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RE: [linux-lvm] Patching a kernel that already has VFS-lock


That change did the trick.  My snapshots are now mounting.  Thanks for
your help.


-----Original Message-----
From: Patrick Caulfield [mailto:caulfield sistina com] 
Sent: Thursday, March 13, 2003 3:10 AM
To: linux-lvm sistina com
Subject: Re: [linux-lvm] Patching a kernel that already has VFS-lock

On Wed, Mar 12, 2003 at 05:18:35PM -0500, Rechenberg, Andrew wrote:
> Good day,
> I'm trying to upgrade my kernel from LVM 1.0.3 to 1.0.7.  My kernel
> 1.0.3 already has the VFS lock pactch installed and all I want to do
> upgrade the LVM code because my snapshots are misbehaving.  I should
> have to re-patch to get the VFS-lock to work should I?
> The reason I ask is because when I just patch the kernel with LVM
> and reboot all my VG's/LV's come up clean, and I can create snapshots
> but the snapshots do not mount.  I get the:
> mount: wrong fs type, bad option, bad superblock on /dev/flux1/snap,
>        or too many mounted file systems
> error which would indicate to me that the VFS lock is not working with
> my ext3 filesystem.  Does anyone have any ideas on what could be
> this problem?  
> Red Hat kernel source RPM 2.4.18-26
> LVM 1.0.7 from the Sistina FTP site

If you've managed to successfully patch LVM into the kernel (and it
sounds like
you have), all that should be needed to enable VFS-Lock functionality is
uncomment the line in lvm.c that reads:


to be


and rebuild.


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