Am Freitag, 12. November 2021, 09:22:26 CET schrieb Guoqing Jiang: > On 11/11/21 11:09 PM, Markus Hochholdinger wrote: > > It's possible, I've found the error: > > rdev->sb_start = sb_start; > > is missing within md.c within /* minor version 0; superblock after data */ > > From my understanding, this means the new calculated superblock position > > isn't> > > used. > > I changed: > > --- a/drivers/md/md.c 2021-09-30 08:11:08.000000000 +0000 > > +++ b/drivers/md/md.c 2021-11-11 14:54:10.535633028 +0000 > > @@ -2252,6 +2252,7 @@ > > if (!num_sectors || num_sectors > max_sectors) > > num_sectors = max_sectors; > > + rdev->sb_start = sb_start; > > } > > sb = page_address(rdev->sb_page); > > sb->data_size = cpu_to_le64(num_sectors); > > I tested it with 5.10.46 and resizing with superblock version 1.0 is now > > working for me. > > If this is correct, how can I get this into longterm 5.10.x and the > > current > > kernel upstream? > Please refer to submitting-patches.rst and stable-kernel-rules.rst which > are under > Documentation. > And I think this tag need to be added in your patch. > Fixes: commit d9c0fa509eaf ("md: fix max sectors calculation for super 1.0") Many thanks, this was very helpful for me. -- Mfg Markus Hochholdinger