write-or-die: add an fsync component for the object map

We'll soon be writing out an object map using the hashfile code. Add an
fsync component to allow us to handle fsyncing it correctly.

Signed-off-by: brian m. carlson <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: bk2204

write-or-die.h

@@ -21,6 +21,7 @@ enum fsync_component {
 	FSYNC_COMPONENT_COMMIT_GRAPH		= 1 << 3,
 	FSYNC_COMPONENT_INDEX			= 1 << 4,
 	FSYNC_COMPONENT_REFERENCE		= 1 << 5,
+	FSYNC_COMPONENT_OBJECT_MAP		= 1 << 6,
 };
 
 #define FSYNC_COMPONENTS_OBJECTS (FSYNC_COMPONENT_LOOSE_OBJECT | \
@@ -44,7 +45,8 @@ enum fsync_component {
 			      FSYNC_COMPONENT_PACK_METADATA | \
 			      FSYNC_COMPONENT_COMMIT_GRAPH | \
 			      FSYNC_COMPONENT_INDEX | \
-			      FSYNC_COMPONENT_REFERENCE)
+			      FSYNC_COMPONENT_REFERENCE | \
+			      FSYNC_COMPONENT_OBJECT_MAP)
 
 #ifndef FSYNC_COMPONENTS_PLATFORM_DEFAULT
 #define FSYNC_COMPONENTS_PLATFORM_DEFAULT FSYNC_COMPONENTS_DEFAULT