From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Dilger Subject: Re: First stab at ea inode disk format doc updates Date: Thu, 29 Jun 2017 17:50:04 -0600 Message-ID: References: <20170622181856.GD4728@birch.djwong.org> Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Content-Type: multipart/signed; boundary="Apple-Mail=_C71BC025-33F2-4776-8766-45E2DEC1C0AF"; protocol="application/pgp-signature"; micalg=pgp-sha1 Cc: Tahsin Erdogan , Theodore Ts'o , linux-ext4@vger.kernel.org To: "Darrick J. Wong" Return-path: Received: from mail-io0-f196.google.com ([209.85.223.196]:32815 "EHLO mail-io0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751333AbdF2XuJ (ORCPT ); Thu, 29 Jun 2017 19:50:09 -0400 Received: by mail-io0-f196.google.com with SMTP id z62so1873686ioi.0 for ; Thu, 29 Jun 2017 16:50:08 -0700 (PDT) In-Reply-To: <20170622181856.GD4728@birch.djwong.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: --Apple-Mail=_C71BC025-33F2-4776-8766-45E2DEC1C0AF Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On Jun 22, 2017, at 12:18 PM, Darrick J. Wong = wrote: >=20 > I've taken a first stab at capturing the on-disk format updates for ea > inodes. Let me know about any inaccuracies (though being a wiki, you > can fix them yourself if you're so inclined). >=20 > Also -- what is the value of i_mtime (ea inode parent pointer) when = the > refcount > 1? Thanks for the update Darrick. I clarified that i_mtime/i_generation is only for refcount =3D=3D 1. I don't know if the current code will clear = these values if refcount > 1 or not, or if they are just unused in that case? > [1] https://ext4.wiki.kernel.org/index.php/Ext4_Disk_Layout Cheers, Andreas --Apple-Mail=_C71BC025-33F2-4776-8766-45E2DEC1C0AF Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iD8DBQFZVZIspIg59Q01vtYRAoAUAKDZ2cEor8wUqDpFJvH+AMAKYhnhOwCg55S5 K1yluhmfhIf5yk76d2mM7tc= =AzKY -----END PGP SIGNATURE----- --Apple-Mail=_C71BC025-33F2-4776-8766-45E2DEC1C0AF--