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authorJie Liu <jeff.liu@oracle.com>2010-06-11 16:29:02 +0800
committerJim Meyering <meyering@redhat.com>2011-01-30 20:44:11 +0100
commitd232c1cc20383c8e43c9f318a34140e3bd2026af (patch)
tree426438924415235043b576796be42fc8eb89696c /src
parent6c81b97a58cacdb337e1957312196c86647e25f9 (diff)
downloadcoreutils-d232c1cc20383c8e43c9f318a34140e3bd2026af.tar.xz
copy.c: add FIEMAP_FLAG_SYNC to fiemap ioctl
* src/copy.c (fiemap_copy): Force kernel to sync the source file before mapping.
Diffstat (limited to 'src')
-rw-r--r--src/copy.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/copy.c b/src/copy.c
index 1d32913eb..ead15b82f 100644
--- a/src/copy.c
+++ b/src/copy.c
@@ -190,6 +190,7 @@ 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