76 		brelse(iinfo->cached_extent.epos.bh);  in __udf_clear_extent_cache()
103 		memcpy(pos, &iinfo->cached_extent.epos,  in udf_read_extent_cache()
124 	memcpy(&iinfo->cached_extent.epos, pos, sizeof(*pos));  in udf_update_extent_cache()
128 		iinfo->cached_extent.epos.offset -= sizeof(struct short_ad);  in udf_update_extent_cache()
131 		iinfo->cached_extent.epos.offset -= sizeof(struct long_ad);  in udf_update_extent_cache()
335 	struct extent_position epos;  in udf_expand_dir_adinicb()  local
407 	epos.bh = NULL;  in udf_expand_dir_adinicb()
408 	epos.block = iinfo->i_location;  in udf_expand_dir_adinicb()
409 	epos.offset = udf_file_entry_alloc_offset(inode);  in udf_expand_dir_adinicb()
410 	udf_add_aext(inode, &epos, &eloc, inode->i_size, 0);  in udf_expand_dir_adinicb()
413 	brelse(epos.bh);  in udf_expand_dir_adinicb()
630 	struct extent_position epos;  in udf_extend_file()  local
650 	etype = inode_bmap(inode, first_block, &epos, &eloc, &elen, &offset);  in udf_extend_file()
653 	if ((!epos.bh && epos.offset == udf_file_entry_alloc_offset(inode)) ||  in udf_extend_file()
654 	    (epos.bh && epos.offset == sizeof(struct allocExtDesc))) {  in udf_extend_file()
661 		epos.offset -= adsize;  in udf_extend_file()
662 		etype = udf_next_aext(inode, &epos, &extent.extLocation,  in udf_extend_file()
674 		udf_do_extend_final_block(inode, &epos, &extent,  in udf_extend_file()
679 		err = udf_do_extend_file(inode, &epos, &extent, add);  in udf_extend_file()
687 	brelse(epos.bh);  in udf_extend_file()
1179 			       struct extent_position *epos)  in udf_update_extents()  argument
1187 			udf_delete_aext(inode, *epos);  in udf_update_extents()
1190 			udf_insert_aext(inode, *epos, laarr[i].extLocation,  in udf_update_extents()
1192 			udf_next_aext(inode, epos, &laarr[i].extLocation,  in udf_update_extents()
1199 		udf_next_aext(inode, epos, &tmploc, &tmplen, 0);  in udf_update_extents()
1200 		udf_write_aext(inode, epos, &laarr[i].extLocation,  in udf_update_extents()
1927 			    struct extent_position *epos)  in udf_setup_indirect_aext()  argument
1944 	neloc.partitionReferenceNum = epos->block.partitionReferenceNum;  in udf_setup_indirect_aext()
1958 				cpu_to_le32(epos->block.logicalBlockNum);  in udf_setup_indirect_aext()
1976 	if (epos->offset + adsize > sb->s_blocksize) {  in udf_setup_indirect_aext()
1981 		epos->offset -= adsize;  in udf_setup_indirect_aext()
1982 		cp_type = udf_current_aext(inode, epos, &cp_loc, &cp_len, 0);  in udf_setup_indirect_aext()
1986 		udf_write_aext(inode, epos, &nepos.block,  in udf_setup_indirect_aext()
1989 		__udf_add_aext(inode, epos, &nepos.block,  in udf_setup_indirect_aext()
1993 	brelse(epos->bh);  in udf_setup_indirect_aext()
1994 	*epos = nepos;  in udf_setup_indirect_aext()
2004 int __udf_add_aext(struct inode *inode, struct extent_position *epos,  in __udf_add_aext()  argument
2018 	if (!epos->bh) {  in __udf_add_aext()
2020 			epos->offset - udf_file_entry_alloc_offset(inode));  in __udf_add_aext()
2022 		aed = (struct allocExtDesc *)epos->bh->b_data;  in __udf_add_aext()
2024 			epos->offset - sizeof(struct allocExtDesc));  in __udf_add_aext()
2025 		WARN_ON(epos->offset + adsize > inode->i_sb->s_blocksize);  in __udf_add_aext()
2028 	udf_write_aext(inode, epos, eloc, elen, inc);  in __udf_add_aext()
2030 	if (!epos->bh) {  in __udf_add_aext()
2034 		aed = (struct allocExtDesc *)epos->bh->b_data;  in __udf_add_aext()
2038 			udf_update_tag(epos->bh->b_data,  in __udf_add_aext()
2039 					epos->offset + (inc ? 0 : adsize));  in __udf_add_aext()
2041 			udf_update_tag(epos->bh->b_data,  in __udf_add_aext()
2043 		mark_buffer_dirty_inode(epos->bh, inode);  in __udf_add_aext()
2053 int udf_add_aext(struct inode *inode, struct extent_position *epos,  in udf_add_aext()  argument
2066 	if (epos->offset + (2 * adsize) > sb->s_blocksize) {  in udf_add_aext()
2071 					  epos->block.partitionReferenceNum,  in udf_add_aext()
2072 					  epos->block.logicalBlockNum, &err);  in udf_add_aext()
2076 		err = udf_setup_indirect_aext(inode, new_block, epos);  in udf_add_aext()
2081 	return __udf_add_aext(inode, epos, eloc, elen, inc);  in udf_add_aext()
2084 void udf_write_aext(struct inode *inode, struct extent_position *epos,  in udf_write_aext()  argument
2093 	if (!epos->bh)  in udf_write_aext()
2094 		ptr = iinfo->i_data + epos->offset -  in udf_write_aext()
2098 		ptr = epos->bh->b_data + epos->offset;  in udf_write_aext()
2118 	if (epos->bh) {  in udf_write_aext()
2122 				(struct allocExtDesc *)epos->bh->b_data;  in udf_write_aext()
2123 			udf_update_tag(epos->bh->b_data,  in udf_write_aext()
2127 		mark_buffer_dirty_inode(epos->bh, inode);  in udf_write_aext()
2133 		epos->offset += adsize;  in udf_write_aext()
2142 int8_t udf_next_aext(struct inode *inode, struct extent_position *epos,  in udf_next_aext()  argument
2148 	while ((etype = udf_current_aext(inode, epos, eloc, elen, inc)) ==  in udf_next_aext()
2159 		epos->block = *eloc;  in udf_next_aext()
2160 		epos->offset = sizeof(struct allocExtDesc);  in udf_next_aext()
2161 		brelse(epos->bh);  in udf_next_aext()
2162 		block = udf_get_lb_pblock(inode->i_sb, &epos->block, 0);  in udf_next_aext()
2163 		epos->bh = udf_tread(inode->i_sb, block);  in udf_next_aext()
2164 		if (!epos->bh) {  in udf_next_aext()
2173 int8_t udf_current_aext(struct inode *inode, struct extent_position *epos,  in udf_current_aext()  argument
2183 	if (!epos->bh) {  in udf_current_aext()
2184 		if (!epos->offset)  in udf_current_aext()
2185 			epos->offset = udf_file_entry_alloc_offset(inode);  in udf_current_aext()
2186 		ptr = iinfo->i_data + epos->offset -  in udf_current_aext()
2192 		if (!epos->offset)  in udf_current_aext()
2193 			epos->offset = sizeof(struct allocExtDesc);  in udf_current_aext()
2194 		ptr = epos->bh->b_data + epos->offset;  in udf_current_aext()
2196 			le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->  in udf_current_aext()
2202 		sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc);  in udf_current_aext()
2212 		lad = udf_get_filelongad(ptr, alen, &epos->offset, inc);  in udf_current_aext()
2227 static int8_t udf_insert_aext(struct inode *inode, struct extent_position epos,  in udf_insert_aext()  argument
2234 	if (epos.bh)  in udf_insert_aext()
2235 		get_bh(epos.bh);  in udf_insert_aext()
2237 	while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) {  in udf_insert_aext()
2238 		udf_write_aext(inode, &epos, &neloc, nelen, 1);  in udf_insert_aext()
2242 	udf_add_aext(inode, &epos, &neloc, nelen, 1);  in udf_insert_aext()
2243 	brelse(epos.bh);  in udf_insert_aext()
2248 int8_t udf_delete_aext(struct inode *inode, struct extent_position epos)  in udf_delete_aext()  argument
2258 	if (epos.bh) {  in udf_delete_aext()
2259 		get_bh(epos.bh);  in udf_delete_aext()
2260 		get_bh(epos.bh);  in udf_delete_aext()
2271 	oepos = epos;  in udf_delete_aext()
2272 	if (udf_next_aext(inode, &epos, &eloc, &elen, 1) == -1)  in udf_delete_aext()
2275 	while ((etype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) {  in udf_delete_aext()
2277 		if (oepos.bh != epos.bh) {  in udf_delete_aext()
2278 			oepos.block = epos.block;  in udf_delete_aext()
2280 			get_bh(epos.bh);  in udf_delete_aext()
2281 			oepos.bh = epos.bh;  in udf_delete_aext()
2282 			oepos.offset = epos.offset - adsize;  in udf_delete_aext()
2288 	if (epos.bh != oepos.bh) {  in udf_delete_aext()
2289 		udf_free_blocks(inode->i_sb, inode, &epos.block, 0, 1);  in udf_delete_aext()
2318 						epos.offset - adsize);  in udf_delete_aext()
2326 	brelse(epos.bh);  in udf_delete_aext()
2369 	struct extent_position epos = {};  in udf_block_map()  local
2374 	if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) ==  in udf_block_map()
2381 	brelse(epos.bh);  in udf_block_map()