From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: [PATCH 0 of 3] [RFC] I/O Hints Date: Fri, 06 Jun 2008 12:53:39 -0400 Message-ID: References: <20080605104042.GB20308@shareable.org> <20080606045150.GL10720@disturbed> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from agminet01.oracle.com ([141.146.126.228]:60550 "EHLO agminet01.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754746AbYFFQyD (ORCPT ); Fri, 6 Jun 2008 12:54:03 -0400 In-Reply-To: <20080606045150.GL10720@disturbed> (Dave Chinner's message of "Fri\, 6 Jun 2008 14\:51\:50 +1000") Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Dave Chinner Cc: linux-scsi@vger.kernel.org, linux-fsdevel@vger.kernel.org >>>>> "Dave" == Dave Chinner writes: Dave> So is there going to be any obvious kernel API to access all Dave> this info? i.e. if you do an online modification of a volume Dave> (e.g. add new storage of a different geometry to the volume) Dave> and then do an online grow of the filesystem, how does the Dave> filesystem get that new geometry information for the expanded Dave> area? xfs_growfs would call libdisk to see whether the topology had changed since the fs was created. -- Martin K. Petersen Oracle Linux Engineering