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Re: xfstests fails on nfs4 file system

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: xfstests fails on nfs4 file system
From: Jim Rees <rees@xxxxxxxxx>
Date: Sat, 30 Jul 2011 13:08:22 -0400
Cc: xfs@xxxxxxxxxxx
In-reply-to: <20110730163326.GA19290@xxxxxxxxxxxxx>
References: <20110730151604.GA26285@xxxxxxxxx> <20110730163326.GA19290@xxxxxxxxxxxxx>
Christoph Hellwig wrote:

  On Sat, Jul 30, 2011 at 11:16:04AM -0400, Jim Rees wrote:
  > xfstests fails on nfs4 file system:
  > 
  > rhcl1# mount -t nfs -o nfsvers=4,minorversion=1 emc-1:/pnfs2 /mnt/emc-1
  > rhcl1# cd /home/rees/xfstests
  > rhcl1# setenv TEST_DEV emc-1:/pnfs2
  > rhcl1# setenv TEST_DIR /mnt/emc-1/rees/xfstests
  > rhcl1# ./check -nfs
  > common.rc: Error: $TEST_DEV (emc-1:/pnfs2) is not a MOUNTED nfs filesystem
  > /bin/df: `emc-1:/pnfs2': No such file or directory
  > /bin/df: no file systems processed
  > 
  > Originally nfs4 was a separate file system type, and it still shows up that
  > way in mtab:
  > emc-1:/pnfs2/ on /mnt/emc-1 type nfs4 (rw,relatime,vers=4,...
  > 
  > I fixed this by commenting out the type check at the end of common.rc.  I
  > don't know enough about the innards of xfstests to know what the proper fix
  > is.  Maybe a substring match, or explicit check for nfs4?
  
  What about the following patch?  I makes sure the nfs4 output gets
  normalized to nfs as early as possible.

Makes sense, and it works.

Tested-by: Jim Rees <rees@xxxxxxxxx>

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