;
> > 3760 }
> >
> > and it happened during log replay, as you found already, fixable by
> > running the zero-log utility. Another way is to mount read-only, this
> > skips log replay.
> >
> > I think there could be a logic error, as this probably happens only
> > during log replay when the orphan bit is not in sync with link count,
> > but I saw that this should be handled in the fixup_inode_link_counts
> > call path. CCing Josef, if he has an idea.
> >
>
>
> It is a logic error, but mostly a finger wrong from Josef IMO... :)
>
> I'll send a patch for it.
Heh oops, sorry about that ;),
Josef
prev parent reply other threads:[~2012-06-26 12:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-25 18:29 3.5-rc4: BTRFS unmountable after hard lockup Martin Steigerwald
2012-06-25 18:48 ` Martin Steigerwald
2012-06-25 22:18 ` David Sterba
2012-06-26 3:47 ` Liu Bo
2012-06-26 12:28 ` Martin Steigerwald
2012-06-26 12:49 ` Josef Bacik [this message]
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