From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753228Ab1HDLMH (ORCPT ); Thu, 4 Aug 2011 07:12:07 -0400 Received: from frost.carfax.org.uk ([212.13.194.111]:55822 "EHLO frost.carfax.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752116Ab1HDLMF (ORCPT ); Thu, 4 Aug 2011 07:12:05 -0400 Date: Thu, 4 Aug 2011 12:12:02 +0100 From: Hugo Mills To: JA Magallon Cc: Linux Kernel , Btrfs mailing list Subject: Re: Metadata space in BTRFS Message-ID: <20110804111202.GD28326@carfax.org.uk> Mail-Followup-To: Hugo Mills , JA Magallon , Linux Kernel , Btrfs mailing list References: <20110804014234.01d9f05a@werewolf.home> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="wULyF7TL5taEdwHz" Content-Disposition: inline In-Reply-To: <20110804014234.01d9f05a@werewolf.home> X-GPG-Fingerprint: 8C59 86C7 81F3 93FE BB02 DDB1 20AC B3BE 515C 238D X-GPG-Key: 515C238D X-Parrot: It is no more. It has joined the choir invisible. X-IRC-Nicks: darksatanic darkersatanic darkling darkthing User-Agent: Mutt/1.5.20 (2009-06-14) X-frost.carfax.org.uk-Spam-Score: -0.7 (/) X-frost.carfax.org.uk-Spam-Report: Spam detection software, running on the system "spamd1.lon.bitfolk.com", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: [cc linux-btrfs added] On Thu, Aug 04, 2011 at 01:42:34AM +0200, JA Magallon wrote: > Hi all... > > Just a simple question. > I'm trying to use a 16GB SDHC card formatted in btrfs, and the system > eats about 2GB for its metadata space. When the card fills, the > situation is like this: > > werewolf:/media/home# btrfs fi df . > Data: total=13.22GB, used=13.22GB > System, DUP: total=8.00MB, used=4.00KB > System: total=4.00MB, used=0.00 > Metadata, DUP: total=1.00GB, used=58.43MB > Metadata: total=8.00MB, used=0.00 > > I lose about 2Gb wrt ext4. Is there any way to shrink this metadata > space ? > > TIA > [...] Content analysis details: (-0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --wULyF7TL5taEdwHz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline [cc linux-btrfs added] On Thu, Aug 04, 2011 at 01:42:34AM +0200, JA Magallon wrote: > Hi all... > > Just a simple question. > I'm trying to use a 16GB SDHC card formatted in btrfs, and the system > eats about 2GB for its metadata space. When the card fills, the > situation is like this: > > werewolf:/media/home# btrfs fi df . > Data: total=13.22GB, used=13.22GB > System, DUP: total=8.00MB, used=4.00KB > System: total=4.00MB, used=0.00 > Metadata, DUP: total=1.00GB, used=58.43MB > Metadata: total=8.00MB, used=0.00 > > I lose about 2Gb wrt ext4. Is there any way to shrink this metadata > space ? > > TIA > -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 515C238D from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- But somewhere along the line, it seems / That pimp became --- cool, and punk mainstream. --wULyF7TL5taEdwHz Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iD8DBQFOOn6CIKyzvlFcI40RAqJBAJ4j/phLrq/r4Rh167FOODv7xFEjSQCghA/C eYuH13aCXyUNyVKfIT+dcE0= =J5X2 -----END PGP SIGNATURE----- --wULyF7TL5taEdwHz--