Merge pull request #789 from wangvsa/dev

Do not assume file must exist after an open call

client/src/unifyfs_fid.c

@@ -553,15 +553,15 @@ int unifyfs_fid_open(
  }
  }
 
- /* File should exist at this point,
- * update our cache with its metadata. */
+ /* Update our cache with its metadata. */
  ret = unifyfs_fid_fetch(client, path);
  if (ret != UNIFYFS_SUCCESS) {
- /* Failed to get metadata for a file that should exist.
- * Perhaps it was since deleted. We could try to create
- * it again and loop through these steps, but for now
- * consider this situation to be an error. */
- LOGERR("Failed to get metadata on existing file %s", path);
+ /* Failed to get metadata.
+ * Perhaps it was opened without O_CREAT or it
+ * was since deleted. For the latter, we could
+ * try to create it again and loop through these
+ * steps. */
+ LOGDBG("Failed to get metadata on file %s", path);
  return ret;
  }