43 static int ufs_commit_chunk(struct page *page, loff_t pos, unsigned len)  in ufs_commit_chunk()  argument
45 	struct address_space *mapping = page->mapping;  in ufs_commit_chunk()
50 	block_write_end(NULL, mapping, pos, len, len, page, NULL);  in ufs_commit_chunk()
56 		err = write_one_page(page, 1);  in ufs_commit_chunk()
58 		unlock_page(page);  in ufs_commit_chunk()
62 static inline void ufs_put_page(struct page *page)  in ufs_put_page()  argument
64 	kunmap(page);  in ufs_put_page()
65 	page_cache_release(page);  in ufs_put_page()
72 	struct page *page;  in ufs_inode_by_name()  local
74 	de = ufs_find_entry(dir, qstr, &page);  in ufs_inode_by_name()
77 		ufs_put_page(page);  in ufs_inode_by_name()
85 		  struct page *page, struct inode *inode,  in ufs_set_link()  argument
88 	loff_t pos = page_offset(page) +  in ufs_set_link()
89 			(char *) de - (char *) page_address(page);  in ufs_set_link()
93 	lock_page(page);  in ufs_set_link()
94 	err = ufs_prepare_chunk(page, pos, len);  in ufs_set_link()
100 	err = ufs_commit_chunk(page, pos, len);  in ufs_set_link()
101 	ufs_put_page(page);  in ufs_set_link()
108 static void ufs_check_page(struct page *page)  in ufs_check_page()  argument
110 	struct inode *dir = page->mapping->host;  in ufs_check_page()
112 	char *kaddr = page_address(page);  in ufs_check_page()
119 	if ((dir->i_size >> PAGE_CACHE_SHIFT) == page->index) {  in ufs_check_page()
145 	SetPageChecked(page);  in ufs_check_page()
173 		   dir->i_ino, error, (page->index<<PAGE_CACHE_SHIFT)+offs,  in ufs_check_page()
181 		   dir->i_ino, (page->index<<PAGE_CACHE_SHIFT)+offs);  in ufs_check_page()
183 	SetPageChecked(page);  in ufs_check_page()
184 	SetPageError(page);  in ufs_check_page()
187 static struct page *ufs_get_page(struct inode *dir, unsigned long n)  in ufs_get_page()
190 	struct page *page = read_mapping_page(mapping, n, NULL);  in ufs_get_page()  local
191 	if (!IS_ERR(page)) {  in ufs_get_page()
192 		kmap(page);  in ufs_get_page()
193 		if (!PageChecked(page))  in ufs_get_page()
194 			ufs_check_page(page);  in ufs_get_page()
195 		if (PageError(page))  in ufs_get_page()
198 	return page;  in ufs_get_page()
201 	ufs_put_page(page);  in ufs_get_page()
227 struct ufs_dir_entry *ufs_dotdot(struct inode *dir, struct page **p)  in ufs_dotdot()
229 	struct page *page = ufs_get_page(dir, 0);  in ufs_dotdot()  local
232 	if (!IS_ERR(page)) {  in ufs_dotdot()
234 				    (struct ufs_dir_entry *)page_address(page));  in ufs_dotdot()
235 		*p = page;  in ufs_dotdot()
249 				     struct page **res_page)  in ufs_find_entry()
257 	struct page *page = NULL;  in ufs_find_entry()  local
276 		page = ufs_get_page(dir, n);  in ufs_find_entry()
277 		if (!IS_ERR(page)) {  in ufs_find_entry()
278 			kaddr = page_address(page);  in ufs_find_entry()
285 					ufs_put_page(page);  in ufs_find_entry()
292 			ufs_put_page(page);  in ufs_find_entry()
301 	*res_page = page;  in ufs_find_entry()
318 	struct page *page = NULL;  in ufs_add_link()  local
336 		page = ufs_get_page(dir, n);  in ufs_add_link()
337 		err = PTR_ERR(page);  in ufs_add_link()
338 		if (IS_ERR(page))  in ufs_add_link()
340 		lock_page(page);  in ufs_add_link()
341 		kaddr = page_address(page);  in ufs_add_link()
371 		unlock_page(page);  in ufs_add_link()
372 		ufs_put_page(page);  in ufs_add_link()
378 	pos = page_offset(page) +  in ufs_add_link()
379 			(char*)de - (char*)page_address(page);  in ufs_add_link()
380 	err = ufs_prepare_chunk(page, pos, rec_len);  in ufs_add_link()
397 	err = ufs_commit_chunk(page, pos, rec_len);  in ufs_add_link()
403 	ufs_put_page(page);  in ufs_add_link()
407 	unlock_page(page);  in ufs_add_link()
451 		struct page *page = ufs_get_page(inode, n);  in ufs_readdir()  local
453 		if (IS_ERR(page)) {  in ufs_readdir()
460 		kaddr = page_address(page);  in ufs_readdir()
475 				ufs_put_page(page);  in ufs_readdir()
492 					ufs_put_page(page);  in ufs_readdir()
498 		ufs_put_page(page);  in ufs_readdir()
509 		     struct page * page)  in ufs_delete_entry()  argument
512 	char *kaddr = page_address(page);  in ufs_delete_entry()
538 		from = (char*)pde - (char*)page_address(page);  in ufs_delete_entry()
540 	pos = page_offset(page) + from;  in ufs_delete_entry()
541 	lock_page(page);  in ufs_delete_entry()
542 	err = ufs_prepare_chunk(page, pos, to - from);  in ufs_delete_entry()
547 	err = ufs_commit_chunk(page, pos, to - from);  in ufs_delete_entry()
551 	ufs_put_page(page);  in ufs_delete_entry()
560 	struct page *page = grab_cache_page(mapping, 0);  in ufs_make_empty()  local
566 	if (!page)  in ufs_make_empty()
569 	err = ufs_prepare_chunk(page, 0, chunk_size);  in ufs_make_empty()
571 		unlock_page(page);  in ufs_make_empty()
575 	kmap(page);  in ufs_make_empty()
576 	base = (char*)page_address(page);  in ufs_make_empty()
593 	kunmap(page);  in ufs_make_empty()
595 	err = ufs_commit_chunk(page, 0, chunk_size);  in ufs_make_empty()
597 	page_cache_release(page);  in ufs_make_empty()
607 	struct page *page = NULL;  in ufs_empty_dir()  local
613 		page = ufs_get_page(inode, i);  in ufs_empty_dir()
615 		if (IS_ERR(page))  in ufs_empty_dir()
618 		kaddr = page_address(page);  in ufs_empty_dir()
645 		ufs_put_page(page);  in ufs_empty_dir()
650 	ufs_put_page(page);  in ufs_empty_dir()