diff options
Diffstat (limited to 'src/backend/access/transam/xlog.c')
| -rw-r--r-- | src/backend/access/transam/xlog.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index 06235073ce5..7aaba6203ae 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -6701,6 +6701,12 @@ CreateCheckPoint(int flags) { do { + /* + * Keep absorbing fsync requests while we wait. There could even + * be a deadlock if we don't, if the process that prevents the + * checkpoint is trying to add a request to the queue. + */ + AbsorbSyncRequests(); pg_usleep(10000L); /* wait for 10 msec */ } while (HaveVirtualXIDsDelayingChkpt(vxids, nvxids, DELAY_CHKPT_START)); @@ -6714,6 +6720,7 @@ CreateCheckPoint(int flags) { do { + AbsorbSyncRequests(); pg_usleep(10000L); /* wait for 10 msec */ } while (HaveVirtualXIDsDelayingChkpt(vxids, nvxids, DELAY_CHKPT_COMPLETE)); |