From owner-freebsd-fs Mon Aug 24 06:55:42 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id GAA28204 for freebsd-fs-outgoing; Mon, 24 Aug 1998 06:55:42 -0700 (PDT) (envelope-from owner-freebsd-fs@FreeBSD.ORG) Received: from valerie.inf.elte.hu (valerie.inf.elte.hu [157.181.50.3]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id GAA28090 for ; Mon, 24 Aug 1998 06:55:02 -0700 (PDT) (envelope-from mingo@valerie.inf.elte.hu) Received: from localhost (mingo@localhost) by valerie.inf.elte.hu (8.8.8/8.8.8) with SMTP id PAA09907; Mon, 24 Aug 1998 15:53:51 +0200 (MET DST) Date: Mon, 24 Aug 1998 15:53:51 +0200 (MET DST) From: MOLNAR Ingo To: "Stephen C. Tweedie" cc: poipoi@famipow.com, freebsd-fs@FreeBSD.ORG, linux-fsdevel@vger.rutgers.edu Subject: Re: name cache wiping in readdir ? In-Reply-To: <199808240934.KAA21958@dax.dcs.ed.ac.uk> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Mon, 24 Aug 1998, Stephen C. Tweedie wrote: > One thing which I would like to try (we did it in earlier versions of > the primitive name cache in 2.0) is a two-level name cache, where we > promote names up to the next level on a hit and demote them when we want > to emply a list. [...] we have dentry aging which should take care of these issues. Whenever we reply to memory pressure, we are more likely to free unused dentries. -- mingo To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message