From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932597AbWFJAKM (ORCPT ); Fri, 9 Jun 2006 20:10:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932601AbWFJAKM (ORCPT ); Fri, 9 Jun 2006 20:10:12 -0400 Received: from py-out-1112.google.com ([64.233.166.178]:19172 "EHLO py-out-1112.google.com") by vger.kernel.org with ESMTP id S932597AbWFJAKL (ORCPT ); Fri, 9 Jun 2006 20:10:11 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:mime-version:content-type:content-transfer-encoding:content-disposition; b=KJ+6InCg0LPd51ReE0Ymy5J+auvkA05H5v2Wj3zxyU0LeiLFLG+GdOMqE+XBecwesGOQ8mbmML2m6Vjtxfm3ax4XLXPnUu1+TwkA66tcbsZrv1szXRfUwEhuBa0W9BPSCk+eGKMyg3NLcZjcdwfq3ylBl7KCHuSvn57Rxjym4q0= Message-ID: <4ae3c140606091710k7a320f2ex6390d0e01da4de9b@mail.gmail.com> Date: Fri, 9 Jun 2006 20:10:10 -0400 From: "Xin Zhao" To: linux-kernel Subject: How long can an inode structure reside in the inode_cache? Cc: linux-fsdevel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I was wondering how Linux decide to free an inode from the inode_cache? If a file is open, an inode structure will be created and put into the inode_cache, but when will this inode be free and removed from the inode_cache? after this file is closed? If so, this seems to be inefficient. Can someone tell me how Linux handle this issue? Thanks, Xin