gfs2_rgrp_send_discards 81 fs/gfs2/lops.c gfs2_rgrp_send_discards(sdp, rgd->rd_data0, bd->bd_bh, bi, 1, NULL); gfs2_rgrp_send_discards 1448 fs/gfs2/rgrp.c ret = gfs2_rgrp_send_discards(sdp, gfs2_rgrp_send_discards 74 fs/gfs2/rgrp.h extern int gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,