On Sun, Apr 8, 2012 at 2:51 PM, Canek Peláez Valdés <can...@gmail.com> wrote: > On Sun, Apr 8, 2012 at 1:41 PM, Michael Mol <mike...@gmail.com> wrote: >> On Sun, Apr 8, 2012 at 2:21 PM, Canek Peláez Valdés <can...@gmail.com> wrote: >>> On Sun, Apr 8, 2012 at 11:44 AM, <meino.cra...@gmx.de> wrote: >>>> Mick <michaelkintz...@gmail.com> [12-04-08 18:40]:
[snip] >>>> Status quo: System with ext4 and no extended attributes. >>>> Where I want to be: The same system with extended attributes. >>>> >>>> Way to go: No reformatting and mkfs and all that things. Only kernel >>>> reconfiguring / recompiling / rebooting and emerging some tools. >>>> >>>> Possible? >>> >>> As others had said, this is possible. I used this guide: >>> >>> http://www.debian-administration.org/articles/643 >>> >>> You need basically to enable the ext4-only features: >>> >>> tune2fs -O extents,uninit_bg,dir_index <partition> >> >> Um, why? Ext3 had extended attribute support, and ISTR the ext4 code >> being able to handle ext3 filesystems. > > Didn't we already had this discussion? You can mount an ext3 partition > as ext4, and it will be treated as ext4, but it will keep bein fully > backwards compatible with ext3 (i.e., you can still mount it as ext3). > This, however, negates the purpose of using ext4, as you are not using > extents: Sure, ext4 is a better filesystem than ext3. I'm not disputing that. I'm disputing that. I'm disputing two things: 1) That you need to convert a filesystem to ext4 in order to use extended attributes. 2) That you need to convert the filesystem at all; Meino's 'status quo' filesystem is already ext4, per the portion of his email I quoted. -- :wq