dm vdo memory-alloc: rename vdo_do_allocation to __vdo_do_allocation

__vdo_do_allocation shouldn't be used outside of memory-alloc.h, so
add hidden prefix.

Also, tabify the vdo_allocate_extended macro.
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Matthew Sakai <msakai@redhat.com>

drivers/md/dm-vdo/memory-alloc.h

@@ -37,7 +37,7 @@ int __must_check vdo_allocate_memory(size_t size, size_t align, const char *what
  *
  * Return: UDS_SUCCESS or an error code
  */
-static inline int vdo_do_allocation(size_t count, size_t size, size_t extra,
+static inline int __vdo_do_allocation(size_t count, size_t size, size_t extra,
 				      size_t align, const char *what, void *ptr)
 {
 	size_t total_size = count * size + extra;
@@ -68,7 +68,7 @@ static inline int vdo_do_allocation(size_t count, size_t size, size_t extra,
  * Return: UDS_SUCCESS or an error code
  */
 #define vdo_allocate(COUNT, TYPE, WHAT, PTR) \
-	vdo_do_allocation(COUNT, sizeof(TYPE), 0, __alignof__(TYPE), WHAT, PTR)
+	__vdo_do_allocation(COUNT, sizeof(TYPE), 0, __alignof__(TYPE), WHAT, PTR)
 
 /*
  * Allocate one object of an indicated type, followed by one or more elements of a second type,
@@ -88,7 +88,7 @@ static inline int vdo_do_allocation(size_t count, size_t size, size_t extra,
 		int _result;						\
 		TYPE1 **_ptr = (PTR);					\
 		BUILD_BUG_ON(__alignof__(TYPE1) < __alignof__(TYPE2));	\
-		_result = vdo_do_allocation(COUNT,                       \
+		_result = __vdo_do_allocation(COUNT,			\
 					      sizeof(TYPE2),		\
 					      sizeof(TYPE1),		\
 					      __alignof__(TYPE1),	\