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Diffstat (limited to 'src/backend/storage/buffer/bufmgr.c')
-rw-r--r--src/backend/storage/buffer/bufmgr.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c
index 01c09fd532..7d11b0963f 100644
--- a/src/backend/storage/buffer/bufmgr.c
+++ b/src/backend/storage/buffer/bufmgr.c
@@ -3514,7 +3514,9 @@ MarkBufferDirtyHint(Buffer buffer, bool buffer_std)
* essential that CreateCheckpoint waits for virtual transactions
* rather than full transactionids.
*/
- MyPgXact->delayChkpt = delayChkpt = true;
+ Assert((MyPgXact->delayChkpt & DELAY_CHKPT_START) == 0);
+ MyPgXact->delayChkpt |= DELAY_CHKPT_START;
+ delayChkpt = true;
lsn = XLogSaveBufferForHint(buffer, buffer_std);
}
@@ -3547,7 +3549,7 @@ MarkBufferDirtyHint(Buffer buffer, bool buffer_std)
UnlockBufHdr(bufHdr, buf_state);
if (delayChkpt)
- MyPgXact->delayChkpt = false;
+ MyPgXact->delayChkpt &= ~DELAY_CHKPT_START;
if (dirtied)
{