Date: Thu, 1 Aug 1996 10:50:22 +0100 (BST) From: Doug Rabson <dfr@render.com> To: Terry Lambert <terry@lambert.org> Cc: current@FreeBSD.ORG Subject: Re: Using clustered writes for NFSv3 Message-ID: <Pine.BSI.3.95.960801105000.14900D-100000@minnow.render.com> In-Reply-To: <199607311838.LAA02488@phaeton.artisoft.com>
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On Wed, 31 Jul 1996, Terry Lambert wrote: > > In NFSv3, when a buffer is written to a server, normally the server > > doesn't write the data to stable storage immediately. Instead, it informs > > the client that the data is written but 'unstable'. The client can later > > commit the data to stable storage in a seperate call. > > [ ... ] > > > By a stroke of luck, the existing code for clustered writes in vfs_bio.c > > and vfs_cluster.c can be made to work for NFSv3 as well. I needed to > > tweak cluster_wbuild a little to copy over the B_NEEDCOMMIT flag and to > > set the b_dirtyoff and b_dirtyend fields of the cluster appropriately. > > Oh, Doug, you stud, you! Oh! I'm blushing! > > PLEASE someone, commit this change! Already done. -- Doug Rabson, Microsoft RenderMorphics Ltd. Mail: dfr@render.com Phone: +44 171 251 4411 FAX: +44 171 251 0939
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