77 int afs_write_begin(struct file *file, struct address_space *mapping,  in afs_write_begin()  argument
93 	page = grab_cache_page_write_begin(mapping, index, flags);  in afs_write_begin()
162 int afs_write_end(struct file *file, struct address_space *mapping,  in afs_write_end()  argument
238 static void afs_kill_pages(struct address_space *mapping,  in afs_kill_pages()  argument
241 	struct afs_vnode *vnode = AFS_FS_I(mapping->host);  in afs_kill_pages()
256 		pv.nr = find_get_pages_contig(mapping, first, count, pv.pages);  in afs_kill_pages()
267 			generic_error_remove_page(mapping, page);  in afs_kill_pages()
281 			      struct address_space *mapping,  in afs_redirty_pages()  argument
284 	struct afs_vnode *vnode = AFS_FS_I(mapping->host);  in afs_redirty_pages()
299 		pv.nr = find_get_pages_contig(mapping, first, count, pv.pages);  in afs_redirty_pages()
422 static int afs_store_data(struct address_space *mapping,  in afs_store_data()  argument
426 	struct afs_vnode *vnode = AFS_FS_I(mapping->host);  in afs_store_data()
452 	op->store.mapping = mapping;  in afs_store_data()
493 static int afs_write_back_from_locked_page(struct address_space *mapping,  in afs_write_back_from_locked_page()  argument
498 	struct afs_vnode *vnode = AFS_FS_I(mapping->host);  in afs_write_back_from_locked_page()
539 		n = find_get_pages_contig(mapping, start, ARRAY_SIZE(pages), pages);  in afs_write_back_from_locked_page()
611 	ret = afs_store_data(mapping, first, last, offset, to, false);  in afs_write_back_from_locked_page()
626 		afs_redirty_pages(wbc, mapping, first, last);  in afs_write_back_from_locked_page()
627 		mapping_set_error(mapping, ret);  in afs_write_back_from_locked_page()
632 		afs_redirty_pages(wbc, mapping, first, last);  in afs_write_back_from_locked_page()
633 		mapping_set_error(mapping, -ENOSPC);  in afs_write_back_from_locked_page()
644 		afs_kill_pages(mapping, first, last);  in afs_write_back_from_locked_page()
645 		mapping_set_error(mapping, ret);  in afs_write_back_from_locked_page()
663 	ret = afs_write_back_from_locked_page(page->mapping, wbc, page,  in afs_writepage()
679 static int afs_writepages_region(struct address_space *mapping,  in afs_writepages_region()  argument
689 		n = find_get_pages_range_tag(mapping, &index, end,  in afs_writepages_region()
699 		 * (changing page->mapping to NULL), or even swizzled  in afs_writepages_region()
700 		 * back from swapper_space to tmpfs file mapping  in afs_writepages_region()
709 		if (page->mapping != mapping || !PageDirty(page)) {  in afs_writepages_region()
725 		ret = afs_write_back_from_locked_page(mapping, wbc, page, end);  in afs_writepages_region()
745 int afs_writepages(struct address_space *mapping,  in afs_writepages()  argument
748 	struct afs_vnode *vnode = AFS_FS_I(mapping->host);  in afs_writepages()
764 		start = mapping->writeback_index;  in afs_writepages()
766 		ret = afs_writepages_region(mapping, wbc, start, end, &next);  in afs_writepages()
768 			ret = afs_writepages_region(mapping, wbc, 0, start,  in afs_writepages()
770 		mapping->writeback_index = next;  in afs_writepages()
773 		ret = afs_writepages_region(mapping, wbc, 0, end, &next);  in afs_writepages()
775 			mapping->writeback_index = next;  in afs_writepages()
779 		ret = afs_writepages_region(mapping, wbc, start, end, &next);  in afs_writepages()
914 	struct address_space *mapping = page->mapping;  in afs_launder_page()  local
915 	struct afs_vnode *vnode = AFS_FS_I(mapping->host);  in afs_launder_page()
933 		ret = afs_store_data(mapping, page->index, page->index, t, f, true);  in afs_launder_page()