if (c->key_fmt == UBIFS_SIMPLE_KEY_FMT) {
                switch (type) {
                case UBIFS_INO_KEY:
-                       sprintf(p, "(%lu, %s)", key_inum(c, key),
+                       sprintf(p, "(%lu, %s)", (unsigned long)key_inum(c, key),
                               get_key_type(type));
                        break;
                case UBIFS_DENT_KEY:
                case UBIFS_XENT_KEY:
-                       sprintf(p, "(%lu, %s, %#08x)", key_inum(c, key),
+                       sprintf(p, "(%lu, %s, %#08x)",
+                               (unsigned long)key_inum(c, key),
                                get_key_type(type), key_hash(c, key));
                        break;
                case UBIFS_DATA_KEY:
-                       sprintf(p, "(%lu, %s, %u)", key_inum(c, key),
+                       sprintf(p, "(%lu, %s, %u)",
+                               (unsigned long)key_inum(c, key),
                                get_key_type(type), key_block(c, key));
                        break;
                case UBIFS_TRUN_KEY:
                        sprintf(p, "(%lu, %s)",
-                               key_inum(c, key), get_key_type(type));
+                               (unsigned long)key_inum(c, key),
+                               get_key_type(type));
                        break;
                default:
                        sprintf(p, "(bad key type: %#08x, %#08x)",
 
        if (inum > c->highest_inum) {
                ubifs_err("too high inode number, max. is %lu",
-                         c->highest_inum);
+                         (unsigned long)c->highest_inum);
                return ERR_PTR(-EINVAL);
        }
 
        ino_key_init(c, &key, inum);
        err = ubifs_lookup_level0(c, &key, &znode, &n);
        if (!err) {
-               ubifs_err("inode %lu not found in index", inum);
+               ubifs_err("inode %lu not found in index", (unsigned long)inum);
                return ERR_PTR(-ENOENT);
        } else if (err < 0) {
-               ubifs_err("error %d while looking up inode %lu", err, inum);
+               ubifs_err("error %d while looking up inode %lu",
+                         err, (unsigned long)inum);
                return ERR_PTR(err);
        }
 
        zbr = &znode->zbranch[n];
        if (zbr->len < UBIFS_INO_NODE_SZ) {
-               ubifs_err("bad node %lu node length %d", inum, zbr->len);
+               ubifs_err("bad node %lu node length %d",
+                         (unsigned long)inum, zbr->len);
                return ERR_PTR(-EINVAL);
        }
 
        kfree(ino);
        if (IS_ERR(fscki)) {
                ubifs_err("error %ld while adding inode %lu node",
-                         PTR_ERR(fscki), inum);
+                         PTR_ERR(fscki), (unsigned long)inum);
                return fscki;
        }
 
                if (IS_ERR(fscki)) {
                        err = PTR_ERR(fscki);
                        ubifs_err("error %d while processing data node and "
-                                 "trying to find inode node %lu", err, inum);
+                                 "trying to find inode node %lu",
+                                 err, (unsigned long)inum);
                        goto out_dump;
                }
 
                if (IS_ERR(fscki)) {
                        err = PTR_ERR(fscki);
                        ubifs_err("error %d while processing entry node and "
-                                 "trying to find inode node %lu", err, inum);
+                                 "trying to find inode node %lu",
+                                 err, (unsigned long)inum);
                        goto out_dump;
                }
 
                        err = PTR_ERR(fscki);
                        ubifs_err("error %d while processing entry node and "
                                  "trying to find parent inode node %lu",
-                                 err, inum);
+                                 err, (unsigned long)inum);
                        goto out_dump;
                }
 
                            fscki->references != 1) {
                                ubifs_err("directory inode %lu has %d "
                                          "direntries which refer it, but "
-                                         "should be 1", fscki->inum,
+                                         "should be 1",
+                                         (unsigned long)fscki->inum,
                                          fscki->references);
                                goto out_dump;
                        }
                            fscki->references != 0) {
                                ubifs_err("root inode %lu has non-zero (%d) "
                                          "direntries which refer it",
-                                         fscki->inum, fscki->references);
+                                         (unsigned long)fscki->inum,
+                                         fscki->references);
                                goto out_dump;
                        }
                        if (fscki->calc_sz != fscki->size) {
                                ubifs_err("directory inode %lu size is %lld, "
                                          "but calculated size is %lld",
-                                         fscki->inum, fscki->size,
-                                         fscki->calc_sz);
+                                         (unsigned long)fscki->inum,
+                                         fscki->size, fscki->calc_sz);
                                goto out_dump;
                        }
                        if (fscki->calc_cnt != fscki->nlink) {
                                ubifs_err("directory inode %lu nlink is %d, "
                                          "but calculated nlink is %d",
-                                         fscki->inum, fscki->nlink,
-                                         fscki->calc_cnt);
+                                         (unsigned long)fscki->inum,
+                                         fscki->nlink, fscki->calc_cnt);
                                goto out_dump;
                        }
                } else {
                        if (fscki->references != fscki->nlink) {
                                ubifs_err("inode %lu nlink is %d, but "
-                                         "calculated nlink is %d", fscki->inum,
+                                         "calculated nlink is %d",
+                                         (unsigned long)fscki->inum,
                                          fscki->nlink, fscki->references);
                                goto out_dump;
                        }
                if (fscki->xattr_sz != fscki->calc_xsz) {
                        ubifs_err("inode %lu has xattr size %u, but "
                                  "calculated size is %lld",
-                                 fscki->inum, fscki->xattr_sz,
+                                 (unsigned long)fscki->inum, fscki->xattr_sz,
                                  fscki->calc_xsz);
                        goto out_dump;
                }
                if (fscki->xattr_cnt != fscki->calc_xcnt) {
                        ubifs_err("inode %lu has %u xattrs, but "
-                                 "calculated count is %lld", fscki->inum,
+                                 "calculated count is %lld",
+                                 (unsigned long)fscki->inum,
                                  fscki->xattr_cnt, fscki->calc_xcnt);
                        goto out_dump;
                }
                if (fscki->xattr_nms != fscki->calc_xnms) {
                        ubifs_err("inode %lu has xattr names' size %u, but "
                                  "calculated names' size is %lld",
-                                 fscki->inum, fscki->xattr_nms,
+                                 (unsigned long)fscki->inum, fscki->xattr_nms,
                                  fscki->calc_xnms);
                        goto out_dump;
                }
        ino_key_init(c, &key, fscki->inum);
        err = ubifs_lookup_level0(c, &key, &znode, &n);
        if (!err) {
-               ubifs_err("inode %lu not found in index", fscki->inum);
+               ubifs_err("inode %lu not found in index",
+                         (unsigned long)fscki->inum);
                return -ENOENT;
        } else if (err < 0) {
                ubifs_err("error %d while looking up inode %lu",
-                         err, fscki->inum);
+                         err, (unsigned long)fscki->inum);
                return err;
        }
 
        }
 
        ubifs_msg("dump of the inode %lu sitting in LEB %d:%d",
-                 fscki->inum, zbr->lnum, zbr->offs);
+                 (unsigned long)fscki->inum, zbr->lnum, zbr->offs);
        dbg_dump_node(c, ino);
        kfree(ino);
        return -EINVAL;
 
        list_add_tail(&orphan->list, &c->orph_list);
        list_add_tail(&orphan->new_list, &c->orph_new);
        spin_unlock(&c->orphan_lock);
-       dbg_gen("ino %lu", inum);
+       dbg_gen("ino %lu", (unsigned long)inum);
        return 0;
 }
 
                else {
                        if (o->dnext) {
                                spin_unlock(&c->orphan_lock);
-                               dbg_gen("deleted twice ino %lu", inum);
+                               dbg_gen("deleted twice ino %lu",
+                                       (unsigned long)inum);
                                return;
                        }
                        if (o->cnext) {
                                o->dnext = c->orph_dnext;
                                c->orph_dnext = o;
                                spin_unlock(&c->orphan_lock);
-                               dbg_gen("delete later ino %lu", inum);
+                               dbg_gen("delete later ino %lu",
+                                       (unsigned long)inum);
                                return;
                        }
                        rb_erase(p, &c->orph_tree);
                        }
                        spin_unlock(&c->orphan_lock);
                        kfree(o);
-                       dbg_gen("inum %lu", inum);
+                       dbg_gen("inum %lu", (unsigned long)inum);
                        return;
                }
        }
        spin_unlock(&c->orphan_lock);
-       dbg_err("missing orphan ino %lu", inum);
+       dbg_err("missing orphan ino %lu", (unsigned long)inum);
        dbg_dump_stack();
 }
 
                rb_erase(&orphan->rb, &c->orph_tree);
                list_del(&orphan->list);
                c->tot_orphans -= 1;
-               dbg_gen("deleting orphan ino %lu", orphan->inum);
+               dbg_gen("deleting orphan ino %lu", (unsigned long)orphan->inum);
                kfree(orphan);
        }
        c->orph_dnext = NULL;
        list_add_tail(&orphan->list, &c->orph_list);
        orphan->dnext = c->orph_dnext;
        c->orph_dnext = orphan;
-       dbg_mnt("ino %lu, new %d, tot %d",
-               inum, c->new_orphans, c->tot_orphans);
+       dbg_mnt("ino %lu, new %d, tot %d", (unsigned long)inum,
+               c->new_orphans, c->tot_orphans);
        return 0;
 }
 
                n = (le32_to_cpu(orph->ch.len) - UBIFS_ORPH_NODE_SZ) >> 3;
                for (i = 0; i < n; i++) {
                        inum = le64_to_cpu(orph->inos[i]);
-                       dbg_rcvry("deleting orphaned inode %lu", inum);
+                       dbg_rcvry("deleting orphaned inode %lu",
+                                 (unsigned long)inum);
                        err = ubifs_tnc_remove_ino(c, inum);
                        if (err)
                                return err;
        if (inum != ci->last_ino) {
                /* Lowest node type is the inode node, so it comes first */
                if (key_type(c, &zbr->key) != UBIFS_INO_KEY)
-                       ubifs_err("found orphan node ino %lu, type %d", inum,
-                                 key_type(c, &zbr->key));
+                       ubifs_err("found orphan node ino %lu, type %d",
+                                 (unsigned long)inum, key_type(c, &zbr->key));
                ci->last_ino = inum;
                ci->tot_inos += 1;
                err = ubifs_tnc_read_node(c, zbr, ci->node);
                        /* Must be recorded as an orphan */
                        if (!dbg_find_check_orphan(&ci->root, inum) &&
                            !dbg_find_orphan(c, inum)) {
-                               ubifs_err("missing orphan, ino %lu", inum);
+                               ubifs_err("missing orphan, ino %lu",
+                                         (unsigned long)inum);
                                ci->missing += 1;
                        }
        }