[PATCH v2 2/4] memory: Rename memory_region_do_writeback() -> memory_region_sync()

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

We usually use '_do_' for internal functions. Rename
memory_region_do_writeback() as memory_region_sync()
to better reflect what it does.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 include/exec/memory.h | 13 +++++++------
 memory.c              |  2 +-
 target/arm/helper.c   |  2 +-
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/include/exec/memory.h b/include/exec/memory.h
index e000bd2f97..4fc1d85b99 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -1474,14 +1474,15 @@ void *memory_region_get_ram_ptr(MemoryRegion *mr);
 void memory_region_ram_resize(MemoryRegion *mr, ram_addr_t newsize,
                               Error **errp);
 /**
- * memory_region_do_writeback: Trigger cache writeback or msync for
- * selected address range
+ * memory_region_sync: Synchronize selected address range
  *
- * @mr: the memory region to be updated
- * @addr: the initial address of the range to be written back
- * @size: the size of the range to be written back
+ * It is only meaningful for RAM regions, otherwise it is no-op.
+ *
+ * @mr: the memory region to be synchronized
+ * @addr: the initial address of the range to be sync
+ * @size: the size of the range to be sync
  */
-void memory_region_do_writeback(MemoryRegion *mr, hwaddr addr, hwaddr size);
+void memory_region_sync(MemoryRegion *mr, hwaddr addr, hwaddr size);
 
 /**
  * memory_region_set_log: Turn dirty logging on or off for a region.
diff --git a/memory.c b/memory.c
index fd5c3af535..73534b26f4 100644
--- a/memory.c
+++ b/memory.c
@@ -2198,7 +2198,7 @@ void memory_region_ram_resize(MemoryRegion *mr, ram_addr_t newsize, Error **errp
 }
 
 
-void memory_region_do_writeback(MemoryRegion *mr, hwaddr addr, hwaddr size)
+void memory_region_sync(MemoryRegion *mr, hwaddr addr, hwaddr size)
 {
     /*
      * Might be extended case needed to cover
diff --git a/target/arm/helper.c b/target/arm/helper.c
index a94f650795..c2697ed7c0 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6829,7 +6829,7 @@ static void dccvap_writefn(CPUARMState *env, const ARMCPRegInfo *opaque,
         mr = memory_region_from_host(haddr, &offset);
 
         if (mr) {
-            memory_region_do_writeback(mr, offset, dline_size);
+            memory_region_sync(mr, offset, dline_size);
         }
     }
 }
-- 
2.21.3