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Date:      Wed, 15 May 2002 11:36:42 -0700
From:      Terry Lambert <tlambert2@mindspring.com>
To:        Alfred Perlstein <bright@mu.org>
Cc:        Richard Sharpe <rsharpe@ns.aus.com>, freebsd-hackers@freebsd.org
Subject:   Re: File locking, closes and performance in a distributed filesystemenv
Message-ID:  <3CE2AABA.EFF78CF8@mindspring.com>
References:  <Pine.LNX.4.33.0205151117270.5078-100000@ns.aus.com> <3CE1F8E2.868B2965@mindspring.com> <20020515062425.GD1585@elvis.mu.org> <3CE21DE4.441F6B36@mindspring.com> <20020515155101.GF1585@elvis.mu.org>

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Alfred Perlstein wrote:
> He could also maintain a local cache of this per vnode, basically
> maintain a mirror of the lock list locally in order to see if a remote
> op must be done.

I think we are talking past each other.

This is what I've been suggesting since my first message,
but suggested was a political problem when going to make
the necessary VOP_ADVLOCK interface changes.

It's also one of the patches I put up a long time ago, and
which have been updated to FreeBSD 4.5 by Andrey.

He could just take Andrey's code, but if it isn't committed
back to FreeBSD, he would have compatability issues.

-- Terry

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