From 98b2a24d7f00fba786a81870c9c9c8ffb9b8f9cf Mon Sep 17 00:00:00 2001
From: Jie Liu <jeff.liu@oracle.com>
Date: Fri, 11 Jun 2010 16:29:02 +0800
Subject: [PATCH] copy.c: add FIEMAP_FLAG_SYNC to fiemap ioctl

* src/copy.c (fiemap_copy): Force kernel to sync the source
file before mapping.
---
 src/copy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/copy.c b/src/copy.c
index f149be460f..f48c74df73 100644
--- a/src/copy.c
+++ b/src/copy.c
@@ -191,6 +191,7 @@ fiemap_copy (int src_fd, int dest_fd, size_t buf_size,
   do
     {
       fiemap->fm_length = FIEMAP_MAX_OFFSET;
+      fiemap->fm_flags = FIEMAP_FLAG_SYNC;
       fiemap->fm_extent_count = count;
 
       /* When ioctl(2) fails, fall back to the normal copy only if it
-- 
2.47.3