From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Mason Subject: Re: What to do about subvolumes? Date: Wed, 01 Dec 2010 11:01:37 -0500 Message-ID: <1291219269-sup-8392@think> References: <20101201142136.GD427@dhcp231-156.rdu.redhat.com> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Josef Bacik , linux-btrfs , linux-fsdevel , hch , ssorce To: C Anthony Risinger Return-path: Received: from rcsinet10.oracle.com ([148.87.113.121]:27646 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753858Ab0LAQCE (ORCPT ); Wed, 1 Dec 2010 11:02:04 -0500 In-reply-to: Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Excerpts from C Anthony Risinger's message of 2010-12-01 09:51:55 -0500= : > On Wed, Dec 1, 2010 at 8:21 AM, Josef Bacik wrote: > > > > =3D=3D=3D How do we want subvolumes to work from a user perspective= ? =3D=3D=3D > > > > 1) Users need to be able to create their own subvolumes. =C2=A0The = permission > > semantics will be absolutely the same as creating directories, so I= don't think > > this is too tricky. =C2=A0We want this because you can only take sn= apshots of > > subvolumes, and so it is important that users be able to create the= ir own > > discrete snapshottable targets. > > > > 2) Users need to be able to snapshot their subvolumes. =C2=A0This i= s basically the > > same as #1, but it bears repeating. >=20 > could it be possible to convert a directory into a volume? or at > least base a snapshot off it? I'm afraid this turns into the same complexity as creating a new volume and copying all the files/dirs in by hand. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel= " in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html