linux-ext4 - Re: [PATCH] obsolete libcom-err for SuSE e2fsprogs

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Message-ID: <20070924092539.GC2819@petra.dvoda.cz>
Date:	Mon, 24 Sep 2007 11:25:39 +0200
From:	Karel Zak <kzak@...hat.com>
To:	Theodore Tso <tytso@....edu>
Cc:	Eric Sandeen <sandeen@...hat.com>,
	Andreas Dilger <adilger@...sterfs.com>,
	linux-ext4@...r.kernel.org,
	List util-linux-ng <util-linux-ng@...r.kernel.org>
Subject: Re: [PATCH] obsolete libcom-err for SuSE e2fsprogs

On Thu, Sep 20, 2007 at 05:54:27PM -0400, Theodore Tso wrote:
> On Thu, Sep 20, 2007 at 03:22:16PM -0500, Eric Sandeen wrote:
> > I'd do this, my rpm-fu is still reasonably strong, though - I'm curious,
> > is there a compelling reason to split out just libcom-err?  what about
> > libuuid?  libblkid?  e2fsprogs is a bit of a grab bag of things.  What's
> > the rationale for the split?
> 
> Nope, there isn't much rationale unless we also split out fsck, so

 util-linux-ng is open for fsck :-)

 Seriously, when we move fsck(8) to util-linux-ng we can compile this
 util against libblkid **or** libvolume_id (udev). For example Suse prefers
 libvolume_id, but RHEL/Fedora prefers libblkid, ..etc. The util-linux-ng
 already has fsprobe API for both libraries -- port fsck(8) to
 this API is 10mins work...

> that people who don't want to use any ext 2/3/4 filesystems don't need
> to install programs like e2fsck, mke2fs, libext2fs.so, etc.

 mount(8) dependences on libblkid (or libvolume_id from udev).

 I think sane downstream distributions are using separate binary
 package(s) (RPM calls it subpackages) for libraries from e2fsprogs.

 My $0.02...

    Karel


PS. my workstation with Fedora 7:

# rpm -q --whatrequires libcom_err.so.2 libuuid.so.1 libblkid.so.1 | sort -u
apr-1.2.8-6
apr-util-1.2.8-7
cryptsetup-luks-1.0.5-4.fc7.1
curl-7.16.2-1.fc7
e2fsprogs-libs-1.40.2-2.fc7
evolution-data-server-1.10.3.1-2.fc7
gnome-vfs2-2.18.1-4.fc7
krb5-devel-1.6.1-4.fc7
krb5-libs-1.6.1-4.fc7
libpurple-2.1.1-1.fc7
neon-0.25.5-6
openssl-0.9.8b-14.fc7
pam_krb5-2.2.11-1
parted-1.8.6-4.fc7
subversion-1.4.3-4

-- 
 Karel Zak  <kzak@...hat.com>
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