Date: Tue, 7 Jun 2005 00:36:12 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: Jim Rees <rees@umich.edu> Cc: current@freebsd.org, fs@freebsd.org Subject: Re: [PATCH] IFS: Inode FileSystem Message-ID: <20050607003532.F42703@fledge.watson.org> In-Reply-To: <20050606105100.AFFBA1BBF8@citi.umich.edu> References: <20050606105100.AFFBA1BBF8@citi.umich.edu>
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On Mon, 6 Jun 2005, Jim Rees wrote: > OpenAFS could benefit from something like IFS, although I'm not > volunteering to do the work. The client has complicated code to keep > its thousands of cache files in a hierarchy just to reduce name lookup > time, and the server originally used a special "open by inode" system > call that had been hacked in to the kernel. In Arla, they use the file handle routines, which accomplish some of the same objectives -- insert for a new cache file is still expensive, but you can lookup using the file handle and avoid walking the name space. Robert N M Watson
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