87  * struct ttm_pool_tt_restore - State representing restore from backup
100  * Recovery from backup might fail when we've recovered less than the
102  * around that allows us to restart a failed ttm backup recovery.
427  * DOC: Partial backup and restoration of a struct ttm_tt.
434  * Backup failure is easily handled by using a ttm_tt pages vector that holds
435  * both backup handles and page pointers. This has to be taken into account when
436  * restoring such a ttm_tt from backup, and when freeing it while backed up.
509 				   struct file *backup,  in ttm_pool_restore_commit()  argument
535 			ret = ttm_backup_copy_page(backup, restore->alloced_page + i,  in ttm_pool_restore_commit()
540 			ttm_backup_drop(backup, handle);  in ttm_pool_restore_commit()
658 	struct file *backup = tt->backup;  in ttm_pool_free_range()  local
669 				ttm_backup_drop(backup, handle);  in ttm_pool_free_range()
766 			r = ttm_pool_restore_commit(restore, tt->backup, ctx, alloc);  in __ttm_pool_alloc()
863 			ret = ttm_pool_restore_commit(restore, tt->backup, ctx, &alloc);  in ttm_pool_restore_and_alloc()
909 	 * any tt page-array backup entries already read back has  in ttm_pool_drop_backed_up()
946  * @flags: Flags to govern the backup behaviour.
955  * If backup of a page fails for whatever reason, @ttm will still be
956  * partially backed up, retaining those pages for which backup fails.
966 	struct file *backup = tt->backup;  in ttm_pool_backup()  local
1038 		shandle = ttm_backup_backup_page(backup, page, flags->writeback, i,  in ttm_pool_backup()