66 					struct folio **foliop, void **_fsdata);
79 static bool ceph_dirty_folio(struct address_space *mapping, struct folio *folio)  in ceph_dirty_folio()  argument
85 	if (folio_test_dirty(folio)) {  in ceph_dirty_folio()
87 		     mapping->host, folio, folio->index);  in ceph_dirty_folio()
88 		VM_BUG_ON_FOLIO(!folio_test_private(folio), folio);  in ceph_dirty_folio()
115 	     mapping->host, folio, folio->index,  in ceph_dirty_folio()
125 	VM_WARN_ON_FOLIO(folio->private, folio);  in ceph_dirty_folio()
126 	folio_attach_private(folio, snapc);  in ceph_dirty_folio()
128 	return ceph_fscache_dirty_folio(mapping, folio);  in ceph_dirty_folio()
136 static void ceph_invalidate_folio(struct folio *folio, size_t offset,  in ceph_invalidate_folio()  argument
143 	inode = folio->mapping->host;  in ceph_invalidate_folio()
146 	if (offset != 0 || length != folio_size(folio)) {  in ceph_invalidate_folio()
148 		     inode, folio->index, offset, length);  in ceph_invalidate_folio()
152 	WARN_ON(!folio_test_locked(folio));  in ceph_invalidate_folio()
153 	if (folio_test_private(folio)) {  in ceph_invalidate_folio()
155 		     inode, folio->index);  in ceph_invalidate_folio()
157 		snapc = folio_detach_private(folio);  in ceph_invalidate_folio()
162 	folio_wait_fscache(folio);  in ceph_invalidate_folio()
165 static bool ceph_release_folio(struct folio *folio, gfp_t gfp)  in ceph_release_folio()  argument
167 	struct inode *inode = folio->mapping->host;  in ceph_release_folio()
171 	     folio->index, folio_test_dirty(folio) ? "" : "not ");  in ceph_release_folio()
173 	if (folio_test_private(folio))  in ceph_release_folio()
176 	if (folio_test_fscache(folio)) {  in ceph_release_folio()
179 		folio_wait_fscache(folio);  in ceph_release_folio()
605 	struct folio *folio = page_folio(page);  in writepage_nounlock()  local
643 		dout("folio at %lu beyond eof %llu\n", folio->index,  in writepage_nounlock()
645 		folio_invalidate(folio, 0, folio_size(folio));  in writepage_nounlock()
972 				struct folio *folio = page_folio(page);  in ceph_writepages_start()  local
975 				     folio->index, ceph_wbc.i_size);  in ceph_writepages_start()
977 				    folio_pos(folio) >= i_size_read(inode)) &&  in ceph_writepages_start()
978 				    folio_clear_dirty_for_io(folio))  in ceph_writepages_start()
979 					folio_invalidate(folio, 0,  in ceph_writepages_start()
980 							folio_size(folio));  in ceph_writepages_start()
981 				folio_unlock(folio);  in ceph_writepages_start()
1344 					struct folio **foliop, void **_fsdata)  in ceph_netfs_check_write_begin()
1379 	struct folio *folio = NULL;  in ceph_write_begin()  local
1382 	r = netfs_write_begin(&ci->netfs, file, inode->i_mapping, pos, len, &folio, NULL);  in ceph_write_begin()
1386 	folio_wait_fscache(folio);  in ceph_write_begin()
1387 	WARN_ON_ONCE(!folio_test_locked(folio));  in ceph_write_begin()
1388 	*pagep = &folio->page;  in ceph_write_begin()
1400 	struct folio *folio = page_folio(subpage);  in ceph_write_end()  local
1405 	     inode, folio, (int)pos, (int)copied, (int)len);  in ceph_write_end()
1407 	if (!folio_test_uptodate(folio)) {  in ceph_write_end()
1413 		folio_mark_uptodate(folio);  in ceph_write_end()
1420 	folio_mark_dirty(folio);  in ceph_write_end()
1423 	folio_unlock(folio);  in ceph_write_end()
1424 	folio_put(folio);  in ceph_write_end()
1704 	struct folio *folio = NULL;  in ceph_uninline_data()  local
1732 	folio = read_mapping_folio(inode->i_mapping, 0, file);  in ceph_uninline_data()
1733 	if (IS_ERR(folio)) {  in ceph_uninline_data()
1734 		err = PTR_ERR(folio);  in ceph_uninline_data()
1738 	folio_lock(folio);  in ceph_uninline_data()
1741 	if (len > folio_size(folio))  in ceph_uninline_data()
1742 		len = folio_size(folio);  in ceph_uninline_data()
1770 	pages[0] = folio_page(folio, 0);  in ceph_uninline_data()
1821 	if (folio) {  in ceph_uninline_data()
1822 		folio_unlock(folio);  in ceph_uninline_data()
1823 		folio_put(folio);  in ceph_uninline_data()