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-rw-r--r--src/backend/storage/buffer/localbuf.c2
-rw-r--r--src/backend/storage/ipc/procarray.c9
-rw-r--r--src/backend/storage/lmgr/predicate.c2
-rw-r--r--src/backend/storage/smgr/md.c3
4 files changed, 7 insertions, 9 deletions
diff --git a/src/backend/storage/buffer/localbuf.c b/src/backend/storage/buffer/localbuf.c
index 391b6d6e16f..f5f6a29222b 100644
--- a/src/backend/storage/buffer/localbuf.c
+++ b/src/backend/storage/buffer/localbuf.c
@@ -361,7 +361,7 @@ DropRelFileNodeLocalBuffers(RelFileNode rnode, ForkNumber forkNum,
* This function removes from the buffer pool all pages of all forks
* of the specified relation.
*
- * See DropRelFileNodeAllBuffers in bufmgr.c for more notes.
+ * See DropRelFileNodesAllBuffers in bufmgr.c for more notes.
*/
void
DropRelFileNodeAllLocalBuffers(RelFileNode rnode)
diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c
index 18a0f62ba67..ea02973dc73 100644
--- a/src/backend/storage/ipc/procarray.c
+++ b/src/backend/storage/ipc/procarray.c
@@ -1428,10 +1428,11 @@ GetOldestXmin(Relation rel, int flags)
result = replication_slot_xmin;
/*
- * After locks have been released and defer_cleanup_age has been applied,
- * check whether we need to back up further to make logical decoding
- * possible. We need to do so if we're computing the global limit (rel =
- * NULL) or if the passed relation is a catalog relation of some kind.
+ * After locks have been released and vacuum_defer_cleanup_age has been
+ * applied, check whether we need to back up further to make logical
+ * decoding possible. We need to do so if we're computing the global limit
+ * (rel = NULL) or if the passed relation is a catalog relation of some
+ * kind.
*/
if (!(flags & PROCARRAY_SLOTS_XMIN) &&
(rel == NULL ||
diff --git a/src/backend/storage/lmgr/predicate.c b/src/backend/storage/lmgr/predicate.c
index 2fedbc4c15f..565c3ac4397 100644
--- a/src/backend/storage/lmgr/predicate.c
+++ b/src/backend/storage/lmgr/predicate.c
@@ -4360,7 +4360,7 @@ CheckTargetForConflictsIn(PREDICATELOCKTARGETTAG *targettag)
/*
* If we found one of our own SIREAD locks to remove, remove it now.
*
- * At this point our transaction already has an ExclusiveRowLock on the
+ * At this point our transaction already has a RowExclusiveLock on the
* relation, so we are OK to drop the predicate lock on the tuple, if
* found, without fearing that another write against the tuple will occur
* before the MVCC information makes it to the buffer.
diff --git a/src/backend/storage/smgr/md.c b/src/backend/storage/smgr/md.c
index 64acc3fa433..58c94e9257a 100644
--- a/src/backend/storage/smgr/md.c
+++ b/src/backend/storage/smgr/md.c
@@ -1163,9 +1163,6 @@ _mdfd_getseg(SMgrRelation reln, ForkNumber forknum, BlockNumber blkno,
* replaying WAL data that has a write into a high-numbered
* segment of a relation that was later deleted. We want to go
* ahead and create the segments so we can finish out the replay.
- * However if the caller has specified
- * EXTENSION_REALLY_RETURN_NULL, then extension is not desired
- * even in recovery; we won't reach this point in that case.
*
* We have to maintain the invariant that segments before the last
* active segment are of size RELSEG_SIZE; therefore, if