dquot_free_block_nodirty
dquot_free_block_nodirty(inode, *count-num);
dquot_free_block_nodirty(inode, *count);
dquot_free_block_nodirty(inode, freed);
dquot_free_block_nodirty(inode, 1);
dquot_free_block_nodirty(inode, pages);