Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756811Ab2HUKye (ORCPT ); Tue, 21 Aug 2012 06:54:34 -0400 Received: from mail-lb0-f174.google.com ([209.85.217.174]:53672 "EHLO mail-lb0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756253Ab2HUKy3 (ORCPT ); Tue, 21 Aug 2012 06:54:29 -0400 Date: Tue, 21 Aug 2012 14:54:24 +0400 From: Cyrill Gorcunov To: Pavel Emelyanov Cc: "Aneesh Kumar K.V" , "J. Bruce Fields" , "linux-kernel@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , Al Viro , Alexey Dobriyan , Andrew Morton , James Bottomley , Matthew Helsley Subject: Re: [patch 4/8] fs, exportfs: Add export_encode_inode_fh helper Message-ID: <20120821105424.GA7670@moon> References: <20120815092116.700948346@openvz.org> <20120815092409.591460800@openvz.org> <87fw7habo4.fsf@skywalker.in.ibm.com> <20120820163338.GN23596@moon> <20120820183225.GB4911@fieldses.org> <20120820190606.GE27443@moon> <20120820193204.GD5779@fieldses.org> <50335261.5090504@parallels.com> <87wr0sle4v.fsf@skywalker.in.ibm.com> <503367CB.9080609@parallels.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <503367CB.9080609@parallels.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 819 Lines: 20 On Tue, Aug 21, 2012 at 02:49:47PM +0400, Pavel Emelyanov wrote: > >> > >> However, if you have some better ideas on what information about inode should be exported > >> to the userspace please share. > >> > > > > Why not use name_to_handle(fd,...) and open_by_handle(handle,..) ? > > Because we don't have an fd at hands by the time we need to know the handle. Yeah, this might be not clear from patchset itself but inotify marks carry inodes inside kernel thus it's inodes what we can use when we fetch information about targets and put it into fdinfo output. Cyrill -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/