1838 	unsigned int block_start, block_end;  in page_zero_new_buffers()  local
1846 	block_start = 0;  in page_zero_new_buffers()
1848 		block_end = block_start + bh->b_size;  in page_zero_new_buffers()
1851 			if (block_end > from && block_start < to) {  in page_zero_new_buffers()
1855 					start = max(from, block_start);  in page_zero_new_buffers()
1867 		block_start = block_end;  in page_zero_new_buffers()
1934 	unsigned block_start, block_end;  in __block_write_begin_int()  local
1951 	for(bh = head, block_start = 0; bh != head || !block_start;  in __block_write_begin_int()
1952 	    block++, block_start=block_end, bh = bh->b_this_page) {  in __block_write_begin_int()
1953 		block_end = block_start + blocksize;  in __block_write_begin_int()
1954 		if (block_end <= from || block_start >= to) {  in __block_write_begin_int()
1981 				if (block_end > to || block_start < from)  in __block_write_begin_int()
1984 						block_start, from);  in __block_write_begin_int()
1995 		     (block_start < from || block_end > to)) {  in __block_write_begin_int()
2023 	unsigned block_start, block_end;  in __block_commit_write()  local
2031 	block_start = 0;  in __block_commit_write()
2033 		block_end = block_start + blocksize;  in __block_commit_write()
2034 		if (block_end <= from || block_start >= to) {  in __block_commit_write()
2043 		block_start = block_end;  in __block_commit_write()
2176 	unsigned block_start, block_end, blocksize;  in block_is_partially_uptodate()  local
2192 	block_start = 0;  in block_is_partially_uptodate()
2194 		block_end = block_start + blocksize;  in block_is_partially_uptodate()
2195 		if (block_end > from && block_start < to) {  in block_is_partially_uptodate()
2203 		block_start = block_end;  in block_is_partially_uptodate()
2549 	unsigned block_start, block_end;  in nobh_write_begin()  local
2597 	for (block_start = 0, block_in_page = 0, bh = head;  in nobh_write_begin()
2598 		  block_start < PAGE_SIZE;  in nobh_write_begin()
2599 		  block_in_page++, block_start += blocksize, bh = bh->b_this_page) {  in nobh_write_begin()
2602 		block_end = block_start + blocksize;  in nobh_write_begin()
2605 		if (block_start >= to)  in nobh_write_begin()
2620 			zero_user_segments(page, block_start, from,  in nobh_write_begin()
2626 		if (block_start < from || block_end > to) {  in nobh_write_begin()