gfs2_setbit      2198 fs/gfs2/rgrp.c 	gfs2_setbit(rbm, true, dinode ? GFS2_BLKST_DINODE : GFS2_BLKST_USED);
gfs2_setbit      2205 fs/gfs2/rgrp.c 		gfs2_setbit(&pos, true, GFS2_BLKST_USED);
gfs2_setbit      2242 fs/gfs2/rgrp.c 		gfs2_setbit(&rbm, false, new_state);