258 			      struct dquot *dquot, int *err)  in find_free_dqentry()  argument
290 		mark_info_dirty(dquot->dq_sb, dquot->dq_id.type);  in find_free_dqentry()
296 			quota_error(dquot->dq_sb, "Can't remove block (%u) "  in find_free_dqentry()
311 		quota_error(dquot->dq_sb, "Data block full but it shouldn't");  in find_free_dqentry()
318 		quota_error(dquot->dq_sb, "Can't write quota data block %u",  in find_free_dqentry()
322 	dquot->dq_off = ((loff_t)blk << info->dqi_blocksize_bits) +  in find_free_dqentry()
333 static int do_insert_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,  in do_insert_tree()  argument
353 			quota_error(dquot->dq_sb, "Can't read tree quota "  in do_insert_tree()
359 	newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);  in do_insert_tree()
365 			quota_error(dquot->dq_sb, "Inserting already present "  in do_insert_tree()
368 						dquot->dq_id, depth)]));  in do_insert_tree()
373 		newblk = find_free_dqentry(info, dquot, &ret);  in do_insert_tree()
375 		ret = do_insert_tree(info, dquot, &newblk, depth+1);  in do_insert_tree()
378 		ref[get_index(info, dquot->dq_id, depth)] =  in do_insert_tree()
391 				 struct dquot *dquot)  in dq_insert_tree()  argument
397 		quota_error(dquot->dq_sb, "Quota tree root isn't allocated!");  in dq_insert_tree()
401 	return do_insert_tree(info, dquot, &tmp, 0);  in dq_insert_tree()
408 int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)  in qtree_write_dquot()  argument
410 	int type = dquot->dq_id.type;  in qtree_write_dquot()
411 	struct super_block *sb = dquot->dq_sb;  in qtree_write_dquot()
419 	if (!dquot->dq_off) {  in qtree_write_dquot()
420 		ret = dq_insert_tree(info, dquot);  in qtree_write_dquot()
428 	spin_lock(&dquot->dq_dqb_lock);  in qtree_write_dquot()
429 	info->dqi_ops->mem2disk_dqblk(ddquot, dquot);  in qtree_write_dquot()
430 	spin_unlock(&dquot->dq_dqb_lock);  in qtree_write_dquot()
432 				    dquot->dq_off);  in qtree_write_dquot()
448 static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot,  in free_dqentry()  argument
457 	if (dquot->dq_off >> info->dqi_blocksize_bits != blk) {  in free_dqentry()
458 		quota_error(dquot->dq_sb, "Quota structure has offset to "  in free_dqentry()
460 			(uint)(dquot->dq_off >> info->dqi_blocksize_bits));  in free_dqentry()
466 		quota_error(dquot->dq_sb, "Can't read quota data block %u",  in free_dqentry()
480 			quota_error(dquot->dq_sb, "Can't move quota data block "  in free_dqentry()
486 		       (dquot->dq_off & ((1 << info->dqi_blocksize_bits) - 1)),  in free_dqentry()
493 				quota_error(dquot->dq_sb, "Can't insert quota "  in free_dqentry()
500 				quota_error(dquot->dq_sb, "Can't write quota "  in free_dqentry()
506 	dquot->dq_off = 0;	/* Quota is now unattached */  in free_dqentry()
513 static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,  in remove_tree()  argument
525 		quota_error(dquot->dq_sb, "Can't read quota data block %u",  in remove_tree()
529 	newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);  in remove_tree()
531 		quota_error(dquot->dq_sb, "Getting block too big (%u >= %u)",  in remove_tree()
538 		ret = free_dqentry(info, dquot, newblk);  in remove_tree()
541 		ret = remove_tree(info, dquot, &newblk, depth+1);  in remove_tree()
545 		ref[get_index(info, dquot->dq_id, depth)] = cpu_to_le32(0);  in remove_tree()
557 				quota_error(dquot->dq_sb,  in remove_tree()
568 int qtree_delete_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)  in qtree_delete_dquot()  argument
572 	if (!dquot->dq_off)	/* Even not allocated? */  in qtree_delete_dquot()
574 	return remove_tree(info, dquot, &tmp, 0);  in qtree_delete_dquot()
580 				 struct dquot *dquot, uint blk)  in find_block_dqentry()  argument
591 		quota_error(dquot->dq_sb, "Can't read quota tree "  in find_block_dqentry()
597 		if (info->dqi_ops->is_id(ddquot, dquot))  in find_block_dqentry()
602 		quota_error(dquot->dq_sb,  in find_block_dqentry()
604 			    from_kqid(&init_user_ns, dquot->dq_id));  in find_block_dqentry()
618 				struct dquot *dquot, uint blk, int depth)  in find_tree_dqentry()  argument
628 		quota_error(dquot->dq_sb, "Can't read quota tree block %u",  in find_tree_dqentry()
633 	blk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);  in find_tree_dqentry()
637 		quota_error(dquot->dq_sb, "Getting block too big (%u >= %u)",  in find_tree_dqentry()
644 		ret = find_tree_dqentry(info, dquot, blk, depth+1);  in find_tree_dqentry()
646 		ret = find_block_dqentry(info, dquot, blk);  in find_tree_dqentry()
654 				  struct dquot *dquot)  in find_dqentry()  argument
656 	return find_tree_dqentry(info, dquot, QT_TREEOFF, 0);  in find_dqentry()
659 int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)  in qtree_read_dquot()  argument
661 	int type = dquot->dq_id.type;  in qtree_read_dquot()
662 	struct super_block *sb = dquot->dq_sb;  in qtree_read_dquot()
669 	if (!sb_dqopt(dquot->dq_sb)->files[type]) {  in qtree_read_dquot()
675 	if (!dquot->dq_off) {  in qtree_read_dquot()
676 		offset = find_dqentry(info, dquot);  in qtree_read_dquot()
682 						      dquot->dq_id));  in qtree_read_dquot()
683 			dquot->dq_off = 0;  in qtree_read_dquot()
684 			set_bit(DQ_FAKE_B, &dquot->dq_flags);  in qtree_read_dquot()
685 			memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk));  in qtree_read_dquot()
689 		dquot->dq_off = offset;  in qtree_read_dquot()
695 				   dquot->dq_off);  in qtree_read_dquot()
700 			    from_kqid(&init_user_ns, dquot->dq_id));  in qtree_read_dquot()
701 		set_bit(DQ_FAKE_B, &dquot->dq_flags);  in qtree_read_dquot()
702 		memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk));  in qtree_read_dquot()
706 	spin_lock(&dquot->dq_dqb_lock);  in qtree_read_dquot()
707 	info->dqi_ops->disk2mem_dqblk(dquot, ddquot);  in qtree_read_dquot()
708 	if (!dquot->dq_dqb.dqb_bhardlimit &&  in qtree_read_dquot()
709 	    !dquot->dq_dqb.dqb_bsoftlimit &&  in qtree_read_dquot()
710 	    !dquot->dq_dqb.dqb_ihardlimit &&  in qtree_read_dquot()
711 	    !dquot->dq_dqb.dqb_isoftlimit)  in qtree_read_dquot()
712 		set_bit(DQ_FAKE_B, &dquot->dq_flags);  in qtree_read_dquot()
713 	spin_unlock(&dquot->dq_dqb_lock);  in qtree_read_dquot()
723 int qtree_release_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)  in qtree_release_dquot()  argument
725 	if (test_bit(DQ_FAKE_B, &dquot->dq_flags) &&  in qtree_release_dquot()
726 	    !(dquot->dq_dqb.dqb_curinodes | dquot->dq_dqb.dqb_curspace))  in qtree_release_dquot()
727 		return qtree_delete_dquot(info, dquot);  in qtree_release_dquot()