Re: Proposal: kernel config option for default UFS filesystem

[Randy Dunlap <randy.dunlap@oracle.com>]

On Wed, 13 Aug 2008 02:37:07 -0700 (PDT) barry bouwsma wrote:

[cc-ing UFS maintainer]

> Servus, Sportsfreunde!
> 
> I'm sharing my x86 machine with several flavours of BSDen, and
> thereby wishing to mount the UFS filesystems under Linux.
> 
> Normally one has to specify the filesystem type, lest it otherwise
> default to `old', which is for me, not useful.  In my case, a 44bsd
> default would match all my filesystems used by NetBSD and FreeBSD.
> 
> I've recently been running with a hack to Kconfig, which lets me
> select at config time, whether I wish to default to a different
> ufstype.  For me, with oldconfig, it spits out something like...
> 
> UFS file system support (read only) (UFS_FS) [M/n/y/?] m
>   UFS file system write support (DANGEROUS) (UFS_FS_WRITE) [Y/n/?] y
>   UFS debugging (UFS_DEBUG) [N/y/?] n
> Default UFS filesystem type
> > 1. Old default (UFS_UFSTYPE_OLD)
>   2. Sun x86 (UFS_UFSTYPE_SUNx86)
>   3. Sun (UFS_UFSTYPE_SUN)
>   4. SunOS (UFS_UFSTYPE_SUNOS)
>   5. 44BSD (Free-, Net-, OpenBSD and friends) (UFS_UFSTYPE_44BSD) (NEW)
>   6. UFS2 as added to 44BSD systems (UFS_UFSTYPE_UFS2)
>   7. HP (UFS_UFSTYPE_HP)
>   8. NeXTStep CD (UFS_UFSTYPE_NEXTSTEP_CD)
>   9. NeXTStep (UFS_UFSTYPE_NEXTSTEP)
>   10. OpenStep (UFS_UFSTYPE_OPENSTEP)
> choice[1-10?]: 5
> 
> Is this something worthy of further cluttering up the kernel config
> for my convenience, or not, given that there is no way presently to
> automagically determine the proper UFS filesystem type at mount?
> 
> 
> If it is, I'll post my hacks for ridicule and derision.

I'd say Yes, it's useful.

---
~Randy
Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA
http://linuxplumbersconf.org/