Thanks Richard, this looks good to me. Reviewed-by: Christoph Hellwig <hch@xxxxxx> On Wed, May 17, 2017 at 06:28:53PM -0700, Richard Narron wrote: > The code in block/partitions/msdos.c recognizes FreeBSD, OpenBSD > and NetBSD partitions and does a reasonable job picking out OpenBSD > and NetBSD UFS subpartitions. > > But for FreeBSD the subpartitions are always "bad". > > Kernel: <bsd:bad subpartition - ignored > > Though all 3 of these BSD systems use UFS as a file system, only > FreeBSD uses relative start addresses in the subpartition > declarations. > > The following patch fixes this for FreeBSD partitions and leaves > the code for OpenBSD and NetBSD intact: > > Signed-off-by: Richard Narron <comet.berkeley@xxxxxxxxx> > --- > block/partitions/msdos.c | 2 ++ > 1 file changed, 2 insertions(+) > > --- a/block/partitions/msdos.c 2015-12-27 18:17:37.000000000 -0800 > +++ b/block/partitions/msdos.c 2015-12-29 10:44:25.813773357 -0800 > @@ -300,6 +300,8 @@ static void parse_bsd(struct parsed_part > continue; > bsd_start = le32_to_cpu(p->p_offset); > bsd_size = le32_to_cpu(p->p_size); > + if (memcmp(flavour, "bsd\0", 4) == 0) > + bsd_start = bsd_start + offset; this could be +=, but I don't think it really matters.