On 2020/04/07 2:29, Hannes Reinecke wrote: > When looking up zones in dmz_alloc_zone() we need to ignore > metadata zones so as not to accidentally overwrite metadata. > > Signed-off-by: Hannes Reinecke <[email protected]>
Reviewed-by: Damien Le Moal <[email protected]> > --- > drivers/md/dm-zoned-metadata.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c > index 6c52cbf290d5..e036ba4bfe57 100644 > --- a/drivers/md/dm-zoned-metadata.c > +++ b/drivers/md/dm-zoned-metadata.c > @@ -1910,7 +1910,13 @@ struct dm_zone *dmz_alloc_zone(struct dmz_metadata > *zmd, unsigned long flags) > zone = NULL; > goto again; > } > + if (dmz_is_meta(zone)) { > + struct dmz_dev *dev = dmz_zone_to_dev(zmd, zone); > > + dmz_dev_warn(dev, "Zone %u has metadata", dmz_id(zmd, zone)); > + zone = NULL; > + goto again; > + } > return zone; > } > > -- Damien Le Moal Western Digital Research -- dm-devel mailing list [email protected] https://www.redhat.com/mailman/listinfo/dm-devel
