kern/178091: [md/nfs/vfs] md filesystem layering not handled correctly when stacking on top of NFS; works with tempfs

[Garrett Cooper]

The following reply was made to PR kern/178091; it has been noted by GNATS.

From: Garrett Cooper <yaneurabeya at gmail.com>
To: d at delphij.net
Cc: freebsd-gnats-submit at freebsd.org
Subject: Re: kern/178091: [md/nfs/vfs] md filesystem layering not handled
 correctly when stacking on top of NFS; works with tempfs
Date: Tue, 23 Apr 2013 18:02:33 -0700

 On Tue, Apr 23, 2013 at 5:39 PM, Xin Li <delphij at delphij.net> wrote:
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 > I can't reproduce this with -HEAD (r249777M).
 
 What's the NFS server version and what's the NFS client version? I
 assume that they're not the same machine?
 Thanks!
 -Garrett
 
 > % sudo mount -o async undermydesk:/home/delphij /mnt
 > % sudo mdmfs -s 1g md /mnt/base
 > % mount |grep /mnt
 > build:/tank/home/delphij on /mnt (nfs, asynchronous)
 > /dev/md0 on /mnt/base (ufs, local, soft-updates)
 > % stat -f %d /mnt/freebsd /mnt/base
 > 973143814
 > 172
 >
 > Cheers,
 > - --
 > Xin LI <delphij at delphij.net>    https://www.delphij.net/
 > FreeBSD - The Power to Serve!           Live free or die
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