Work a little harder on comments for walsender wakeup patch.

Per gripe from Tom Lane.

diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 6ee50d01d52a1abf892790841c07d646929ebb32..89e6faee569896a5ee06b8be3a05fad60bc71418 100644 (file)
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -1027,7 +1027,7 @@ begin:;
 
        END_CRIT_SECTION();
 
-       /* wakeup the WalSnd now that we released the WALWriteLock */
+       /* wake up walsenders now that we've released heavily contended locks */
        WalSndWakeupProcessRequests();
        return RecPtr;
    }
@@ -1212,7 +1212,7 @@ begin:;
 
    END_CRIT_SECTION();
 
-   /* wakeup the WalSnd now that we outside contented locks */
+   /* wake up walsenders now that we've released heavily contended locks */
    WalSndWakeupProcessRequests();
 
    return RecPtr;
@@ -1800,7 +1800,7 @@ XLogWrite(XLogwrtRqst WriteRqst, bool flexible, bool xlog_switch)
            {
                issue_xlog_fsync(openLogFile, openLogSegNo);
 
-               /* signal that we need to wakeup WalSnd later */
+               /* signal that we need to wakeup walsenders later */
                WalSndWakeupRequest();
 
                LogwrtResult.Flush = LogwrtResult.Write;        /* end of page */
@@ -1868,7 +1868,7 @@ XLogWrite(XLogwrtRqst WriteRqst, bool flexible, bool xlog_switch)
 
            issue_xlog_fsync(openLogFile, openLogSegNo);
 
-           /* signal that we need to wakeup WalSnd later */
+           /* signal that we need to wakeup walsenders later */
            WalSndWakeupRequest();
        }
        LogwrtResult.Flush = LogwrtResult.Write;
@@ -2150,7 +2150,7 @@ XLogFlush(XLogRecPtr record)
 
    END_CRIT_SECTION();
 
-   /* wakeup the WalSnd now that we released the WALWriteLock */
+   /* wake up walsenders now that we've released heavily contended locks */
    WalSndWakeupProcessRequests();
 
    /*
@@ -2278,7 +2278,7 @@ XLogBackgroundFlush(void)
 
    END_CRIT_SECTION();
 
-   /* wakeup the WalSnd now that we released the WALWriteLock */
+   /* wake up walsenders now that we've released heavily contended locks */
    WalSndWakeupProcessRequests();
 
    return wrote_something;