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-rw-r--r--innobase/buf/buf0flu.c4
-rw-r--r--innobase/srv/srv0start.c2
-rw-r--r--innobase/trx/trx0sys.c19
3 files changed, 3 insertions, 22 deletions
diff --git a/innobase/buf/buf0flu.c b/innobase/buf/buf0flu.c
index ffb16790b2d..e39d1ae0a71 100644
--- a/innobase/buf/buf0flu.c
+++ b/innobase/buf/buf0flu.c
@@ -230,7 +230,7 @@ buf_flush_buffered_writes(void)
ulint len2;
ulint i;
- if (trx_doublewrite == NULL) {
+ if (!srv_use_doublewrite_buf || trx_doublewrite == NULL) {
os_aio_simulated_wake_handler_threads();
return;
@@ -503,7 +503,7 @@ buf_flush_write_block_low(
#endif
buf_flush_init_for_writing(block->frame, block->newest_modification,
block->space, block->offset);
- if (!trx_doublewrite) {
+ if (!srv_use_doublewrite_buf || !trx_doublewrite) {
fil_io(OS_FILE_WRITE | OS_AIO_SIMULATED_WAKE_LATER,
FALSE, block->space, block->offset, 0, UNIV_PAGE_SIZE,
(void*)block->frame, (void*)block);
diff --git a/innobase/srv/srv0start.c b/innobase/srv/srv0start.c
index 325b0a109cf..e5151ebf631 100644
--- a/innobase/srv/srv0start.c
+++ b/innobase/srv/srv0start.c
@@ -1540,7 +1540,7 @@ NetWare. */
#endif
sync_order_checks_on = TRUE;
- if (srv_use_doublewrite_buf && trx_doublewrite == NULL) {
+ if (trx_doublewrite == NULL) {
/* Create the doublewrite buffer to a new tablespace */
trx_sys_create_doublewrite_buf();
diff --git a/innobase/trx/trx0sys.c b/innobase/trx/trx0sys.c
index bf48c30e942..23f1dc40d00 100644
--- a/innobase/trx/trx0sys.c
+++ b/innobase/trx/trx0sys.c
@@ -126,22 +126,6 @@ trx_doublewrite_init(
}
/********************************************************************
-Frees the doublewrite buffer. */
-static
-void
-trx_doublewrite_free(void)
-/*======================*/
-{
- mutex_free(&(trx_doublewrite->mutex));
-
- mem_free(trx_doublewrite->buf_block_arr);
- ut_free(trx_doublewrite->write_buf_unaligned);
-
- mem_free(trx_doublewrite);
- trx_doublewrite = NULL;
-}
-
-/********************************************************************
Marks the trx sys header when we have successfully upgraded to the >= 4.1.x
multiple tablespace format. */
@@ -529,9 +513,6 @@ trx_sys_doublewrite_init_or_restore_pages(
fil_flush_file_spaces(FIL_TABLESPACE);
- if (!srv_use_doublewrite_buf)
- trx_doublewrite_free();
-
leave_func:
ut_free(unaligned_read_buf);
}