On 2020/05/23 0:39, Hannes Reinecke wrote:
> The secondary superblock must reside on the same device than the
> primary superblock, so there's no need to re-calculate the device.
>
> Signed-off-by: Hannes Reinecke <h...@suse.de>
> ---
> drivers/md/dm-zoned-metadata.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
> index b70a988fa771..fdae4e0228e7 100644
> --- a/drivers/md/dm-zoned-metadata.c
> +++ b/drivers/md/dm-zoned-metadata.c
> @@ -1141,7 +1141,7 @@ static int dmz_lookup_secondary_sb(struct dmz_metadata
> *zmd)
> /* Bad first super block: search for the second one */
> zmd->sb[1].block = zmd->sb[0].block + zone_nr_blocks;
> zmd->sb[1].zone = xa_load(&zmd->zones, zone_id + 1);
> - zmd->sb[1].dev = dmz_zone_to_dev(zmd, zmd->sb[1].zone);
> + zmd->sb[1].dev = zmd->sb[0].dev;
> for (i = 1; i < zmd->nr_rnd_zones; i++) {
> if (dmz_read_sb(zmd, &zmd->sb[1], 1) != 0)
> break;
> @@ -1149,7 +1149,6 @@ static int dmz_lookup_secondary_sb(struct dmz_metadata
> *zmd)
> return 0;
> zmd->sb[1].block += zone_nr_blocks;
> zmd->sb[1].zone = dmz_get(zmd, zone_id + i);
> - zmd->sb[1].dev = dmz_zone_to_dev(zmd, zmd->sb[1].zone);
> }
>
> dmz_free_mblock(zmd, mblk);
> @@ -1272,7 +1271,7 @@ static int dmz_load_sb(struct dmz_metadata *zmd)
> zmd->sb[1].zone = dmz_get(zmd, zone_id);
> }
> zmd->sb[1].block = dmz_start_block(zmd, zmd->sb[1].zone);
> - zmd->sb[1].dev = dmz_zone_to_dev(zmd, zmd->sb[1].zone);
> + zmd->sb[1].dev = zmd->sb[0].dev;
> ret = dmz_get_sb(zmd, &zmd->sb[1], 1);
> } else
> ret = dmz_lookup_secondary_sb(zmd);
>
Reviewed-by: Damien Le Moal <damien.lem...@wdc.com>
--
Damien Le Moal
Western Digital Research
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