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Date:      Fri, 26 Sep 1997 01:45:50 +0900
From:      KATO Takenori <kato@migmatite.eps.nagoya-u.ac.jp>
To:        bde@zeta.org.au
Cc:        current@FreeBSD.ORG
Subject:   Re: Daily SNAPshots at current.freebsd.org shut down for now.
Message-ID:  <199709251645.BAA07216@gneiss.eps.nagoya-u.ac.jp>
In-Reply-To: Your message of "Fri, 26 Sep 1997 01:50:08 %2B1000"
References:  <199709251550.BAA22623@godzilla.zeta.org.au>

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> clustering is 2 too many for a production system :-) (non-clustering for
> /dev/vn must be forced independently of any mount options and sysctls,
> except possibly for debugging).

How does mount() in vfs_syscall.c know special device is /dev/vn?
When mount() can know specical device is /dev/vn, then

	if (special device is /dev/vn)
		mp->mnt_flag |= MNT_NOCLUSTER;

works, and doclusterread and doclusterwrite can be eliminated.


----
KATO Takenori <kato@ganko.eps.nagoya-u.ac.jp>
Dept. Earth Planet. Sci., Nagoya Univ.,  Nagoya, 464-01, Japan
PGP public key: finger kato@eclogite.eps.nagoya-u.ac.jp
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