From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Dilger Subject: Re: Adding a field to ext2_dir_entry_2 Date: Mon, 4 Apr 2005 17:17:59 -0600 Message-ID: <20050404231759.GN1753@schnapps.adilger.int> References: <20050404225442.52A7AB730@xprdmailfe18.nwk.excite.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="MzdA25v054BPvyZa" Return-path: Content-Disposition: inline In-Reply-To: <20050404225442.52A7AB730@xprdmailfe18.nwk.excite.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: To: Vineet Joglekar Cc: linux-kernel@vger.kernel.org, linux-c-programming@vger.kernel.org --MzdA25v054BPvyZa Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Apr 04, 2005 18:54 -0400, Vineet Joglekar wrote: > I working with linux kernel 2.4.28. I want to add 1 more field to > ext2_dir_entry_2 - the new version of directory entry for ext2fs. >=20 > I did add the __u32 field to the struct ext2_dir_entry_2 defined in > ext2_fs.h I also modified the EXT2_DIR_REC_LEN macro to: >=20 > (((name_len) + 12 + EXT2_DIR_ROUND) & ~EXT2_DIR_ROUND) >=20 > (+12 instead of +8) to incorporate newly added 4 bytes field. >=20 > I made the similar changes to the mke2fs utility also. This means your filesystem will not be mountable by any other version of Linux. What is more important is why you want to do this - there are other mechanisms that may be more appropriate depending on what you are doing. Cheers, Andreas -- Andreas Dilger Principal Software Engineer Cluster File Systems, Inc. --MzdA25v054BPvyZa Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQFCUcsmpIg59Q01vtYRAio5AKDGTLyNL3tPbEesv2DyLvX+m2DMvwCfYFc7 Lyj0280/hvTSgOPYMYtRhzA= =7emj -----END PGP SIGNATURE----- --MzdA25v054BPvyZa--