Add comment about checkpoint panic behavior during shutdown, per
suggestion from Qingqing Zhou.
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@ -7,7 +7,7 @@
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* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.187 2005/04/17 03:04:29 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.188 2005/04/23 18:49:54 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -4925,7 +4925,10 @@ CreateCheckPoint(bool shutdown, bool force)
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*
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* This I/O could fail for various reasons. If so, we will fail to
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* complete the checkpoint, but there is no reason to force a system
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* panic. Accordingly, exit critical section while doing it.
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* panic. Accordingly, exit critical section while doing it. (If
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* we are doing a shutdown checkpoint, we probably *should* panic ---
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* but that will happen anyway because we'll still be inside the
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* critical section established by ShutdownXLOG.)
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*/
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END_CRIT_SECTION();
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