Re: [HACKERS] Why SyncRepWakeQueue is not static?

2015-04-02 Thread Robert Haas
On Wed, Mar 25, 2015 at 10:07 PM, Tatsuo Ishii is...@postgresql.org wrote:
 Fix committed/pushed from master to 9.2. 9.1 declares it as a static
 function.

 Er, is that a good idea to back-patch that? Normally routine specs are
 maintained stable on back-branches, and this is just a cosmetic
 change.

 I'm not sure if it's a cosmetic change or not. I thought declaring
 to-be-static function as extern is against our coding
 standard. Moreover, if someone wants to change near the place in the
 source code in the future, changes made to head may not be easily back
 patched or cherry-picked to older branches if I do not back patch it.

True.  But if any third-party code calls that function, you just broke
it.  I don't think keeping the back-branches consistent with master is
a sufficiently good reason for such a change.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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Re: [HACKERS] Why SyncRepWakeQueue is not static?

2015-03-25 Thread Tatsuo Ishii
 SyncRepWakeQueue (src/backend/replication/syncrep.c) is not used
 anywhere except in the file. If there's no good reason for it, I think
 it should be declared as a static function.  Included patch does so.

Fix committed/pushed from master to 9.2. 9.1 declares it as a static
function.

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp


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Re: [HACKERS] Why SyncRepWakeQueue is not static?

2015-03-25 Thread Michael Paquier
On Thu, Mar 26, 2015 at 10:46 AM, Tatsuo Ishii is...@postgresql.org wrote:
 SyncRepWakeQueue (src/backend/replication/syncrep.c) is not used
 anywhere except in the file. If there's no good reason for it, I think
 it should be declared as a static function.  Included patch does so.

 Fix committed/pushed from master to 9.2. 9.1 declares it as a static
 function.

Er, is that a good idea to back-patch that? Normally routine specs are
maintained stable on back-branches, and this is just a cosmetic
change.
-- 
Michael


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Re: [HACKERS] Why SyncRepWakeQueue is not static?

2015-03-25 Thread Tatsuo Ishii
 Fix committed/pushed from master to 9.2. 9.1 declares it as a static
 function.
 
 Er, is that a good idea to back-patch that? Normally routine specs are
 maintained stable on back-branches, and this is just a cosmetic
 change.

I'm not sure if it's a cosmetic change or not. I thought declaring
to-be-static function as extern is against our coding
standard. Moreover, if someone wants to change near the place in the
source code in the future, changes made to head may not be easily back
patched or cherry-picked to older branches if I do not back patch it.

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp


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[HACKERS] Why SyncRepWakeQueue is not static?

2015-03-24 Thread Tatsuo Ishii
SyncRepWakeQueue (src/backend/replication/syncrep.c) is not used
anywhere except in the file. If there's no good reason for it, I think
it should be declared as a static function.  Included patch does so.

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp
diff --git a/src/backend/replication/syncrep.c b/src/backend/replication/syncrep.c
index ec594cf..325239d 100644
--- a/src/backend/replication/syncrep.c
+++ b/src/backend/replication/syncrep.c
@@ -69,6 +69,7 @@ static int	SyncRepWaitMode = SYNC_REP_NO_WAIT;
 
 static void SyncRepQueueInsert(int mode);
 static void SyncRepCancelWait(void);
+static int	SyncRepWakeQueue(bool all, int mode);
 
 static int	SyncRepGetStandbyPriority(void);
 
@@ -546,7 +547,7 @@ SyncRepGetStandbyPriority(void)
  *
  * Must hold SyncRepLock.
  */
-int
+static int
 SyncRepWakeQueue(bool all, int mode)
 {
 	volatile WalSndCtlData *walsndctl = WalSndCtl;
diff --git a/src/include/replication/syncrep.h b/src/include/replication/syncrep.h
index b3d399d..71e2857 100644
--- a/src/include/replication/syncrep.h
+++ b/src/include/replication/syncrep.h
@@ -47,9 +47,6 @@ extern void SyncRepReleaseWaiters(void);
 /* called by checkpointer */
 extern void SyncRepUpdateSyncStandbysDefined(void);
 
-/* called by various procs */
-extern int	SyncRepWakeQueue(bool all, int mode);
-
 /* forward declaration to avoid pulling in walsender_private.h */
 struct WalSnd;
 extern struct WalSnd *SyncRepGetSynchronousStandby(void);

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Re: [HACKERS] Why SyncRepWakeQueue is not static?

2015-03-24 Thread Michael Paquier
On Wed, Mar 25, 2015 at 12:13 PM, Tatsuo Ishii is...@postgresql.org wrote:
 SyncRepWakeQueue (src/backend/replication/syncrep.c) is not used
 anywhere except in the file. If there's no good reason for it, I think
 it should be declared as a static function.  Included patch does so.

That's indeed contradictory with what is written in syncrep.h, the
function is not called from other places.
-- 
Michael


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