1911 	unsigned int block_start, block_end;  in page_zero_new_buffers()  local
1919 	block_start = 0;  in page_zero_new_buffers()
1921 		block_end = block_start + bh->b_size;  in page_zero_new_buffers()
1924 			if (block_end > from && block_start < to) {  in page_zero_new_buffers()
1928 					start = max(from, block_start);  in page_zero_new_buffers()
1940 		block_start = block_end;  in page_zero_new_buffers()
2007 	unsigned block_start, block_end;  in __block_write_begin_int()  local
2024 	for(bh = head, block_start = 0; bh != head || !block_start;  in __block_write_begin_int()
2025 	    block++, block_start=block_end, bh = bh->b_this_page) {  in __block_write_begin_int()
2026 		block_end = block_start + blocksize;  in __block_write_begin_int()
2027 		if (block_end <= from || block_start >= to) {  in __block_write_begin_int()
2054 				if (block_end > to || block_start < from)  in __block_write_begin_int()
2057 						block_start, from);  in __block_write_begin_int()
2068 		     (block_start < from || block_end > to)) {  in __block_write_begin_int()
2096 	unsigned block_start, block_end;  in __block_commit_write()  local
2104 	block_start = 0;  in __block_commit_write()
2106 		block_end = block_start + blocksize;  in __block_commit_write()
2107 		if (block_end <= from || block_start >= to) {  in __block_commit_write()
2116 		block_start = block_end;  in __block_commit_write()
2245 	unsigned block_start, block_end, blocksize;  in block_is_partially_uptodate()  local
2261 	block_start = 0;  in block_is_partially_uptodate()
2263 		block_end = block_start + blocksize;  in block_is_partially_uptodate()
2264 		if (block_end > from && block_start < to) {  in block_is_partially_uptodate()
2272 		block_start = block_end;  in block_is_partially_uptodate()
2618 	unsigned block_start, block_end;  in nobh_write_begin()  local
2666 	for (block_start = 0, block_in_page = 0, bh = head;  in nobh_write_begin()
2667 		  block_start < PAGE_SIZE;  in nobh_write_begin()
2668 		  block_in_page++, block_start += blocksize, bh = bh->b_this_page) {  in nobh_write_begin()
2671 		block_end = block_start + blocksize;  in nobh_write_begin()
2674 		if (block_start >= to)  in nobh_write_begin()
2689 			zero_user_segments(page, block_start, from,  in nobh_write_begin()
2695 		if (block_start < from || block_end > to) {  in nobh_write_begin()