219 			      struct dquot *dquot, int *err)  in find_free_dqentry()  argument
248 		mark_info_dirty(dquot->dq_sb, dquot->dq_id.type);  in find_free_dqentry()
254 			quota_error(dquot->dq_sb, "Can't remove block (%u) "  in find_free_dqentry()
269 		quota_error(dquot->dq_sb, "Data block full but it shouldn't");  in find_free_dqentry()
276 		quota_error(dquot->dq_sb, "Can't write quota data block %u",  in find_free_dqentry()
280 	dquot->dq_off = (blk << info->dqi_blocksize_bits) +  in find_free_dqentry()
291 static int do_insert_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,  in do_insert_tree()  argument
311 			quota_error(dquot->dq_sb, "Can't read tree quota "  in do_insert_tree()
317 	newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);  in do_insert_tree()
323 			quota_error(dquot->dq_sb, "Inserting already present "  in do_insert_tree()
326 						dquot->dq_id, depth)]));  in do_insert_tree()
331 		newblk = find_free_dqentry(info, dquot, &ret);  in do_insert_tree()
333 		ret = do_insert_tree(info, dquot, &newblk, depth+1);  in do_insert_tree()
336 		ref[get_index(info, dquot->dq_id, depth)] =  in do_insert_tree()
349 				 struct dquot *dquot)  in dq_insert_tree()  argument
355 		quota_error(dquot->dq_sb, "Quota tree root isn't allocated!");  in dq_insert_tree()
359 	return do_insert_tree(info, dquot, &tmp, 0);  in dq_insert_tree()
366 int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)  in qtree_write_dquot()  argument
368 	int type = dquot->dq_id.type;  in qtree_write_dquot()
369 	struct super_block *sb = dquot->dq_sb;  in qtree_write_dquot()
377 	if (!dquot->dq_off) {  in qtree_write_dquot()
378 		ret = dq_insert_tree(info, dquot);  in qtree_write_dquot()
387 	info->dqi_ops->mem2disk_dqblk(ddquot, dquot);  in qtree_write_dquot()
390 				    dquot->dq_off);  in qtree_write_dquot()
406 static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot,  in free_dqentry()  argument
415 	if (dquot->dq_off >> info->dqi_blocksize_bits != blk) {  in free_dqentry()
416 		quota_error(dquot->dq_sb, "Quota structure has offset to "  in free_dqentry()
418 			(uint)(dquot->dq_off >> info->dqi_blocksize_bits));  in free_dqentry()
423 		quota_error(dquot->dq_sb, "Can't read quota data block %u",  in free_dqentry()
434 			quota_error(dquot->dq_sb, "Can't move quota data block "  in free_dqentry()
440 		       (dquot->dq_off & ((1 << info->dqi_blocksize_bits) - 1)),  in free_dqentry()
447 				quota_error(dquot->dq_sb, "Can't insert quota "  in free_dqentry()
454 				quota_error(dquot->dq_sb, "Can't write quota "  in free_dqentry()
460 	dquot->dq_off = 0;	/* Quota is now unattached */  in free_dqentry()
467 static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,  in remove_tree()  argument
479 		quota_error(dquot->dq_sb, "Can't read quota data block %u",  in remove_tree()
483 	newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);  in remove_tree()
485 		ret = free_dqentry(info, dquot, newblk);  in remove_tree()
488 		ret = remove_tree(info, dquot, &newblk, depth+1);  in remove_tree()
492 		ref[get_index(info, dquot->dq_id, depth)] = cpu_to_le32(0);  in remove_tree()
504 				quota_error(dquot->dq_sb,  in remove_tree()
515 int qtree_delete_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)  in qtree_delete_dquot()  argument
519 	if (!dquot->dq_off)	/* Even not allocated? */  in qtree_delete_dquot()
521 	return remove_tree(info, dquot, &tmp, 0);  in qtree_delete_dquot()
527 				 struct dquot *dquot, uint blk)  in find_block_dqentry()  argument
538 		quota_error(dquot->dq_sb, "Can't read quota tree "  in find_block_dqentry()
544 		if (info->dqi_ops->is_id(ddquot, dquot))  in find_block_dqentry()
549 		quota_error(dquot->dq_sb,  in find_block_dqentry()
551 			    from_kqid(&init_user_ns, dquot->dq_id));  in find_block_dqentry()
565 				struct dquot *dquot, uint blk, int depth)  in find_tree_dqentry()  argument
575 		quota_error(dquot->dq_sb, "Can't read quota tree block %u",  in find_tree_dqentry()
580 	blk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);  in find_tree_dqentry()
584 		ret = find_tree_dqentry(info, dquot, blk, depth+1);  in find_tree_dqentry()
586 		ret = find_block_dqentry(info, dquot, blk);  in find_tree_dqentry()
594 				  struct dquot *dquot)  in find_dqentry()  argument
596 	return find_tree_dqentry(info, dquot, QT_TREEOFF, 0);  in find_dqentry()
599 int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)  in qtree_read_dquot()  argument
601 	int type = dquot->dq_id.type;  in qtree_read_dquot()
602 	struct super_block *sb = dquot->dq_sb;  in qtree_read_dquot()
609 	if (!sb_dqopt(dquot->dq_sb)->files[type]) {  in qtree_read_dquot()
615 	if (!dquot->dq_off) {  in qtree_read_dquot()
616 		offset = find_dqentry(info, dquot);  in qtree_read_dquot()
622 						      dquot->dq_id));  in qtree_read_dquot()
623 			dquot->dq_off = 0;  in qtree_read_dquot()
624 			set_bit(DQ_FAKE_B, &dquot->dq_flags);  in qtree_read_dquot()
625 			memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk));  in qtree_read_dquot()
629 		dquot->dq_off = offset;  in qtree_read_dquot()
635 				   dquot->dq_off);  in qtree_read_dquot()
640 			    from_kqid(&init_user_ns, dquot->dq_id));  in qtree_read_dquot()
641 		set_bit(DQ_FAKE_B, &dquot->dq_flags);  in qtree_read_dquot()
642 		memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk));  in qtree_read_dquot()
647 	info->dqi_ops->disk2mem_dqblk(dquot, ddquot);  in qtree_read_dquot()
648 	if (!dquot->dq_dqb.dqb_bhardlimit &&  in qtree_read_dquot()
649 	    !dquot->dq_dqb.dqb_bsoftlimit &&  in qtree_read_dquot()
650 	    !dquot->dq_dqb.dqb_ihardlimit &&  in qtree_read_dquot()
651 	    !dquot->dq_dqb.dqb_isoftlimit)  in qtree_read_dquot()
652 		set_bit(DQ_FAKE_B, &dquot->dq_flags);  in qtree_read_dquot()
663 int qtree_release_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)  in qtree_release_dquot()  argument
665 	if (test_bit(DQ_FAKE_B, &dquot->dq_flags) &&  in qtree_release_dquot()
666 	    !(dquot->dq_dqb.dqb_curinodes | dquot->dq_dqb.dqb_curspace))  in qtree_release_dquot()
667 		return qtree_delete_dquot(info, dquot);  in qtree_release_dquot()