From 1565929b870fe166c5a57a85d6cb5a2bfe1e6c84 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Tue, 2 Jun 2020 13:09:43 +0200 Subject: dm zoned: avoid unnecessary device recalulation for secondary superblock The secondary superblock must reside on the same device as the primary superblock, so there is no need to re-calculate the device. Signed-off-by: Hannes Reinecke Reviewed-by: Damien Le Moal Signed-off-by: Mike Snitzer --- drivers/md/dm-zoned-metadata.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers/md/dm-zoned-metadata.c') diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c index ef1524d5928a..043ed882970a 100644 --- a/drivers/md/dm-zoned-metadata.c +++ b/drivers/md/dm-zoned-metadata.c @@ -1135,7 +1135,7 @@ 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 = zmd->sb[0].zone + 1; - zmd->sb[1].dev = dmz_zone_to_dev(zmd, zmd->sb[1].zone); + zmd->sb[1].dev = zmd->sb[0].dev; for (i = 0; i < zmd->nr_rnd_zones - 1; i++) { if (dmz_read_sb(zmd, 1) != 0) break; @@ -1144,7 +1144,6 @@ static int dmz_lookup_secondary_sb(struct dmz_metadata *zmd) return 0; } zmd->sb[1].block += zone_nr_blocks; - zmd->sb[1].dev = dmz_zone_to_dev(zmd, zmd->sb[1].zone + i); } dmz_free_mblock(zmd, mblk); @@ -1263,7 +1262,7 @@ static int dmz_load_sb(struct dmz_metadata *zmd) if (!zmd->sb[1].zone) zmd->sb[1].zone = zmd->sb[0].zone + zmd->nr_meta_zones; 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, 1); } else ret = dmz_lookup_secondary_sb(zmd); -- cgit v1.2.3