SUJ testing update [SEC=UNCLASSIFIED]

[Wilkinson, Alex]

    0n Mon, Jan 25, 2010 at 01:38:41PM -1000, Jeff Roberson wrote: 

    >I just committed some big changes to suj to svn at 
    >svn://svn.freebsd.org/base/projects/suj/head
    >
    >You can now run softdep without journaling again.  The fast journal 
    >checker is enabled.  You need only use tunefs -j enable or tunefs -j 
    >disable.
    >
    >The SUJ flag in the filesystem moved for backwards compat reasons.  If you 
    >have an earlier SUJ volume please disable it with the old tunefs and 
    >enable again with the new tunefs.

Hi Jeff,

All looks good. I did notice two small things:

1. Your new code no longer outputs "soft-updates, journal" from mount(8) e.g.

   old code: /dev/ad8s3d on /export (ufs, NFS exported, local, soft-updates, journal)
   new code: /dev/ad8s3d on /export (ufs, NFS exported, local, soft-updates)

If you are not planning to keep the "journal" label in the output of mount(8) is
there any other mechanism to verify that a fs has actually got SUj switched on ?
(this seems to work actually: #dumpfs /dev/ad8s3d | grep -i journal).

2. dmesg(8) displays this upon bootstrap:

   WARNING: /export: GJOURNAL flag on fs but no gjournal provider below

I have done at least 4 ALT_BREAK_TO_DEBUGGERs' (~^B) -> reset ... no probs
whatsoever.

Thanks!

  -Alex

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