diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index b8fab44394f5..95b4815dc04b 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6230,6 +6230,8 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
 
 	map = em->map_lookup;
 
+	pr_info("%s: logical=%llu chunk start=%llu len=%llu type=0x%llx\n", __func__,
+		logical, em->start, em->len, map->type);
 	*length = geom.len;
 	stripe_len = geom.stripe_len;
 	stripe_nr = geom.stripe_nr;
@@ -6372,6 +6374,9 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
 		bbio->stripes[i].physical = map->stripes[stripe_index].physical +
 			stripe_offset + stripe_nr * map->stripe_len;
 		bbio->stripes[i].dev = map->stripes[stripe_index].dev;
+		pr_info("%s: stripe[%d] devid=%llu phy=%llu\n", __func__, i,
+				bbio->stripes[i].dev->devid,
+				bbio->stripes[i].physical);
 		stripe_index++;
 	}