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-rw-r--r--src/include/storage/aio.h5
-rw-r--r--src/include/storage/aio_internal.h1
-rw-r--r--src/include/storage/lwlocklist.h1
3 files changed, 5 insertions, 2 deletions
diff --git a/src/include/storage/aio.h b/src/include/storage/aio.h
index f48a4962089..7b6b7d20a85 100644
--- a/src/include/storage/aio.h
+++ b/src/include/storage/aio.h
@@ -27,10 +27,11 @@
typedef enum IoMethod
{
IOMETHOD_SYNC = 0,
+ IOMETHOD_WORKER,
} IoMethod;
-/* We'll default to synchronous execution. */
-#define DEFAULT_IO_METHOD IOMETHOD_SYNC
+/* We'll default to worker based execution. */
+#define DEFAULT_IO_METHOD IOMETHOD_WORKER
/*
diff --git a/src/include/storage/aio_internal.h b/src/include/storage/aio_internal.h
index 0ba3c4f1476..108fe61c7b4 100644
--- a/src/include/storage/aio_internal.h
+++ b/src/include/storage/aio_internal.h
@@ -385,6 +385,7 @@ extern PgAioHandle *pgaio_inj_io_get(void);
/* Declarations for the tables of function pointers exposed by each IO method. */
extern PGDLLIMPORT const IoMethodOps pgaio_sync_ops;
+extern PGDLLIMPORT const IoMethodOps pgaio_worker_ops;
extern PGDLLIMPORT const IoMethodOps *pgaio_method_ops;
extern PGDLLIMPORT PgAioCtl *pgaio_ctl;
diff --git a/src/include/storage/lwlocklist.h b/src/include/storage/lwlocklist.h
index cf565452382..932024b1b0b 100644
--- a/src/include/storage/lwlocklist.h
+++ b/src/include/storage/lwlocklist.h
@@ -83,3 +83,4 @@ PG_LWLOCK(49, WALSummarizer)
PG_LWLOCK(50, DSMRegistry)
PG_LWLOCK(51, InjectionPoint)
PG_LWLOCK(52, SerialControl)
+PG_LWLOCK(53, AioWorkerSubmissionQueue)