[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/fs/jfs/jfs_extent.h b/src/kernel/linux/v4.14/fs/jfs/jfs_extent.h
new file mode 100644
index 0000000..b567e12
--- /dev/null
+++ b/src/kernel/linux/v4.14/fs/jfs/jfs_extent.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) International Business Machines Corp., 2000-2001
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will 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 to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#ifndef _H_JFS_EXTENT
+#define _H_JFS_EXTENT
+
+/* get block allocation allocation hint as location of disk inode */
+#define INOHINT(ip) \
+ (addressPXD(&(JFS_IP(ip)->ixpxd)) + lengthPXD(&(JFS_IP(ip)->ixpxd)) - 1)
+
+extern int extAlloc(struct inode *, s64, s64, xad_t *, bool);
+extern int extFill(struct inode *, xad_t *);
+extern int extHint(struct inode *, s64, xad_t *);
+extern int extRealloc(struct inode *, s64, xad_t *, bool);
+extern int extRecord(struct inode *, xad_t *);
+
+#endif /* _H_JFS_EXTENT */