zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/fs/xfs/xfs_dfrag.h b/ap/os/linux/linux-3.4.x/fs/xfs/xfs_dfrag.h
new file mode 100644
index 0000000..20bdd93
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/fs/xfs/xfs_dfrag.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2000,2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#ifndef __XFS_DFRAG_H__
+#define __XFS_DFRAG_H__
+
+/*
+ * Structure passed to xfs_swapext
+ */
+
+typedef struct xfs_swapext
+{
+ __int64_t sx_version; /* version */
+ __int64_t sx_fdtarget; /* fd of target file */
+ __int64_t sx_fdtmp; /* fd of tmp file */
+ xfs_off_t sx_offset; /* offset into file */
+ xfs_off_t sx_length; /* leng from offset */
+ char sx_pad[16]; /* pad space, unused */
+ xfs_bstat_t sx_stat; /* stat of target b4 copy */
+} xfs_swapext_t;
+
+/*
+ * Version flag
+ */
+#define XFS_SX_VERSION 0
+
+#ifdef __KERNEL__
+/*
+ * Prototypes for visible xfs_dfrag.c routines.
+ */
+
+/*
+ * Syscall interface for xfs_swapext
+ */
+int xfs_swapext(struct xfs_swapext *sx);
+
+#endif /* __KERNEL__ */
+
+#endif /* __XFS_DFRAG_H__ */