+/**
+ * joinup - bring data nodes for an inode together.
+ * @c: UBIFS file-system description object
+ * @sleb: describes scanned LEB
+ * @inum: inode number
+ * @blk: block number
+ * @data: list to which to add data nodes
+ *
+ * This function looks at the first few nodes in the scanned LEB @sleb and adds
+ * them to @data if they are data nodes from @inum and have a larger block
+ * number than @blk. This function returns %0 on success and a negative error
+ * code on failure.
+ */
+static int joinup(struct ubifs_info *c, struct ubifs_scan_leb *sleb, ino_t inum,
+ unsigned int blk, struct list_head *data)
+{
+ int err, cnt = 6, lnum = sleb->lnum, offs;
+ struct ubifs_scan_node *snod, *tmp;
+ union ubifs_key *key;
+
+ list_for_each_entry_safe(snod, tmp, &sleb->nodes, list) {
+ key = &snod->key;
+ if (key_inum(c, key) == inum &&
+ key_type(c, key) == UBIFS_DATA_KEY &&
+ key_block(c, key) > blk) {
+ offs = snod->offs;
+ err = ubifs_tnc_has_node(c, key, 0, lnum, offs, 0);
+ if (err < 0)
+ return err;
+ list_del(&snod->list);
+ if (err) {
+ list_add_tail(&snod->list, data);
+ blk = key_block(c, key);
+ } else
+ kfree(snod);
+ cnt = 6;
+ } else if (--cnt == 0)
+ break;
+ }
+ return 0;
+}
+