RES_RG_HDR       1064 fs/gfs2/file.c 			  RES_RG_HDR + gfs2_rg_blocks(ip, data_blocks + ind_blocks);
RES_RG_HDR       1459 fs/gfs2/rgrp.c 			ret = gfs2_trans_begin(sdp, RES_RG_HDR, 0);