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-rw-r--r--fs/ocfs2/ocfs2_fs.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index 4a4565b..e9431e4 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -301,6 +301,15 @@ struct ocfs2_new_group_input {
#define OCFS2_IOC_GROUP_ADD _IOW('o', 2,struct ocfs2_new_group_input)
#define OCFS2_IOC_GROUP_ADD64 _IOW('o', 3,struct ocfs2_new_group_input)
+/* Used to pass 2 file names to reflink. */
+struct reflink_arguments {
+ __u64 old_path;
+ __u64 new_path;
+ __u64 preserve;
+};
+#define OCFS2_IOC_REFLINK _IOW('o', 4, struct reflink_arguments)
+
+
/*
* Journal Flags (ocfs2_dinode.id1.journal1.i_flags)
*/
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