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From: Liu Bo <bo.li.liu@oracle.com>
To: dsterba@suse.cz
Cc: Chris Mason <clm@fb.com>, Josef Bacik <jbacik@fb.com>,
	linux-btrfs@vger.kernel.org
Subject: Re: [PATCH] Btrfs: kill BUG_ON in do_relocation
Date: Tue, 20 Sep 2016 10:59:59 -0700	[thread overview]
Message-ID: <20160920175959.GB3319@localhost.localdomain> (raw)
In-Reply-To: <20160920080343.GV16983@suse.cz>

On Tue, Sep 20, 2016 at 10:03:43AM +0200, David Sterba wrote:
> On Mon, Sep 19, 2016 at 04:11:44PM -0700, Liu Bo wrote:
> > > > That's EIO.  Sometimes the EIO is big enough we have to abort, but 
> > > > really the abort is just adding bonus.
> > > 
> > > I think we misuse the EIO where we should really return EFSCORRUPTED
> > > that's an alias for EUCLEAN, looking at xfs or ext4. EIO should be
> > > really a message that the hardware is bad.
> > 
> > I love this idea, but one quick question, when returning EUCLEAN, what
> > message do users get? 
> > 
> > "#define EUCLEAN         117     /* Structure needs cleaning */"
> 
> strerror(EUCLEAN) -> "Structure needs cleaning"

Hmm, if I was the user, I'm not sure how to deal with "Structure needs cleaning", so still need to take a glance at dmesg log.

Thanks,

-liubo

  reply	other threads:[~2016-09-20 18:00 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-14 16:27 [PATCH] Btrfs: kill BUG_ON in do_relocation Liu Bo
2016-09-14 17:13 ` Josef Bacik
2016-09-14 17:29   ` Chris Mason
2016-09-14 17:31     ` Josef Bacik
2016-09-14 18:19       ` Liu Bo
2016-09-15 19:01         ` Liu Bo
2016-09-15 18:58           ` Chris Mason
2016-09-19 18:01             ` David Sterba
2016-09-19 23:11               ` Liu Bo
2016-09-20  8:03                 ` David Sterba
2016-09-20 17:59                   ` Liu Bo [this message]
2016-09-21  8:14                     ` David Sterba
2016-09-14 18:16   ` Liu Bo
2016-09-23 21:05 ` [PATCH v2] " Liu Bo
2016-10-11 14:25   ` David Sterba

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