summaryrefslogtreecommitdiff
path: root/storage/innodb_plugin/trx/trx0sys.c
diff options
context:
space:
mode:
Diffstat (limited to 'storage/innodb_plugin/trx/trx0sys.c')
-rw-r--r--storage/innodb_plugin/trx/trx0sys.c29
1 files changed, 13 insertions, 16 deletions
diff --git a/storage/innodb_plugin/trx/trx0sys.c b/storage/innodb_plugin/trx/trx0sys.c
index 352fa6af219..daa65bfcef0 100644
--- a/storage/innodb_plugin/trx/trx0sys.c
+++ b/storage/innodb_plugin/trx/trx0sys.c
@@ -1,6 +1,6 @@
/*****************************************************************************
-Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved.
+Copyright (c) 1996, 2012, Oracle and/or its affiliates. All Rights Reserved.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
@@ -11,8 +11,8 @@ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
-this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-Place, Suite 330, Boston, MA 02111-1307 USA
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
*****************************************************************************/
@@ -127,6 +127,11 @@ static const char* file_format_name_map[] = {
static const ulint FILE_FORMAT_NAME_N
= sizeof(file_format_name_map) / sizeof(file_format_name_map[0]);
+#ifdef UNIV_DEBUG
+/* Flag to control TRX_RSEG_N_SLOTS behavior debugging. */
+uint trx_rseg_n_slots_debug = 0;
+#endif
+
#ifndef UNIV_HOTBACKUP
/** This is used to track the maximum file format id known to InnoDB. It's
updated via SET GLOBAL innodb_file_format_check = 'x' or when we open
@@ -242,9 +247,7 @@ trx_sys_create_doublewrite_buf(void)
{
buf_block_t* block;
buf_block_t* block2;
-#ifdef UNIV_SYNC_DEBUG
buf_block_t* new_block;
-#endif /* UNIV_SYNC_DEBUG */
byte* doublewrite;
byte* fseg_header;
ulint page_no;
@@ -323,10 +326,9 @@ start_again:
for (i = 0; i < 2 * TRX_SYS_DOUBLEWRITE_BLOCK_SIZE
+ FSP_EXTENT_SIZE / 2; i++) {
- page_no = fseg_alloc_free_page(fseg_header,
- prev_page_no + 1,
- FSP_UP, &mtr);
- if (page_no == FIL_NULL) {
+ new_block = fseg_alloc_free_page(
+ fseg_header, prev_page_no + 1, FSP_UP, &mtr);
+ if (new_block == NULL) {
fprintf(stderr,
"InnoDB: Cannot create doublewrite"
" buffer: you must\n"
@@ -347,13 +349,8 @@ start_again:
the page position in the tablespace, then the page
has not been written to in doublewrite. */
-#ifdef UNIV_SYNC_DEBUG
- new_block =
-#endif /* UNIV_SYNC_DEBUG */
- buf_page_get(TRX_SYS_SPACE, 0, page_no,
- RW_X_LATCH, &mtr);
- buf_block_dbg_add_level(new_block,
- SYNC_NO_ORDER_CHECK);
+ ut_ad(rw_lock_get_x_lock_count(&new_block->lock) == 1);
+ page_no = buf_block_get_page_no(new_block);
if (i == FSP_EXTENT_SIZE / 2) {
ut_a(page_no == FSP_EXTENT_SIZE);