From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Howells Subject: Re: Pull request for FS-Cache, including NFS patches Date: Sat, 20 Dec 2008 01:20:05 +0000 Message-ID: <13180.1229736005@redhat.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: sfr@canb.auug.org.au, nfsv4@linux-nfs.org, linux-kernel@vger.kernel.org, steved@redhat.com, dhowells@redhat.com, linux-fsdevel@vger.kernel.org, Andrew Morton , rwheeler@redhat.com To: Bryan Henderson Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nfsv4-bounces@linux-nfs.org Errors-To: nfsv4-bounces@linux-nfs.org List-Id: linux-fsdevel.vger.kernel.org Bryan Henderson wrote: > > > AFS was designed to support local disk cache, so with callbacks you can > > > get a consistent system. > > > > It's less the callbacks and more the data version number that's important. > > Maybe for consistency, but for the performance benefits of local disk > caching, I believe the callbacks are pretty important. Indeed, but he said "so with callbacks you can get a _consistent_ system". David