On Sun, Apr 8, 2012 at 1:59 PM, Michael Mol <mike...@gmail.com> wrote: > 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.
>From Mick's mail: > Status quo: System with ext4 and no extended attributes. > Where I want to be: The same system with extended attributes. I assume with that he meant the "extents" option. Therefore, all the things I already said. Regards. -- Canek Peláez Valdés Posgrado en Ciencia e Ingeniería de la Computación Universidad Nacional Autónoma de México
