Date: Fri, 7 Jul 2000 15:38:43 +0200 From: Adrian Chadd <adrian@FreeBSD.ORG> To: Marius Bendiksen <mbendiks@eunet.no> Cc: Matthew Dillon <dillon@apollo.backplane.com>, Alfred Perlstein <bright@wintelcom.net>, freebsd-arch@FreeBSD.ORG Subject: Re: Alterations to vops Message-ID: <20000707153843.H82859@ywing.creative.net.au> In-Reply-To: <Pine.BSF.4.05.10007071504350.72231-100000@login-1.eunet.no>; from mbendiks@eunet.no on Fri, Jul 07, 2000 at 03:05:48PM %2B0200 References: <200007070143.SAA96248@apollo.backplane.com> <Pine.BSF.4.05.10007071504350.72231-100000@login-1.eunet.no>
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On Fri, Jul 07, 2000, Marius Bendiksen wrote: > > What may be happening here is stalling in namei(). find and cvsup > > are very heavy on path lookups and that combined with seek latency > > on the drive could result in filesystem locks on directories being > > held for much longer periods of time then normal. Any other process > > trying to 'open' a file (verses reading or writing an already-open file) > > would start to stall. > > Wouldn't this problem be alleviated by making the operations incremental, > rather than performing the whole thing in one go in kernelspace? Right, uhm, I'm still not entirely sure of what you mean by "incremental". Do you want to give a nice long example of how its done now and how you are proposing it should be done? Adrian -- Adrian Chadd Build a man a fire, and he's warm for the <adrian@FreeBSD.org> rest of the evening. Set a man on fire and he's warm for the rest of his life. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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