Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933025Ab1EJQae (ORCPT ); Tue, 10 May 2011 12:30:34 -0400 Received: from mail-bw0-f46.google.com ([209.85.214.46]:50566 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932727Ab1EJQad (ORCPT ); Tue, 10 May 2011 12:30:33 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=szeredi.hu; s=google; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-type:content-transfer-encoding; b=BaACPRZaOhnkS6cIKP9UNl0Lbvt0IY6NM3xFeDKWIiVesSwf4hxpDrT/9eK3FIjdVH UuFqG8xml1b2itXFV90FesvzKaOjki1y35A1i5ikevvNnAvboCR2zCRs0dViT4wK1rQ0 +IHEBDUsSyF0nLBhNzuz645hWPxXMdBJXA7tc= From: Miklos Szeredi To: Michal Suchanek Cc: viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, apw@canonical.com, nbd@openwrt.org, neilb@suse.de Subject: Re: [PATCH 0/6] overlay filesystem References: <1303142440-26328-1-git-send-email-miklos@szeredi.hu> Date: Tue, 10 May 2011 18:30:41 +0200 In-Reply-To: (Michal Suchanek's message of "Mon, 9 May 2011 21:14:44 +0200") Message-ID: <87vcxijz66.fsf@tucsk.pomaz.szeredi.hu> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1613 Lines: 54 Michal Suchanek writes: > Hello > > On 18 April 2011 18:00, Miklos Szeredi wrote: >> Here's an updated version of the overlay filesystem. >> >> Git tree is here: >> >>  git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs.v8 >> >> Changes from v7 to v8: >> >> - split overlayfs.c into smaller files >> >> - fix locking for copy up (reported by Al Viro) >> >> - locking analysis of copy up vs. directory rename added as a comment >> >> - tested with lockdep, fixed one lock annotation >> >> - other bug fixes >> >> To be done: >> >> - redo i_op->open, waiting for status of atomic_open() from Al >> >> - look into xattr support for tmpfs >> > > What's still required for overlayfs to get into the kernel? > > With the additional patches posted in the v8 branch (the modular build > fix and the xattr for tmpfs patch) overlayfs works for me. > > I rebuilt my linux rescue system to use > overlayfs/tmpfs+squashfs/loop/fuse.httpfs and used it a few times > without any issues. > > This system has about 1.6G data in 68599 files, 6960 directories and > 7634 symlinks (compressed to about 630M squashfs). Great, thanks for reporting on your test results. Before posting v9 I'd like to clear up the bug observed by Jordi. Then it will need to be acked by Al Viro before going into mainline. Thanks, Miklos -- 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/