Re: [PATCH] libfdisk: fix bsd_translate_fstype() for alpha

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Hi! 

On Sun, 08 Jun 2014, Dave Reisner wrote:

> On Sun, Jun 08, 2014 at 03:32:48PM +0200, Ruediger Meier wrote:
> > From: Ruediger Meier <ruediger.meier@xxxxxxxxxxx>
> > 
> > Reported-by: Tobias Klausmann <klausman@xxxxxxxxxxxxxxx>
> > Signed-off-by: Ruediger Meier <ruediger.meier@xxxxxxxxxxx>
> > ---
> >  libfdisk/src/bsd.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/libfdisk/src/bsd.c b/libfdisk/src/bsd.c
> > index a81afd2..df0fc13 100644
> > --- a/libfdisk/src/bsd.c
> > +++ b/libfdisk/src/bsd.c
> > @@ -773,8 +773,10 @@ static int bsd_translate_fstype (int linux_type)
> >  	case 0x06: /* DOS 16-bit >=32M */
> >  	case 0xe1: /* DOS access       */
> >  	case 0xe3: /* DOS R/O          */
> > +#if !defined (__alpha__)
> >  	case 0xf2: /* DOS secondary    */
> >  		return BSD_FS_MSDOS;
> > +#endif
> 
> What would be the harm on defining this for platforms which don't
> include it? Why is a partition type excluded from this architecture?

For some reason, 8 has two meanings: BSD_FS_MSDOS almost
everywhere, but BSD_FS_EXT2 on Alpha. I'm not well-versed enough
in the code to be sure whether the case above (0xf2) is a "can't
happen" on Alpha).

It may be that the better approach would be to return an error
condition or something entirely different, including BSD_FS_EXT2. 

For the Alphas I have access to, the patch from Ruediger works
just fine.

Regards,
Tobias

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