On Mon, Apr 29, 2024 at 10:50:29AM +0800, Liao Yuanhong wrote: > For zoned-UFS, sector size may not aligned to pow2, so we need to remove > the pow2 limitation.
When was non-power-of-2 support added to zone devices? AFAIK, the last attempt to add support for it was: https://lore.kernel.org/dm-devel/[email protected]/ Which was not merged. See that email thread for other necessary dm changes to support this. -Ben > > Signed-off-by: Liao Yuanhong <[email protected]> > --- > drivers/md/dm-table.c | 4 ---- > 1 file changed, 4 deletions(-) > > diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c > index 41f1d731ae5a..823f2f6a2d53 100644 > --- a/drivers/md/dm-table.c > +++ b/drivers/md/dm-table.c > @@ -1663,10 +1663,6 @@ static int validate_hardware_zoned(struct dm_table *t, > bool zoned, > return -EINVAL; > } > > - /* Check zone size validity and compatibility */ > - if (!zone_sectors || !is_power_of_2(zone_sectors)) > - return -EINVAL; > - > if (dm_table_any_dev_attr(t, device_not_matches_zone_sectors, > &zone_sectors)) { > DMERR("%s: zone sectors is not consistent across all zoned > devices", > dm_device_name(t->md)); > -- > 2.25.1 >
