20 					   struct page *page);
25 int afs_set_page_dirty(struct page *page)  in afs_set_page_dirty()  argument
28 	return __set_page_dirty_nobuffers(page);  in afs_set_page_dirty()
87 			 loff_t pos, unsigned len, struct page *page)  in afs_fill_page()  argument
103 	ret = afs_vnode_fetch_data(vnode, key, 0, eof, page);  in afs_fill_page()
122 		    struct page **pagep, void **fsdata)  in afs_write_begin()
126 	struct page *page;  in afs_write_begin()  local
147 	page = grab_cache_page_write_begin(mapping, index, flags);  in afs_write_begin()
148 	if (!page) {  in afs_write_begin()
152 	*pagep = page;  in afs_write_begin()
155 	if (!PageUptodate(page)) {  in afs_write_begin()
157 		ret = afs_fill_page(vnode, key, pos, len, page);  in afs_write_begin()
163 		SetPageUptodate(page);  in afs_write_begin()
171 	wb = (struct afs_writeback *) page_private(page);  in afs_write_begin()
191 	SetPagePrivate(page);  in afs_write_begin()
192 	set_page_private(page, (unsigned long) candidate);  in afs_write_begin()
214 	SetPagePrivate(page);  in afs_write_begin()
215 	set_page_private(page, (unsigned long) wb);  in afs_write_begin()
227 	if (PageDirty(page)) {  in afs_write_begin()
228 		ret = afs_write_back_from_locked_page(wb, page);  in afs_write_begin()
238 	set_page_private(page, 0);  in afs_write_begin()
239 	ClearPagePrivate(page);  in afs_write_begin()
248 		  struct page *page, void *fsdata)  in afs_write_end()  argument
254 	       vnode->fid.vid, vnode->fid.vnode, page->index);  in afs_write_end()
267 	set_page_dirty(page);  in afs_write_end()
268 	if (PageDirty(page))  in afs_write_end()
270 	unlock_page(page);  in afs_write_end()
271 	page_cache_release(page);  in afs_write_end()
318 					   struct page *primary_page)  in afs_write_back_from_locked_page()
320 	struct page *pages[8], *page;  in afs_write_back_from_locked_page()  local
359 			page = pages[loop];  in afs_write_back_from_locked_page()
360 			if (page->index > wb->last)  in afs_write_back_from_locked_page()
362 			if (!trylock_page(page))  in afs_write_back_from_locked_page()
364 			if (!PageDirty(page) ||  in afs_write_back_from_locked_page()
365 			    page_private(page) != (unsigned long) wb) {  in afs_write_back_from_locked_page()
366 				unlock_page(page);  in afs_write_back_from_locked_page()
369 			if (!clear_page_dirty_for_io(page))  in afs_write_back_from_locked_page()
371 			if (test_set_page_writeback(page))  in afs_write_back_from_locked_page()
373 			unlock_page(page);  in afs_write_back_from_locked_page()
374 			put_page(page);  in afs_write_back_from_locked_page()
439 int afs_writepage(struct page *page, struct writeback_control *wbc)  in afs_writepage()  argument
441 	struct backing_dev_info *bdi = page->mapping->backing_dev_info;  in afs_writepage()
445 	_enter("{%lx},", page->index);  in afs_writepage()
447 	wb = (struct afs_writeback *) page_private(page);  in afs_writepage()
450 	ret = afs_write_back_from_locked_page(wb, page);  in afs_writepage()
451 	unlock_page(page);  in afs_writepage()
474 	struct page *page;  in afs_writepages_region()  local
481 				       1, &page);  in afs_writepages_region()
485 		_debug("wback %lx", page->index);  in afs_writepages_region()
487 		if (page->index > end) {  in afs_writepages_region()
489 			page_cache_release(page);  in afs_writepages_region()
499 		lock_page(page);  in afs_writepages_region()
501 		if (page->mapping != mapping) {  in afs_writepages_region()
502 			unlock_page(page);  in afs_writepages_region()
503 			page_cache_release(page);  in afs_writepages_region()
508 			wait_on_page_writeback(page);  in afs_writepages_region()
510 		if (PageWriteback(page) || !PageDirty(page)) {  in afs_writepages_region()
511 			unlock_page(page);  in afs_writepages_region()
515 		wb = (struct afs_writeback *) page_private(page);  in afs_writepages_region()
522 		ret = afs_write_back_from_locked_page(wb, page);  in afs_writepages_region()
523 		unlock_page(page);  in afs_writepages_region()
524 		page_cache_release(page);  in afs_writepages_region()
638 			struct page *page = pv.pages[loop];  in afs_pages_written_back()  local
639 			end_page_writeback(page);  in afs_pages_written_back()
640 			if (page_private(page) == (unsigned long) wb) {  in afs_pages_written_back()
641 				set_page_private(page, 0);  in afs_pages_written_back()
642 				ClearPagePrivate(page);  in afs_pages_written_back()