refs = btrfs_extent_refs(leaf, ei);
        if (refs < refs_to_drop) {
                btrfs_err(info, "trying to drop %d refs but we only have %Lu "
-                         "for bytenr %Lu\n", refs_to_drop, refs, bytenr);
+                         "for bytenr %Lu", refs_to_drop, refs, bytenr);
                ret = -EINVAL;
                btrfs_abort_transaction(trans, extent_root, ret);
                goto out;
 
                ret = btrfs_load_inode_props(inode, path);
                if (ret)
                        btrfs_err(root->fs_info,
-                                 "error loading props for ino %llu (root %llu): %d\n",
+                                 "error loading props for ino %llu (root %llu): %d",
                                  btrfs_ino(inode),
                                  root->root_key.objectid, ret);
        }
        err = btrfs_subvol_inherit_props(trans, new_root, parent_root);
        if (err)
                btrfs_err(new_root->fs_info,
-                         "error inheriting subvolume %llu properties: %d\n",
+                         "error inheriting subvolume %llu properties: %d",
                          new_root->root_key.objectid, err);
 
        err = btrfs_update_inode(trans, new_root, inode);
 
 {
        struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
        btrfs_panic(fs_info, errno, "Inconsistency in ordered tree at offset "
-                   "%llu\n", offset);
+                   "%llu", offset);
 }
 
 /*
 
        if (bnode->root)
                fs_info = bnode->root->fs_info;
        btrfs_panic(fs_info, errno, "Inconsistency in backref cache "
-                   "found at offset %llu\n", bytenr);
+                   "found at offset %llu", bytenr);
 }
 
 /*
        if (rb_node) {
                btrfs_panic(root->fs_info, -EEXIST, "Duplicate root found "
                            "for start=%llu while inserting into relocation "
-                           "tree\n", node->bytenr);
+                           "tree", node->bytenr);
                kfree(node);
                return -EEXIST;
        }
 
                ret = -EIO;
                btrfs_err(sctx->send_root->fs_info, "did not find backref in "
                                "send_root. inode=%llu, offset=%llu, "
-                               "disk_byte=%llu found extent=%llu\n",
+                               "disk_byte=%llu found extent=%llu",
                                ino, data_offset, disk_byte, found_key.objectid);
                goto out;
        }
         */
        if (root->send_in_progress < 0)
                btrfs_err(root->fs_info,
-                       "send_in_progres unbalanced %d root %llu\n",
+                       "send_in_progres unbalanced %d root %llu",
                        root->send_in_progress, root->root_key.objectid);
        spin_unlock(&root->root_item_lock);
 }
 
                        } else if (compress) {
                                if (!btrfs_test_opt(root, COMPRESS))
                                        btrfs_info(root->fs_info,
-                                                  "btrfs: use %s compression\n",
+                                                  "btrfs: use %s compression",
                                                   compress_type);
                        }
                        break;
 
                if (!devs_max)
                        devs_max = BTRFS_MAX_DEVS_SYS_CHUNK;
        } else {
-               btrfs_err(info, "invalid chunk type 0x%llx requested\n",
+               btrfs_err(info, "invalid chunk type 0x%llx requested",
                       type);
                BUG_ON(1);
        }
 
        if (em->start != chunk_offset || em->len != chunk_size) {
                btrfs_crit(extent_root->fs_info, "found a bad mapping, wanted"
-                         " %Lu-%Lu, found %Lu-%Lu\n", chunk_offset,
+                         " %Lu-%Lu, found %Lu-%Lu", chunk_offset,
                          chunk_size, em->start, em->len);
                free_extent_map(em);
                return -EINVAL;
         * and exit, so return 1 so the callers don't try to use other copies.
         */
        if (!em) {
-               btrfs_crit(fs_info, "No mapping for %Lu-%Lu\n", logical,
+               btrfs_crit(fs_info, "No mapping for %Lu-%Lu", logical,
                            logical+len);
                return 1;
        }
 
        if (em->start > logical || em->start + em->len < logical) {
                btrfs_crit(fs_info, "Invalid mapping for %Lu-%Lu, got "
-                           "%Lu-%Lu\n", logical, logical+len, em->start,
+                           "%Lu-%Lu", logical, logical+len, em->start,
                            em->start + em->len);
                free_extent_map(em);
                return 1;
 
        if (em->start > logical || em->start + em->len < logical) {
                btrfs_crit(fs_info, "found a bad mapping, wanted %Lu, "
-                          "found %Lu-%Lu\n", logical, em->start,
+                          "found %Lu-%Lu", logical, em->start,
                           em->start + em->len);
                free_extent_map(em);
                return -EINVAL;