1883 	unsigned int block_start, block_end;  in page_zero_new_buffers()  local
1891 	block_start = 0;  in page_zero_new_buffers()
1893 		block_end = block_start + bh->b_size;  in page_zero_new_buffers()
1896 			if (block_end > from && block_start < to) {  in page_zero_new_buffers()
1900 					start = max(from, block_start);  in page_zero_new_buffers()
1912 		block_start = block_end;  in page_zero_new_buffers()
1979 	unsigned block_start, block_end;  in __block_write_begin_int()  local
1996 	for(bh = head, block_start = 0; bh != head || !block_start;  in __block_write_begin_int()
1997 	    block++, block_start=block_end, bh = bh->b_this_page) {  in __block_write_begin_int()
1998 		block_end = block_start + blocksize;  in __block_write_begin_int()
1999 		if (block_end <= from || block_start >= to) {  in __block_write_begin_int()
2026 				if (block_end > to || block_start < from)  in __block_write_begin_int()
2029 						block_start, from);  in __block_write_begin_int()
2040 		     (block_start < from || block_end > to)) {  in __block_write_begin_int()
2068 	unsigned block_start, block_end;  in __block_commit_write()  local
2076 	block_start = 0;  in __block_commit_write()
2078 		block_end = block_start + blocksize;  in __block_commit_write()
2079 		if (block_end <= from || block_start >= to) {  in __block_commit_write()
2088 		block_start = block_end;  in __block_commit_write()
2217 	unsigned block_start, block_end, blocksize;  in block_is_partially_uptodate()  local
2233 	block_start = 0;  in block_is_partially_uptodate()
2235 		block_end = block_start + blocksize;  in block_is_partially_uptodate()
2236 		if (block_end > from && block_start < to) {  in block_is_partially_uptodate()
2244 		block_start = block_end;  in block_is_partially_uptodate()
2590 	unsigned block_start, block_end;  in nobh_write_begin()  local
2638 	for (block_start = 0, block_in_page = 0, bh = head;  in nobh_write_begin()
2639 		  block_start < PAGE_SIZE;  in nobh_write_begin()
2640 		  block_in_page++, block_start += blocksize, bh = bh->b_this_page) {  in nobh_write_begin()
2643 		block_end = block_start + blocksize;  in nobh_write_begin()
2646 		if (block_start >= to)  in nobh_write_begin()
2661 			zero_user_segments(page, block_start, from,  in nobh_write_begin()
2667 		if (block_start < from || block_end > to) {  in nobh_write_begin()