From: Neil Brown <neilb@suse.de>
Subject: Re: Rpc.mountd growing 6 MB/day
Date: Wed, 2 May 2007 21:30:59 +1000
Message-ID: <17976.30323.561073.317868@notabene.brown>
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Cc: nfs@lists.sourceforge.net,
	"Kottaridis,  Chris" <chris.kottaridis@windriver.com>
To: Gabriel Barazer <gabriel@oxeva.fr>
In-Reply-To: message from Gabriel Barazer on Wednesday May 2
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On Wednesday May 2, gabriel@oxeva.fr wrote:
> On 05/01/2007 5:47:19 +0200, Neil Brown <neilb@suse.de> wrote:
> 
> > On Tuesday May 1, gabriel@oxeva.fr wrote:
> >> I will try with mountd compiled without libblkid, although my version is 
> >> the most up to date release : 1.39 from e2fsprogs.
> > 
> > Bug is in 1.39, will be fix in 1.40.  More info at
> >    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=413661
> > 
> 
> I think the bug was indeed related to the libblkid memleak : 100's of 
> mounts later, mountd size is kept low ~ 1MB.
> 
> Is this dependency to libblkid really needed in the nfs-utils ? 
> According to the mountd sources (the only place where there is BLKID 
> related code), the get_uuid function in onyl used in the nfsd_fh 
> function, used to find a mount point from a fsid export entry.
> 
> Since the current version of e2fsprogs is still 1.39, this bug is likely 
> to happen to much people, hence the best thing to do would be disabling 
> the uuid support by default, wouldn't be ?

Yes... I guess it should default to not providing uuid support unless
e2fsprogs 1.40 or later is installed.  People with a prepatch should
still be able to do that.
I'll see if I can work out the auto-conf magic to make that happen
(though as I cannot install 1.40 or later, it might be hard to
test completely....)

NeilBrown

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