Improve code comments in b0eaa4c.

Amit Kapila · Amit Kapila · commit 06c8a5090ed9 · 2019-03-16T06:55:56.000+05:30
Author: John Naylor Discussion: https://postgr.es/m/CACPNZCswjyGJxTT=mxHgK=Z=mJ9uJ4WEx_UO=bNwpR_i0EaHHg@mail.gmail.com
diff --git a/src/backend/storage/freespace/freespace.c b/src/backend/storage/freespace/freespace.c
@@ -198,7 +198,7 @@ GetPageWithFreeSpace(Relation rel, Size spaceNeeded, bool check_fsm_only)
 		}
 		else if (nblocks > 0)
 		{
-			/* Create or update local map and get first candidate block. */
+			/* Initialize local map and get first candidate block. */
 			fsm_local_set(rel, nblocks);
 			target_block = fsm_local_search();
 		}
@@ -1119,8 +1119,7 @@ fsm_allow_writes(Relation rel, BlockNumber heapblk,
 }
 
 /*
- * Initialize or update the local map of blocks to try, for when there is
- * no FSM.
+ * Initialize the local map of blocks to try, for when there is no FSM.
  *
  * When we initialize the map, the whole heap is potentially available to
  * try.  Testing revealed that trying every block can cause a small

Original file line number	Diff line number	Diff line change
`@@ -198,7 +198,7 @@ GetPageWithFreeSpace(Relation rel, Size spaceNeeded, bool check_fsm_only)`
`198`	`198`	`}`
`199`	`199`	`else if (nblocks > 0)`
`200`	`200`	`{`
`201`		`- /* Create or update local map and get first candidate block. */`
	`201`	`+ /* Initialize local map and get first candidate block. */`
`202`	`202`	`fsm_local_set(rel, nblocks);`
`203`	`203`	`target_block = fsm_local_search();`
`204`	`204`	`}`
`@@ -1119,8 +1119,7 @@ fsm_allow_writes(Relation rel, BlockNumber heapblk,`
`1119`	`1119`	`}`
`1120`	`1120`
`1121`	`1121`	`/*`
`1122`		`- * Initialize or update the local map of blocks to try, for when there is`
`1123`		`- * no FSM.`
	`1122`	`+ * Initialize the local map of blocks to try, for when there is no FSM.`
`1124`	`1123`	`*`
`1125`	`1124`	`* When we initialize the map, the whole heap is potentially available to`
`1126`	`1125`	`* try. Testing revealed that trying every block can cause a small`