[PLUG] ufs support on Linux 2.6.*

[Ritesh Khadgaray]

On Thu, 2006-09-14 at 12:39 +0530, Arindam wrote:
> On 9/14/06, Arindam <arindam.mukerjee at gmail.com> wrote:
> > > On Thursday 14 September 2006 10:44, Arindam wrote:
> > > > find / -name "ufs.ko"
> > > > find / -name "ufs*.ko"
> > > > find / -name "u*fs*.ko"
> > >
> > > rpm -ql `rpm -qa|grep kernel`|grep ufs would have sufficed.. ;)
> > >
> > > Complain to your distributor and/or build your own kernel from the srpms.
> >
> > Building is a better option.
> >
> > >
> > > I find this on my slackware-current machine
> > > shridhar at darkstar:~/tmp$ grep
> > > ufs /var/adm/packages/kernel-modules-2.6.17.13-i486-1
> > > lib/modules/2.6.17.13/kernel/fs/ufs/
> > > lib/modules/2.6.17.13/kernel/fs/ufs/ufs.ko
> > > shridhar at darkstar:~/tmp$ grep -i ufs /boot/config*
> > > /boot/config:CONFIG_UFS_FS=m
> > > /boot/config-generic-2.6.17.13:CONFIG_UFS_FS=m
> > > /boot/config-ide-2.4.33.3:CONFIG_UFS_FS=m
> > > /boot/config-ide-2.4.33.3:CONFIG_UFS_FS_WRITE=y
> > >
> > > Damn why can't 2.6* write to ufs filesystem.. Hmm.. need to find out..
> > >
> >
> > I guess the whole ufs/u2fs support is experimental. And the read-write
> > thing does not work for u2fs. For ufs it does ... but goes wrong
> > oftentimes. Don't try it yet.
> >
> > >  Shridhar
> > >
> > > --
> >
> 
> Here is my dump
> 
> [root at D-44371 lib]# rpm -qa kernel* | xargs rpm -ql | grep ufs
> /usr/src/linux-2.4.21-15.EL/Documentation/filesystems/ufs.txt
> /usr/src/linux-2.4.21-15.EL/drivers/char/drm-4.0/bufs.c
> /usr/src/linux-2.4.21-15.EL/drivers/char/drm-4.0/i810_bufs.c
> /usr/src/linux-2.4.21-15.EL/drivers/char/drm-4.0/mga_bufs.c
> /usr/src/linux-2.4.21-15.EL/drivers/char/drm-4.0/r128_bufs.c
> /usr/src/linux-2.4.21-15.EL/drivers/char/drm-4.0/radeon_bufs.c
> /usr/src/linux-2.4.21-15.EL/drivers/char/drm-hp_ia64/drm_bufs.h
> /usr/src/linux-2.4.21-15.EL/drivers/char/drm/drm_bufs.h
> /usr/src/linux-2.4.21-15.EL/fs/ufs
> /usr/src/linux-2.4.21-15.EL/fs/ufs/.depend
> /usr/src/linux-2.4.21-15.EL/fs/ufs/Makefile
> /usr/src/linux-2.4.21-15.EL/fs/ufs/balloc.c
> /usr/src/linux-2.4.21-15.EL/fs/ufs/cylinder.c
> /usr/src/linux-2.4.21-15.EL/fs/ufs/dir.c
> /usr/src/linux-2.4.21-15.EL/fs/ufs/file.c
> /usr/src/linux-2.4.21-15.EL/fs/ufs/ialloc.c
> /usr/src/linux-2.4.21-15.EL/fs/ufs/inode.c
> /usr/src/linux-2.4.21-15.EL/fs/ufs/namei.c
> /usr/src/linux-2.4.21-15.EL/fs/ufs/super.c
> /usr/src/linux-2.4.21-15.EL/fs/ufs/swab.h
> /usr/src/linux-2.4.21-15.EL/fs/ufs/symlink.c
> /usr/src/linux-2.4.21-15.EL/fs/ufs/truncate.c
> /usr/src/linux-2.4.21-15.EL/fs/ufs/util.c
> /usr/src/linux-2.4.21-15.EL/fs/ufs/util.h
> /usr/src/linux-2.4.21-15.EL/include/linux/ufs_fs.h
> /usr/src/linux-2.4.21-15.EL/include/linux/ufs_fs_i.h
> /usr/src/linux-2.4.21-15.EL/include/linux/ufs_fs_sb.h
> /usr/share/doc/kernel-doc-2.4.21/filesystems/ufs.txt
> 
> 
> Also,
> 
> [root at D-44371 boot]# grep -i ufs /boot/config*
> CONFIG_UFS_FS=m
> # CONFIG_UFS_FS_WRITE is not set
> 
> 
> There don't seem to be any ready-built ko for ufs. I will have to
> rebuild the kernel with ufs_support.
> 
> This is on RHEL 3u2. It's a similar scenario on both FC2 and RHEL4u3.
> 
> --
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RHEL3, check out kernel-unsupported package.

FC2, no clue.

RHEL4, recompile would be required or you can pull a kernel from centos4
site.

-- 
Ritesh Khadgaray
LinuX N Stuff
Ph: +919822394463
Eat Right, Exercise, Die Anyway.