kern/131441: [unionfs] [nullfs] unionfs and/or nullfs not combineable

[Romain Garbage]

The following reply was made to PR kern/131441; it has been noted by GNATS.

From: Romain Garbage <romain.garbage at gmail.com>
To: bug-followup at FreeBSD.org, freebsd at soulrebel.in-berlin.de
Cc:  
Subject: Re: kern/131441: [unionfs] [nullfs] unionfs and/or nullfs not combineable
Date: Mon, 7 Nov 2011 21:06:18 +0100

 It seems that this is not only true for nullfs but also for ufs and zfs:
 
 # mkdir -p /tmp/testdir/{ufs,zfs}
 # mount /dev/ufs/test /tmp/testdir/ufs
 # zfs create -o mountpoint=/tmp/testdir/zfs pool/test
 # touch /tmp/testdir/zfs/testfile
 # touch /tmp/testdir/ufs/testfile
 # ls /tmp/testdir/ufs
 testfile
 # ls /tmp/testdir/zfs
 testfile
 # mkdir /tmp/testdir2
 # mount_unionfs /tmp/testdir2 /tmp/testdir
 # ls /tmp/testdir/ufs
 # ls /tmp/testdir/zfs
 #
 
 Submounts are not accessible if a unionfs is mounted on a directory.
 
 Regards,
 Romain