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, struct page *page)  in afs_fill_page()  argument
101 	ret = afs_vnode_fetch_data(vnode, key, pos, len, page);  in afs_fill_page()
120 		    struct page **pagep, void **fsdata)  in afs_write_begin()
124 	struct page *page;  in afs_write_begin()  local
146 	page = grab_cache_page_write_begin(mapping, index, flags);  in afs_write_begin()
147 	if (!page) {  in afs_write_begin()
151 	*pagep = page;  in afs_write_begin()
154 	if (!PageUptodate(page) && len != PAGE_CACHE_SIZE) {  in afs_write_begin()
155 		ret = afs_fill_page(vnode, key, index << PAGE_CACHE_SHIFT, page);  in afs_write_begin()
161 		SetPageUptodate(page);  in afs_write_begin()
169 	wb = (struct afs_writeback *) page_private(page);  in afs_write_begin()
189 	SetPagePrivate(page);  in afs_write_begin()
190 	set_page_private(page, (unsigned long) candidate);  in afs_write_begin()
212 	SetPagePrivate(page);  in afs_write_begin()
213 	set_page_private(page, (unsigned long) wb);  in afs_write_begin()
225 	if (PageDirty(page)) {  in afs_write_begin()
226 		ret = afs_write_back_from_locked_page(wb, page);  in afs_write_begin()
236 	set_page_private(page, 0);  in afs_write_begin()
237 	ClearPagePrivate(page);  in afs_write_begin()
246 		  struct page *page, void *fsdata)  in afs_write_end()  argument
252 	       vnode->fid.vid, vnode->fid.vnode, page->index);  in afs_write_end()
265 	set_page_dirty(page);  in afs_write_end()
266 	if (PageDirty(page))  in afs_write_end()
268 	unlock_page(page);  in afs_write_end()
269 	page_cache_release(page);  in afs_write_end()
316 					   struct page *primary_page)  in afs_write_back_from_locked_page()
318 	struct page *pages[8], *page;  in afs_write_back_from_locked_page()  local
357 			page = pages[loop];  in afs_write_back_from_locked_page()
358 			if (page->index > wb->last)  in afs_write_back_from_locked_page()
360 			if (!trylock_page(page))  in afs_write_back_from_locked_page()
362 			if (!PageDirty(page) ||  in afs_write_back_from_locked_page()
363 			    page_private(page) != (unsigned long) wb) {  in afs_write_back_from_locked_page()
364 				unlock_page(page);  in afs_write_back_from_locked_page()
367 			if (!clear_page_dirty_for_io(page))  in afs_write_back_from_locked_page()
369 			if (test_set_page_writeback(page))  in afs_write_back_from_locked_page()
371 			unlock_page(page);  in afs_write_back_from_locked_page()
372 			put_page(page);  in afs_write_back_from_locked_page()
437 int afs_writepage(struct page *page, struct writeback_control *wbc)  in afs_writepage()  argument
442 	_enter("{%lx},", page->index);  in afs_writepage()
444 	wb = (struct afs_writeback *) page_private(page);  in afs_writepage()
447 	ret = afs_write_back_from_locked_page(wb, page);  in afs_writepage()
448 	unlock_page(page);  in afs_writepage()
468 	struct page *page;  in afs_writepages_region()  local
475 				       1, &page);  in afs_writepages_region()
479 		_debug("wback %lx", page->index);  in afs_writepages_region()
481 		if (page->index > end) {  in afs_writepages_region()
483 			page_cache_release(page);  in afs_writepages_region()
493 		lock_page(page);  in afs_writepages_region()
495 		if (page->mapping != mapping) {  in afs_writepages_region()
496 			unlock_page(page);  in afs_writepages_region()
497 			page_cache_release(page);  in afs_writepages_region()
502 			wait_on_page_writeback(page);  in afs_writepages_region()
504 		if (PageWriteback(page) || !PageDirty(page)) {  in afs_writepages_region()
505 			unlock_page(page);  in afs_writepages_region()
509 		wb = (struct afs_writeback *) page_private(page);  in afs_writepages_region()
516 		ret = afs_write_back_from_locked_page(wb, page);  in afs_writepages_region()
517 		unlock_page(page);  in afs_writepages_region()
518 		page_cache_release(page);  in afs_writepages_region()
598 			struct page *page = pv.pages[loop];  in afs_pages_written_back()  local
599 			end_page_writeback(page);  in afs_pages_written_back()
600 			if (page_private(page) == (unsigned long) wb) {  in afs_pages_written_back()
601 				set_page_private(page, 0);  in afs_pages_written_back()
602 				ClearPagePrivate(page);  in afs_pages_written_back()
746 int afs_page_mkwrite(struct vm_area_struct *vma, struct page *page)  in afs_page_mkwrite()  argument
751 	       vnode->fid.vid, vnode->fid.vnode, page->index);  in afs_page_mkwrite()
756 	fscache_wait_on_page_write(vnode->cache, page);  in afs_page_mkwrite()