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O_DIRECT is working now.

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This commit is contained in:
Sears Russell 2004-07-27 22:04:59 +00:00
parent 3cbe112926
commit c649ba7504
3 changed files with 8 additions and 5 deletions
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6
lladd/constants.h
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@ -78,9 +78,9 @@ terms specified in this license.
/*#define MAX_BUFFER_SIZE 100003 */ /*#define MAX_BUFFER_SIZE 100003 */
/*#define MAX_BUFFER_SIZE 10007*/ /*#define MAX_BUFFER_SIZE 10007*/
/*#define MAX_BUFFER_SIZE 5003*/ /*#define MAX_BUFFER_SIZE 5003*/
/*#define MAX_BUFFER_SIZE 71 */ #define MAX_BUFFER_SIZE 71
#define MAX_BUFFER_SIZE 7 /*#define MAX_BUFFER_SIZE 7 */
#define BUFFER_ASOOCIATIVE 2 /*#define BUFFER_ASOOCIATIVE 2 */
#define MAX_TRANSACTIONS 1000 #define MAX_TRANSACTIONS 1000

5
src/lladd/page.c
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@ -86,6 +86,9 @@ terms specified in this license.
$Id$ $Id$
************************************************************************/ ************************************************************************/
/* _XOPEN_SOURCE is needed for posix_memalign */
#define _XOPEN_SOURCE 600
#include <stdlib.h>
#include <config.h> #include <config.h>
#include <lladd/common.h> #include <lladd/common.h>
@ -425,7 +428,7 @@ void pageInit() {
for(int i = 0; i < MAX_BUFFER_SIZE+1; i++) { for(int i = 0; i < MAX_BUFFER_SIZE+1; i++) {
pool[i].rwlatch = initlock(); pool[i].rwlatch = initlock();
pool[i].loadlatch = initlock(); pool[i].loadlatch = initlock();
pool[i].memAddr = malloc(PAGE_SIZE); assert(!posix_memalign((void*)(&(pool[i].memAddr)), PAGE_SIZE, PAGE_SIZE));
} }
pthread_mutex_init(&lastFreepage_mutex , NULL); pthread_mutex_init(&lastFreepage_mutex , NULL);

2
src/lladd/pageFile.c
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@ -3,7 +3,6 @@
This file handles all of the file I/O for pages. This file handles all of the file I/O for pages.
*/ */
#include "page.h" #include "page.h"
#include <lladd/bufferManager.h> #include <lladd/bufferManager.h>
@ -103,6 +102,7 @@ void pageWrite(Page * ret) {
} }
pthread_mutex_lock(&stable_mutex); pthread_mutex_lock(&stable_mutex);
offset = myLseekNoLock(stable, pageoffset, SEEK_SET); offset = myLseekNoLock(stable, pageoffset, SEEK_SET);
assert(offset == pageoffset); assert(offset == pageoffset);
assert(ret->memAddr); assert(ret->memAddr);