357 	struct extent_position oepos, epos;  in udf_table_free_blocks()  local
378 	epos.offset = oepos.offset = sizeof(struct unallocSpaceEntry);  in udf_table_free_blocks()
380 	epos.block = oepos.block = iinfo->i_location;  in udf_table_free_blocks()
381 	epos.bh = oepos.bh = NULL;  in udf_table_free_blocks()
384 	       (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {  in udf_table_free_blocks()
424 		if (epos.bh != oepos.bh) {  in udf_table_free_blocks()
425 			oepos.block = epos.block;  in udf_table_free_blocks()
427 			get_bh(epos.bh);  in udf_table_free_blocks()
428 			oepos.bh = epos.bh;  in udf_table_free_blocks()
431 			oepos.offset = epos.offset;  in udf_table_free_blocks()
464 			brelse(epos.bh);  in udf_table_free_blocks()
468 		if (epos.offset + (2 * adsize) > sb->s_blocksize) {  in udf_table_free_blocks()
473 			oepos = epos;  in udf_table_free_blocks()
476 			epos.block.logicalBlockNum = eloc.logicalBlockNum;  in udf_table_free_blocks()
480 			epos.bh = udf_tread(sb,  in udf_table_free_blocks()
481 					udf_get_lb_pblock(sb, &epos.block, 0));  in udf_table_free_blocks()
482 			if (!epos.bh) {  in udf_table_free_blocks()
486 			aed = (struct allocExtDesc *)(epos.bh->b_data);  in udf_table_free_blocks()
489 			if (epos.offset + adsize > sb->s_blocksize) {  in udf_table_free_blocks()
490 				loffset = epos.offset;  in udf_table_free_blocks()
492 				sptr = iinfo->i_ext.i_data + epos.offset  in udf_table_free_blocks()
494 				dptr = epos.bh->b_data +  in udf_table_free_blocks()
497 				epos.offset = sizeof(struct allocExtDesc) +  in udf_table_free_blocks()
500 				loffset = epos.offset + adsize;  in udf_table_free_blocks()
503 					sptr = oepos.bh->b_data + epos.offset;  in udf_table_free_blocks()
510 								epos.offset;  in udf_table_free_blocks()
514 				epos.offset = sizeof(struct allocExtDesc);  in udf_table_free_blocks()
517 				udf_new_tag(epos.bh->b_data, TAG_IDENT_AED,  in udf_table_free_blocks()
518 					    3, 1, epos.block.logicalBlockNum,  in udf_table_free_blocks()
521 				udf_new_tag(epos.bh->b_data, TAG_IDENT_AED,  in udf_table_free_blocks()
522 					    2, 1, epos.block.logicalBlockNum,  in udf_table_free_blocks()
532 					cpu_to_le32(epos.block.logicalBlockNum);  in udf_table_free_blocks()
540 					cpu_to_lelb(epos.block);  in udf_table_free_blocks()
553 			udf_write_aext(table, &epos, &eloc, elen, 1);  in udf_table_free_blocks()
555 			if (!epos.bh) {  in udf_table_free_blocks()
559 				aed = (struct allocExtDesc *)epos.bh->b_data;  in udf_table_free_blocks()
561 				udf_update_tag(epos.bh->b_data, epos.offset);  in udf_table_free_blocks()
562 				mark_buffer_dirty(epos.bh);  in udf_table_free_blocks()
567 	brelse(epos.bh);  in udf_table_free_blocks()
583 	struct extent_position epos;  in udf_table_prealloc_blocks()  local
599 	epos.offset = sizeof(struct unallocSpaceEntry);  in udf_table_prealloc_blocks()
600 	epos.block = iinfo->i_location;  in udf_table_prealloc_blocks()
601 	epos.bh = NULL;  in udf_table_prealloc_blocks()
605 	       (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {  in udf_table_prealloc_blocks()
612 		epos.offset -= adsize;  in udf_table_prealloc_blocks()
619 			udf_write_aext(table, &epos, &eloc,  in udf_table_prealloc_blocks()
622 			udf_delete_aext(table, epos, eloc,  in udf_table_prealloc_blocks()
628 	brelse(epos.bh);  in udf_table_prealloc_blocks()
645 	struct extent_position epos, goal_epos;  in udf_table_new_block()  local
667 	epos.offset = sizeof(struct unallocSpaceEntry);  in udf_table_new_block()
668 	epos.block = iinfo->i_location;  in udf_table_new_block()
669 	epos.bh = goal_epos.bh = NULL;  in udf_table_new_block()
672 	       (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {  in udf_table_new_block()
686 			if (goal_epos.bh != epos.bh) {  in udf_table_new_block()
688 				goal_epos.bh = epos.bh;  in udf_table_new_block()
691 			goal_epos.block = epos.block;  in udf_table_new_block()
692 			goal_epos.offset = epos.offset - adsize;  in udf_table_new_block()
698 	brelse(epos.bh);  in udf_table_new_block()