MDEV-6288 :Innodb causes server crash after disk full, then can't ALTER TABLE any more

Fix try to avoid unnecessary crashes when disk full situation is reached
on alter table.

mysql-test/suite/innodb/r/innodb-alter-table-disk-full.result

-create table t1(a int not null primary key, b int) engine=innodb;
+call mtr.add_suppression("InnoDB: Error: row_merge_drop_indexes_dict failed with error code*");
+create table t1(a int, b int) engine=innodb;
 create procedure innodb_insert_proc (repeat_count int)
 begin
 declare current_num int;
@@ -10,41 +11,49 @@ end while;
 end//
 commit;
 set autocommit=0;
-call innodb_insert_proc(10000);
+call innodb_insert_proc(20000);
 commit;
 set autocommit=1;
+create table t2(a int) engine=innodb;
+show create table t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=latin1
 set DEBUG_DBUG='+d,ib_os_aio_func_io_failure_28';
 alter table t1 add testcol int;
 ERROR HY000: The table 't1' is full
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
-  `a` int(11) NOT NULL,
-  `b` int(11) DEFAULT NULL,
-  PRIMARY KEY (`a`)
+  `a` int(11) DEFAULT NULL,
+  `b` int(11) DEFAULT NULL
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1
-set DEBUG_DBUG='+d,ib_os_aio_func_io_failure_28_2';
+alter table t2 add testcol int;
+ERROR HY000: The table 't2' is full
+alter table t1 add testcol int;
+ERROR HY000: The table 't1' is full
 alter table t1 add testcol int;
 ERROR HY000: The table 't1' is full
-show create table t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `a` int(11) NOT NULL,
-  `b` int(11) DEFAULT NULL,
-  PRIMARY KEY (`a`)
-) ENGINE=InnoDB DEFAULT CHARSET=latin1
-set DEBUG_DBUG=NULL;
 alter table t1 add testcol2 int;
+ERROR HY000: The table 't1' is full
+alter table t1 add testcol3 int;
+ERROR HY000: The table 't1' is full
+alter table t1 add testcol int;
+ERROR HY000: The table 't1' is full
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
-  `a` int(11) NOT NULL,
-  `b` int(11) DEFAULT NULL,
-  `testcol2` int(11) DEFAULT NULL,
-  PRIMARY KEY (`a`)
+  `a` int(11) DEFAULT NULL,
+  `b` int(11) DEFAULT NULL
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1
-select count(1) from t1;
-count(1)
-10000
+drop table t2;
+alter table t1 add testcol2 int;
+ERROR HY000: The table 't1' is full
+alter table t1 add testcol3 int;
+ERROR HY000: The table 't1' is full
+call innodb_insert_proc(20000);
+set DEBUG_DBUG='';
 drop procedure innodb_insert_proc;
 drop table t1;
+drop table if exists t2;

mysql-test/suite/innodb/t/innodb-alter-table-disk-full.test

@@ -7,7 +7,9 @@
 # DEBUG_SYNC must be compiled in.
 --source include/have_debug_sync.inc
 
-create table t1(a int not null primary key, b int) engine=innodb;
+call mtr.add_suppression("InnoDB: Error: row_merge_drop_indexes_dict failed with error code*");
+
+create table t1(a int, b int) engine=innodb;
 
 delimiter //;
 create procedure innodb_insert_proc (repeat_count int)
@@ -23,28 +25,46 @@ delimiter ;//
 commit;
 
 set autocommit=0;
-call innodb_insert_proc(10000);
+call innodb_insert_proc(20000);
 commit;
 set autocommit=1;
 
+create table t2(a int) engine=innodb;
+show create table t2;
+
 # This caused crash earlier
 set DEBUG_DBUG='+d,ib_os_aio_func_io_failure_28';
 --error 1114
 alter table t1 add testcol int;
 show create table t1;
-
-# This caused crash earlier
-set DEBUG_DBUG='+d,ib_os_aio_func_io_failure_28_2';
+--error 1114
+alter table t2 add testcol int;
 --error 1114
 alter table t1 add testcol int;
-show create table t1;
-
-set DEBUG_DBUG=NULL;
+--error 1114
+alter table t1 add testcol int;
+--error 1114
 alter table t1 add testcol2 int;
+--error 1114
+alter table t1 add testcol3 int;
+--error 1114
+alter table t1 add testcol int;
 show create table t1;
+--error 0,1051
+drop table t2;
+--error 1114
+alter table t1 add testcol2 int;
+--error 1114
+alter table t1 add testcol3 int;
+--error 0,1114
+call innodb_insert_proc(20000);
 
-select count(1) from t1;
+set DEBUG_DBUG='';
 
 drop procedure innodb_insert_proc;
 drop table t1;
+--disable_warnings
+drop table if exists t2;
+--enable_warnings
+
 

storage/innobase/btr/btr0btr.cc

@@ -3055,6 +3055,12 @@ btr_page_split_and_insert(
 	/* 2. Allocate a new page to the index */
 	new_block = btr_page_alloc(cursor->index, hint_page_no, direction,
 				   btr_page_get_level(page, mtr), mtr, mtr);
+
+	/* Play safe, if new page is not allocated */
+	if (!new_block) {
+		return(rec);
+	}
+
 	new_page = buf_block_get_frame(new_block);
 	new_page_zip = buf_block_get_page_zip(new_block);
 	btr_page_create(new_block, new_page_zip, cursor->index,

storage/innobase/fil/fil0fil.cc

@@ -4957,6 +4957,9 @@ fil_extend_space_to_desired_size(
 			success = TRUE;
 		}
 
+		DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
+			success = FALSE; errno = 28; os_has_said_disk_full = TRUE;);
+
 		mutex_enter(&fil_system->mutex);
 		if (success) {
 			node->size += n_pages;
@@ -4998,6 +5001,11 @@ fil_extend_space_to_desired_size(
 				 offset, page_size * n_pages,
 				 NULL, NULL);
 #endif /* UNIV_HOTBACKUP */
+
+
+		DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
+			success = FALSE; errno = 28; os_has_said_disk_full = TRUE;);
+
 		if (success) {
 			os_has_said_disk_full = FALSE;
 		} else {

storage/innobase/os/os0file.cc

@@ -4585,7 +4585,7 @@ os_aio_func(
 	mode = mode & (~OS_AIO_SIMULATED_WAKE_LATER);
 
 	DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
-			mode = OS_AIO_SYNC;);
+			mode = OS_AIO_SYNC; os_has_said_disk_full = TRUE;);
 
 	if (mode == OS_AIO_SYNC
 #ifdef WIN_ASYNC_IO
@@ -4615,14 +4615,10 @@ os_aio_func(
 			ut_a(type == OS_FILE_WRITE);
 
 			ret = os_file_write_func(name, file, buf, offset, n);
-		}
 
-		DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
-			os_has_said_disk_full = FALSE;);
-		DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
-			ret = 0;);
-		DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
-			errno = 28;);
+			DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
+				os_has_said_disk_full = TRUE; ret = 0; errno = 28;);
+		}
 
 		return ret;
 	}
@@ -5443,17 +5439,15 @@ os_aio_simulated_handle(
 		ret = os_file_write(
 			aio_slot->name, aio_slot->file, combined_buf,
 			aio_slot->offset, total_len);
-	} else {
-		ret = os_file_read(
-			aio_slot->file, combined_buf,
-			aio_slot->offset, total_len);
-	}
 
-	if (aio_slot->type == OS_FILE_WRITE) {
 		DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
-			os_has_said_disk_full = FALSE;
+			os_has_said_disk_full = TRUE;
 			ret = 0;
 			errno = 28;);
+	} else {
+		ret = os_file_read(
+			aio_slot->file, combined_buf,
+			aio_slot->offset, total_len);
 	}
 
 	srv_set_io_thread_op_info(global_segment, "file i/o done");

storage/innobase/row/row0merge.cc

@@ -2395,6 +2395,24 @@ row_merge_insert_index_tuples(
 #endif /* UNIV_DEBUG */
 			ulint*	ins_offsets = NULL;
 
+			/* First reserve enough free space for the file segments
+			of the index tree, so that the insert will not fail because
+			of lack of space */
+
+			{
+				ulint	n_extents = cursor.tree_height / 16 + 3;
+				ibool	success;
+				ulint	n_reserved = 0;
+
+				success = fsp_reserve_free_extents(&n_reserved, index->space,
+						   n_extents, FSP_NORMAL, &mtr);
+
+				if (!success) {
+					error = DB_OUT_OF_FILE_SPACE;
+					goto err_exit;
+				}
+			}
+
 			error = btr_cur_optimistic_insert(
 				BTR_NO_UNDO_LOG_FLAG | BTR_NO_LOCKING_FLAG
 				| BTR_KEEP_SYS_FLAG | BTR_CREATE_FLAG,

storage/innobase/row/row0mysql.cc

@@ -4373,7 +4373,7 @@ row_drop_table_for_mysql(
 
 	case DB_OUT_OF_FILE_SPACE:
 		err = DB_MUST_GET_MORE_FILE_SPACE;
-
+		trx->error_state = err;
 		row_mysql_handle_errors(&err, trx, NULL, NULL);
 
 		/* raise error */

storage/xtradb/btr/btr0btr.cc

@@ -3097,6 +3097,12 @@ btr_page_split_and_insert(
 	/* 2. Allocate a new page to the index */
 	new_block = btr_page_alloc(cursor->index, hint_page_no, direction,
 				   btr_page_get_level(page, mtr), mtr, mtr);
+
+	/* Play safe, if new page is not allocated */
+	if (!new_block) {
+		return(rec);
+	}
+
 	new_page = buf_block_get_frame(new_block);
 	new_page_zip = buf_block_get_page_zip(new_block);
 	btr_page_create(new_block, new_page_zip, cursor->index,

storage/xtradb/fil/fil0fil.cc

@@ -4982,7 +4982,11 @@ fil_extend_space_to_desired_size(
 			success = TRUE;
 		}
 
+		DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
+			success = FALSE; errno = 28;os_has_said_disk_full = TRUE;);
+
 		mutex_enter(&fil_system->mutex);
+
 		if (success) {
 			node->size += n_pages;
 			space->size += n_pages;
@@ -5023,6 +5027,10 @@ fil_extend_space_to_desired_size(
 				 offset, page_size * n_pages,
 				 NULL, NULL, space_id, NULL);
 #endif /* UNIV_HOTBACKUP */
+
+		DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
+			success = FALSE; errno = 28; os_has_said_disk_full = TRUE;);
+
 		if (success) {
 			os_has_said_disk_full = FALSE;
 		} else {

storage/xtradb/os/os0file.cc

@@ -4735,7 +4735,7 @@ os_aio_func(
 	mode = mode & (~OS_AIO_SIMULATED_WAKE_LATER);
 
 	DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
-			mode = OS_AIO_SYNC;);
+		mode = OS_AIO_SYNC; os_has_said_disk_full = TRUE;);
 
 	if (mode == OS_AIO_SYNC) {
 		ibool ret;
@@ -4744,20 +4744,15 @@ os_aio_func(
 
 		if (type == OS_FILE_READ) {
 			ret = os_file_read_func(file, buf, offset, n, trx);
-		}
-		else {
+		} else {
 			ut_ad(!srv_read_only_mode);
 			ut_a(type == OS_FILE_WRITE);
 
 			ret = os_file_write(name, file, buf, offset, n);
-		}
 
-		DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
-			os_has_said_disk_full = FALSE;);
-		DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
-			ret = 0;);
-		DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
-			errno = 28;);
+			DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
+				os_has_said_disk_full = TRUE; ret = 0; errno = 28;);
+		}
 
 		if (!ret) {
 			fprintf(stderr, "FAIL");
@@ -5585,17 +5580,15 @@ os_aio_simulated_handle(
 		ret = os_file_write(
 			aio_slot->name, aio_slot->file, combined_buf,
 			aio_slot->offset, total_len);
+
+		DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28",
+			os_has_said_disk_full = TRUE; ret = 0; errno = 28;);
 	} else {
 		ret = os_file_read(
 			aio_slot->file, combined_buf,
 			aio_slot->offset, total_len);
 	}
 
-	if (aio_slot->type == OS_FILE_WRITE) {
-		DBUG_EXECUTE_IF("ib_os_aio_func_io_failure_28_2",
-			os_has_said_disk_full = FALSE; ret = 0; errno = 28;);
-	}
-
 	srv_set_io_thread_op_info(global_segment, "file i/o done");
 
 	if (aio_slot->type == OS_FILE_READ && n_consecutive > 1) {

storage/xtradb/row/row0merge.cc

@@ -2401,6 +2401,24 @@ row_merge_insert_index_tuples(
 #endif /* UNIV_DEBUG */
 			ulint*	ins_offsets = NULL;
 
+			/* First reserve enough free space for the file segments
+			of the index tree, so that the insert will not fail because
+			of lack of space */
+
+			{
+				ulint	n_extents = cursor.tree_height / 16 + 3;
+				ibool	success;
+				ulint	n_reserved = 0;
+
+				success = fsp_reserve_free_extents(&n_reserved, index->space,
+						   n_extents, FSP_NORMAL, &mtr);
+
+				if (!success) {
+					error = DB_OUT_OF_FILE_SPACE;
+					goto err_exit;
+				}
+			}
+
 			error = btr_cur_optimistic_insert(
 				BTR_NO_UNDO_LOG_FLAG | BTR_NO_LOCKING_FLAG
 				| BTR_KEEP_SYS_FLAG | BTR_CREATE_FLAG,

storage/xtradb/row/row0mysql.cc

@@ -4387,6 +4387,7 @@ row_drop_table_for_mysql(
 	case DB_OUT_OF_FILE_SPACE:
 		err = DB_MUST_GET_MORE_FILE_SPACE;
 
+		trx->error_state = err;
 		row_mysql_handle_errors(&err, trx, NULL, NULL);
 
 		/* raise error */