XFS_TRANS_SB_RES_FDBLOCKS
field = args->wasdel ? XFS_TRANS_SB_RES_FDBLOCKS :
xfs_trans_mod_sb(args->tp, XFS_TRANS_SB_RES_FDBLOCKS, -(int64_t)len);
xfs_trans_mod_sb(tp, XFS_TRANS_SB_RES_FDBLOCKS, len);
xfs_trans_mod_sb(args->tp, XFS_TRANS_SB_RES_FDBLOCKS,
field = XFS_TRANS_SB_RES_FDBLOCKS;
xfs_trans_mod_sb(tp, XFS_TRANS_SB_RES_FDBLOCKS, to_resv);
case XFS_TRANS_SB_RES_FDBLOCKS: