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()
1921 			    struct extent_position *epos)  in udf_setup_indirect_aext()  argument
1938 	neloc.partitionReferenceNum = epos->block.partitionReferenceNum;  in udf_setup_indirect_aext()
1952 				cpu_to_le32(epos->block.logicalBlockNum);  in udf_setup_indirect_aext()
1970 	if (epos->offset + adsize > sb->s_blocksize) {  in udf_setup_indirect_aext()
1975 		epos->offset -= adsize;  in udf_setup_indirect_aext()
1976 		cp_type = udf_current_aext(inode, epos, &cp_loc, &cp_len, 0);  in udf_setup_indirect_aext()
1980 		udf_write_aext(inode, epos, &nepos.block,  in udf_setup_indirect_aext()
1983 		__udf_add_aext(inode, epos, &nepos.block,  in udf_setup_indirect_aext()
1987 	brelse(epos->bh);  in udf_setup_indirect_aext()
1988 	*epos = nepos;  in udf_setup_indirect_aext()
1998 int __udf_add_aext(struct inode *inode, struct extent_position *epos,  in __udf_add_aext()  argument
2012 	if (!epos->bh) {  in __udf_add_aext()
2014 			epos->offset - udf_file_entry_alloc_offset(inode));  in __udf_add_aext()
2016 		aed = (struct allocExtDesc *)epos->bh->b_data;  in __udf_add_aext()
2018 			epos->offset - sizeof(struct allocExtDesc));  in __udf_add_aext()
2019 		WARN_ON(epos->offset + adsize > inode->i_sb->s_blocksize);  in __udf_add_aext()
2022 	udf_write_aext(inode, epos, eloc, elen, inc);  in __udf_add_aext()
2024 	if (!epos->bh) {  in __udf_add_aext()
2028 		aed = (struct allocExtDesc *)epos->bh->b_data;  in __udf_add_aext()
2032 			udf_update_tag(epos->bh->b_data,  in __udf_add_aext()
2033 					epos->offset + (inc ? 0 : adsize));  in __udf_add_aext()
2035 			udf_update_tag(epos->bh->b_data,  in __udf_add_aext()
2037 		mark_buffer_dirty_inode(epos->bh, inode);  in __udf_add_aext()
2047 int udf_add_aext(struct inode *inode, struct extent_position *epos,  in udf_add_aext()  argument
2060 	if (epos->offset + (2 * adsize) > sb->s_blocksize) {  in udf_add_aext()
2065 					  epos->block.partitionReferenceNum,  in udf_add_aext()
2066 					  epos->block.logicalBlockNum, &err);  in udf_add_aext()
2070 		err = udf_setup_indirect_aext(inode, new_block, epos);  in udf_add_aext()
2075 	return __udf_add_aext(inode, epos, eloc, elen, inc);  in udf_add_aext()
2078 void udf_write_aext(struct inode *inode, struct extent_position *epos,  in udf_write_aext()  argument
2087 	if (!epos->bh)  in udf_write_aext()
2088 		ptr = iinfo->i_data + epos->offset -  in udf_write_aext()
2092 		ptr = epos->bh->b_data + epos->offset;  in udf_write_aext()
2112 	if (epos->bh) {  in udf_write_aext()
2116 				(struct allocExtDesc *)epos->bh->b_data;  in udf_write_aext()
2117 			udf_update_tag(epos->bh->b_data,  in udf_write_aext()
2121 		mark_buffer_dirty_inode(epos->bh, inode);  in udf_write_aext()
2127 		epos->offset += adsize;  in udf_write_aext()
2136 int8_t udf_next_aext(struct inode *inode, struct extent_position *epos,  in udf_next_aext()  argument
2142 	while ((etype = udf_current_aext(inode, epos, eloc, elen, inc)) ==  in udf_next_aext()
2153 		epos->block = *eloc;  in udf_next_aext()
2154 		epos->offset = sizeof(struct allocExtDesc);  in udf_next_aext()
2155 		brelse(epos->bh);  in udf_next_aext()
2156 		block = udf_get_lb_pblock(inode->i_sb, &epos->block, 0);  in udf_next_aext()
2157 		epos->bh = udf_tread(inode->i_sb, block);  in udf_next_aext()
2158 		if (!epos->bh) {  in udf_next_aext()
2167 int8_t udf_current_aext(struct inode *inode, struct extent_position *epos,  in udf_current_aext()  argument
2177 	if (!epos->bh) {  in udf_current_aext()
2178 		if (!epos->offset)  in udf_current_aext()
2179 			epos->offset = udf_file_entry_alloc_offset(inode);  in udf_current_aext()
2180 		ptr = iinfo->i_data + epos->offset -  in udf_current_aext()
2186 		if (!epos->offset)  in udf_current_aext()
2187 			epos->offset = sizeof(struct allocExtDesc);  in udf_current_aext()
2188 		ptr = epos->bh->b_data + epos->offset;  in udf_current_aext()
2190 			le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->  in udf_current_aext()
2196 		sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc);  in udf_current_aext()
2206 		lad = udf_get_filelongad(ptr, alen, &epos->offset, inc);  in udf_current_aext()
2221 static int8_t udf_insert_aext(struct inode *inode, struct extent_position epos,  in udf_insert_aext()  argument
2228 	if (epos.bh)  in udf_insert_aext()
2229 		get_bh(epos.bh);  in udf_insert_aext()
2231 	while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) {  in udf_insert_aext()
2232 		udf_write_aext(inode, &epos, &neloc, nelen, 1);  in udf_insert_aext()
2236 	udf_add_aext(inode, &epos, &neloc, nelen, 1);  in udf_insert_aext()
2237 	brelse(epos.bh);  in udf_insert_aext()
2242 int8_t udf_delete_aext(struct inode *inode, struct extent_position epos)  in udf_delete_aext()  argument
2252 	if (epos.bh) {  in udf_delete_aext()
2253 		get_bh(epos.bh);  in udf_delete_aext()
2254 		get_bh(epos.bh);  in udf_delete_aext()
2265 	oepos = epos;  in udf_delete_aext()
2266 	if (udf_next_aext(inode, &epos, &eloc, &elen, 1) == -1)  in udf_delete_aext()
2269 	while ((etype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) {  in udf_delete_aext()
2271 		if (oepos.bh != epos.bh) {  in udf_delete_aext()
2272 			oepos.block = epos.block;  in udf_delete_aext()
2274 			get_bh(epos.bh);  in udf_delete_aext()
2275 			oepos.bh = epos.bh;  in udf_delete_aext()
2276 			oepos.offset = epos.offset - adsize;  in udf_delete_aext()
2282 	if (epos.bh != oepos.bh) {  in udf_delete_aext()
2283 		udf_free_blocks(inode->i_sb, inode, &epos.block, 0, 1);  in udf_delete_aext()
2312 						epos.offset - adsize);  in udf_delete_aext()
2320 	brelse(epos.bh);  in udf_delete_aext()
2363 	struct extent_position epos = {};  in udf_block_map()  local
2368 	if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) ==  in udf_block_map()
2375 	brelse(epos.bh);  in udf_block_map()