linux-ext4 - Re: [PATCH] e2fsprogs: error checking in blkid/devname.c

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Message-ID: <20080222182220.GR20118@mit.edu>
Date:	Fri, 22 Feb 2008 13:22:20 -0500
From:	Theodore Tso <tytso@....EDU>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	ext4 development <linux-ext4@...r.kernel.org>,
	pspencer@...lds.utoronto.ca
Subject: Re: [PATCH] e2fsprogs: error checking in blkid/devname.c

On Fri, Feb 22, 2008 at 10:52:36AM -0600, Eric Sandeen wrote:
> Theodore Tso wrote:
> > On Fri, Feb 22, 2008 at 10:16:53AM -0600, Eric Sandeen wrote:
> >> From a quick chat with agk, it sounds like outright failure is
> >> appropriate.  Sounds like most of the calls fail for reasons like ENOMEM
> >> (but it might be nice if it returned that, eh?)
> > 
> > So the question then is why is it that Phillip was able to seeing
> > failures when he was creating and deleting snapshots?
> > 
> > I don't mind having blkid return a failure, but it may not fix
> > Phillip's scenario which he listed in BZ #433857; yeah, he won't have
> > a core dump, which is good, but it might mean that some or all of the
> > dm volumes disappear from the blkid results.
> 
> Maybe a device-mapper bug is in order :)

Yep, especially if it can be easily reproduced.

							- Ted
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