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Use correctly-sized buffer when zero-filling a WAL file. 

I mixed up BLCKSZ and XLOG_BLCKSZ when I changed the way the buffer is
allocated a couple of weeks ago. With the default settings, they are both
8k, but they can be changed at compile-time.
This commit is contained in:
Heikki Linnakangas 2014-04-16 10:21:09 +03:00
parent 969735cf10
commit 8c0cacae25
1 changed files with 2 additions and 2 deletions
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4
src/backend/access/transam/xlog.c
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@ -2167,7 +2167,7 @@ XLogFileInit(uint32 log, uint32 seg,
{
char path[MAXPGPATH];
char tmppath[MAXPGPATH];
char zbuffer_raw[BLCKSZ + MAXIMUM_ALIGNOF];
char zbuffer_raw[XLOG_BLCKSZ + MAXIMUM_ALIGNOF];
char *zbuffer;
uint32 installed_log;
uint32 installed_seg;
@ -2229,7 +2229,7 @@ XLogFileInit(uint32 log, uint32 seg,
* cycles transferring data to the kernel.
*/
zbuffer = (char *) MAXALIGN(zbuffer_raw);
memset(zbuffer, 0, BLCKSZ);
memset(zbuffer, 0, XLOG_BLCKSZ);
for (nbytes = 0; nbytes < XLogSegSize; nbytes += XLOG_BLCKSZ)
{
errno = 0;