1876 void page_zero_new_buffers(struct page *page, unsigned from, unsigned to)  in page_zero_new_buffers()  argument
1891 			if (block_end > from && block_start < to) {  in page_zero_new_buffers()
1895 					start = max(from, block_start);  in page_zero_new_buffers()
1914 		unsigned from, unsigned to, get_block_t *get_block)  in __block_prepare_write()  argument
1923 	BUG_ON(from > PAGE_CACHE_SIZE);  in __block_prepare_write()
1925 	BUG_ON(from > to);  in __block_prepare_write()
1938 		if (block_end <= from || block_start >= to) {  in __block_prepare_write()
1961 				if (block_end > to || block_start < from)  in __block_prepare_write()
1964 						block_start, from);  in __block_prepare_write()
1975 		     (block_start < from || block_end > to)) {  in __block_prepare_write()
1989 		page_zero_new_buffers(page, from, to);  in __block_prepare_write()
1994 		unsigned from, unsigned to)  in __block_commit_write()  argument
2007 		if (block_end <= from || block_start >= to) {  in __block_commit_write()
2169 					unsigned long from)  in block_is_partially_uptodate()  argument
2181 	to = min_t(unsigned, PAGE_CACHE_SIZE - from, desc->count);  in block_is_partially_uptodate()
2182 	to = from + to;  in block_is_partially_uptodate()
2183 	if (from < blocksize && to > PAGE_CACHE_SIZE - blocksize)  in block_is_partially_uptodate()
2191 		if (block_end > from && block_start < to) {  in block_is_partially_uptodate()
2435 int block_prepare_write(struct page *page, unsigned from, unsigned to,  in block_prepare_write()  argument
2439 	int err = __block_prepare_write(inode, page, from, to, get_block);  in block_prepare_write()
2445 int block_commit_write(struct page *page, unsigned from, unsigned to)  in block_commit_write()  argument
2448 	__block_commit_write(inode,page,from,to);  in block_commit_write()
2548 	unsigned from, to;  in nobh_write_begin()  local
2557 	from = pos & (PAGE_CACHE_SIZE - 1);  in nobh_write_begin()
2558 	to = from + len;  in nobh_write_begin()
2622 			zero_user_segments(page, block_start, from,  in nobh_write_begin()
2628 		if (block_start < from || block_end > to) {  in nobh_write_begin()
2668 	page_zero_new_buffers(page, from, to);  in nobh_write_begin()
2769 			loff_t from, get_block_t *get_block)  in nobh_truncate_page()  argument
2771 	pgoff_t index = from >> PAGE_CACHE_SHIFT;  in nobh_truncate_page()
2772 	unsigned offset = from & (PAGE_CACHE_SIZE-1);  in nobh_truncate_page()
2800 		return block_truncate_page(mapping, from, get_block);  in nobh_truncate_page()
2845 			loff_t from, get_block_t *get_block)  in block_truncate_page()  argument
2847 	pgoff_t index = from >> PAGE_CACHE_SHIFT;  in block_truncate_page()
2848 	unsigned offset = from & (PAGE_CACHE_SIZE-1);  in block_truncate_page()