143 	u64 p_blkno, count, past_eof;  in ocfs2_get_block()  local
159 	err = ocfs2_extent_map_get_blocks(inode, iblock, &p_blkno, &count,  in ocfs2_get_block()
164 		     (unsigned long long)p_blkno);  in ocfs2_get_block()
182 	if (create && p_blkno == 0 && ocfs2_sparse_alloc(osb)) {  in ocfs2_get_block()
189 	if (p_blkno && !(ext_flags & OCFS2_EXT_UNWRITTEN))  in ocfs2_get_block()
190 		map_bh(bh_result, inode->i_sb, p_blkno);  in ocfs2_get_block()
195 		if (p_blkno == 0) {  in ocfs2_get_block()
200 			     (unsigned long long)p_blkno,  in ocfs2_get_block()
460 	u64 p_blkno = 0;  in ocfs2_bmap()  local
481 		err = ocfs2_extent_map_get_blocks(inode, block, &p_blkno, NULL,  in ocfs2_bmap()
497 	status = err ? 0 : p_blkno;  in ocfs2_bmap()
521 	u64 p_blkno, inode_blocks, contig_blocks;  in ocfs2_direct_IO_get_blocks()  local
540 	ret = ocfs2_extent_map_get_blocks(inode, iblock, &p_blkno,  in ocfs2_direct_IO_get_blocks()
555 	if (!p_blkno && create) {  in ocfs2_direct_IO_get_blocks()
583 		ret = ocfs2_extent_map_get_blocks(inode, iblock, &p_blkno,  in ocfs2_direct_IO_get_blocks()
602 	if (p_blkno && !(ext_flags & OCFS2_EXT_UNWRITTEN))  in ocfs2_direct_IO_get_blocks()
603 		map_bh(bh_result, inode->i_sb, p_blkno);  in ocfs2_direct_IO_get_blocks()
1099 int ocfs2_map_page_blocks(struct page *page, u64 *p_blkno,  in ocfs2_map_page_blocks()  argument
1136 			map_bh(bh, inode->i_sb, *p_blkno);  in ocfs2_map_page_blocks()
1151 		*p_blkno = *p_blkno + 1;  in ocfs2_map_page_blocks()
1413 static int ocfs2_prepare_page_for_write(struct inode *inode, u64 *p_blkno,  in ocfs2_prepare_page_for_write()  argument
1438 			ret = ocfs2_map_page_blocks(page, p_blkno, inode,  in ocfs2_prepare_page_for_write()
1442 			ret = ocfs2_map_page_blocks(page, p_blkno, inode,  in ocfs2_prepare_page_for_write()
1466 		ret = ocfs2_map_page_blocks(page, p_blkno, inode,  in ocfs2_prepare_page_for_write()
1589 	u64 v_blkno, p_blkno;  in ocfs2_write_cluster()  local
1643 	ret = ocfs2_extent_map_get_blocks(inode, v_blkno, &p_blkno, NULL,  in ocfs2_write_cluster()
1653 	BUG_ON(p_blkno == 0);  in ocfs2_write_cluster()
1658 		tmpret = ocfs2_prepare_page_for_write(inode, &p_blkno, wc,  in ocfs2_write_cluster()