mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix XLogReadBufferForRedoExtended to get cleanup lock when asked to do so.

Browse Source
This commit is contained in:
Heikki Linnakangas 2014-11-13 17:54:20 +02:00
parent c291503b1c
commit 34402ae351
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/backend/access/transam/xlogutils.c
View File

@ -312,7 +312,10 @@ XLogReadBufferForRedoExtended(XLogRecPtr lsn, XLogRecord *record,
*buf = XLogReadBufferExtended(rnode, forkno, blkno, mode); *buf = XLogReadBufferExtended(rnode, forkno, blkno, mode);
if (BufferIsValid(*buf)) if (BufferIsValid(*buf))
{ {
LockBuffer(*buf, BUFFER_LOCK_EXCLUSIVE); if (get_cleanup_lock)
LockBufferForCleanup(*buf);
else
LockBuffer(*buf, BUFFER_LOCK_EXCLUSIVE);
if (lsn <= PageGetLSN(BufferGetPage(*buf))) if (lsn <= PageGetLSN(BufferGetPage(*buf)))
return BLK_DONE; return BLK_DONE;
else else