extlinux: Make sure ldlinux.sys file is installed

Due to delayed allocation feature on XFS filesystems, a write is not
guaranteed to flushed out to the underlying file system after crash or
something else - so we need to make sure that ldlinux.sys is installed
correctly in the mounted filesystem.

Signed-off-by: Paulo Alcantara <pcacjr@zytor.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/extlinux/main.c b/extlinux/main.c
index 0204caa1..fa54152e 100644
--- a/extlinux/main.c
+++ b/extlinux/main.c
@@ -687,6 +687,8 @@ static int xfs_install_file(const char *path, int devfd, struct stat *rst)
     }
 
     close(dirfd);
+
+    sync();
     close(fd);
 
     return 0;