Reduce lock levels others reloptions in ALTER TABLE

diff --git a/src/backend/access/common/reloptions.c b/src/backend/access/common/reloptions.c
index 86b9ae1..8128dd4 100644
--- a/src/backend/access/common/reloptions.c
+++ b/src/backend/access/common/reloptions.c
@@ -76,7 +76,7 @@ static relopt_bool boolRelOpts[] =
 			"fastupdate",
 			"Enables \"fast update\" feature for this GIN index",
 			RELOPT_KIND_GIN,
-			AccessExclusiveLock
+			ShareUpdateExclusiveLock
 		},
 		true
 	},
@@ -100,7 +100,7 @@ static relopt_int intRelOpts[] =
 			"fillfactor",
 			"Packs table pages only to this percentage",
 			RELOPT_KIND_HEAP,
-			AccessExclusiveLock
+			ShareUpdateExclusiveLock
 		},
 		HEAP_DEFAULT_FILLFACTOR, HEAP_MIN_FILLFACTOR, 100
 	},
@@ -109,7 +109,7 @@ static relopt_int intRelOpts[] =
 			"fillfactor",
 			"Packs btree index pages only to this percentage",
 			RELOPT_KIND_BTREE,
-			AccessExclusiveLock
+			ShareUpdateExclusiveLock
 		},
 		BTREE_DEFAULT_FILLFACTOR, BTREE_MIN_FILLFACTOR, 100
 	},
@@ -118,7 +118,7 @@ static relopt_int intRelOpts[] =
 			"fillfactor",
 			"Packs hash index pages only to this percentage",
 			RELOPT_KIND_HASH,
-			AccessExclusiveLock
+			ShareUpdateExclusiveLock
 		},
 		HASH_DEFAULT_FILLFACTOR, HASH_MIN_FILLFACTOR, 100
 	},
@@ -127,7 +127,7 @@ static relopt_int intRelOpts[] =
 			"fillfactor",
 			"Packs gist index pages only to this percentage",
 			RELOPT_KIND_GIST,
-			AccessExclusiveLock
+			ShareUpdateExclusiveLock
 		},
 		GIST_DEFAULT_FILLFACTOR, GIST_MIN_FILLFACTOR, 100
 	},
@@ -136,7 +136,7 @@ static relopt_int intRelOpts[] =
 			"fillfactor",
 			"Packs spgist index pages only to this percentage",
 			RELOPT_KIND_SPGIST,
-			AccessExclusiveLock
+			ShareUpdateExclusiveLock
 		},
 		SPGIST_DEFAULT_FILLFACTOR, SPGIST_MIN_FILLFACTOR, 100
 	},
@@ -250,7 +250,7 @@ static relopt_int intRelOpts[] =
 			"gin_pending_list_limit",
 			"Maximum size of the pending list for this GIN index, in kilobytes.",
 			RELOPT_KIND_GIN,
-			AccessExclusiveLock
+			ShareUpdateExclusiveLock
 		},
 		-1, 64, MAX_KILOBYTES
 	},
@@ -297,7 +297,7 @@ static relopt_real realRelOpts[] =
 			"seq_page_cost",
 			"Sets the planner's estimate of the cost of a sequentially fetched disk page.",
 			RELOPT_KIND_TABLESPACE,
-			AccessExclusiveLock
+			ShareUpdateExclusiveLock
 		},
 		-1, 0.0, DBL_MAX
 	},
@@ -306,7 +306,7 @@ static relopt_real realRelOpts[] =
 			"random_page_cost",
 			"Sets the planner's estimate of the cost of a nonsequentially fetched disk page.",
 			RELOPT_KIND_TABLESPACE,
-			AccessExclusiveLock
+			ShareUpdateExclusiveLock
 		},
 		-1, 0.0, DBL_MAX
 	},
@@ -315,7 +315,7 @@ static relopt_real realRelOpts[] =
 			"n_distinct",
 			"Sets the planner's estimate of the number of distinct values appearing in a column (excluding child relations).",
 			RELOPT_KIND_ATTRIBUTE,
-			AccessExclusiveLock
+			ShareUpdateExclusiveLock
 		},
 		0, -1.0, DBL_MAX
 	},
@@ -324,7 +324,7 @@ static relopt_real realRelOpts[] =
 			"n_distinct_inherited",
 			"Sets the planner's estimate of the number of distinct values appearing in a column (including child relations).",
 			RELOPT_KIND_ATTRIBUTE,
-			AccessExclusiveLock
+			ShareUpdateExclusiveLock
 		},
 		0, -1.0, DBL_MAX
 	},
@@ -339,7 +339,7 @@ static relopt_string stringRelOpts[] =
 			"buffering",
 			"Enables buffering build for this GiST index",
 			RELOPT_KIND_GIST,
-			AccessExclusiveLock
+			ShareUpdateExclusiveLock
 		},
 		4,
 		false,
diff --git a/src/test/regress/expected/alter_table.out b/src/test/regress/expected/alter_table.out
index 7c88ddc..3232cda 100644
--- a/src/test/regress/expected/alter_table.out
+++ b/src/test/regress/expected/alter_table.out
@@ -2065,19 +2065,19 @@ select * from my_locks order by 1;
 commit;
 begin; alter table alterlock set (fillfactor = 100);
 select * from my_locks order by 1;
-  relname  |    max_lockmode     
------------+---------------------
- alterlock | AccessExclusiveLock
- pg_toast  | AccessExclusiveLock
+  relname  |       max_lockmode       
+-----------+--------------------------
+ alterlock | ShareUpdateExclusiveLock
+ pg_toast  | ShareUpdateExclusiveLock
 (2 rows)
 
 commit;
 begin; alter table alterlock reset (fillfactor);
 select * from my_locks order by 1;
-  relname  |    max_lockmode     
------------+---------------------
- alterlock | AccessExclusiveLock
- pg_toast  | AccessExclusiveLock
+  relname  |       max_lockmode       
+-----------+--------------------------
+ alterlock | ShareUpdateExclusiveLock
+ pg_toast  | ShareUpdateExclusiveLock
 (2 rows)
 
 commit;
@@ -2110,10 +2110,10 @@ rollback;
 -- test that mixing options with different lock levels works as expected
 begin; alter table alterlock set (autovacuum_enabled = off, fillfactor = 80);
 select * from my_locks order by 1;
-  relname  |    max_lockmode     
------------+---------------------
- alterlock | AccessExclusiveLock
- pg_toast  | AccessExclusiveLock
+  relname  |       max_lockmode       
+-----------+--------------------------
+ alterlock | ShareUpdateExclusiveLock
+ pg_toast  | ShareUpdateExclusiveLock
 (2 rows)
 
 commit;