dm: zoned: Remove unused functions

dmz_resume_metadata() is unused since it was added in commit
3b1a94c ("dm zoned: drive-managed zoned block device target")

dmz_zone_nr_blocks_shift is unused since it was added in commit
3682056 ("dm zoned: move fields from struct dmz_dev to dmz_metadata")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>

Author: Dr. David Alan Gilbert

drivers/md/dm-zoned-metadata.c

@@ -245,11 +245,6 @@ unsigned int dmz_zone_nr_blocks(struct dmz_metadata *zmd)
 	return zmd->zone_nr_blocks;
 }
 
-unsigned int dmz_zone_nr_blocks_shift(struct dmz_metadata *zmd)
-{
-	return zmd->zone_nr_blocks_shift;
-}
-
 unsigned int dmz_zone_nr_sectors(struct dmz_metadata *zmd)
 {
 	return zmd->zone_nr_sectors;
@@ -3005,48 +3000,3 @@ void dmz_dtr_metadata(struct dmz_metadata *zmd)
 	dmz_cleanup_metadata(zmd);
 	kfree(zmd);
 }
-
-/*
- * Check zone information on resume.
- */
-int dmz_resume_metadata(struct dmz_metadata *zmd)
-{
-	struct dm_zone *zone;
-	sector_t wp_block;
-	unsigned int i;
-	int ret;
-
-	/* Check zones */
-	for (i = 0; i < zmd->nr_zones; i++) {
-		zone = dmz_get(zmd, i);
-		if (!zone) {
-			dmz_zmd_err(zmd, "Unable to get zone %u", i);
-			return -EIO;
-		}
-		wp_block = zone->wp_block;
-
-		ret = dmz_update_zone(zmd, zone);
-		if (ret) {
-			dmz_zmd_err(zmd, "Broken zone %u", i);
-			return ret;
-		}
-
-		if (dmz_is_offline(zone)) {
-			dmz_zmd_warn(zmd, "Zone %u is offline", i);
-			continue;
-		}
-
-		/* Check write pointer */
-		if (!dmz_is_seq(zone))
-			zone->wp_block = 0;
-		else if (zone->wp_block != wp_block) {
-			dmz_zmd_err(zmd, "Zone %u: Invalid wp (%llu / %llu)",
-				    i, (u64)zone->wp_block, (u64)wp_block);
-			zone->wp_block = wp_block;
-			dmz_invalidate_blocks(zmd, zone, zone->wp_block,
-					      zmd->zone_nr_blocks - zone->wp_block);
-		}
-	}
-
-	return 0;
-}

drivers/md/dm-zoned.h

@@ -192,7 +192,6 @@ enum {
 int dmz_ctr_metadata(struct dmz_dev *dev, int num_dev,
 		     struct dmz_metadata **zmd, const char *devname);
 void dmz_dtr_metadata(struct dmz_metadata *zmd);
-int dmz_resume_metadata(struct dmz_metadata *zmd);
 
 void dmz_lock_map(struct dmz_metadata *zmd);
 void dmz_unlock_map(struct dmz_metadata *zmd);
@@ -230,7 +229,6 @@ unsigned int dmz_nr_unmap_rnd_zones(struct dmz_metadata *zmd, int idx);
 unsigned int dmz_nr_seq_zones(struct dmz_metadata *zmd, int idx);
 unsigned int dmz_nr_unmap_seq_zones(struct dmz_metadata *zmd, int idx);
 unsigned int dmz_zone_nr_blocks(struct dmz_metadata *zmd);
-unsigned int dmz_zone_nr_blocks_shift(struct dmz_metadata *zmd);
 unsigned int dmz_zone_nr_sectors(struct dmz_metadata *zmd);
 unsigned int dmz_zone_nr_sectors_shift(struct dmz_metadata *zmd);