[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/fs/ext2/xip.h b/ap/os/linux/linux-3.4.x/fs/ext2/xip.h
new file mode 100644
index 0000000..18b34d2
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/fs/ext2/xip.h
@@ -0,0 +1,26 @@
+/*
+ * linux/fs/ext2/xip.h
+ *
+ * Copyright (C) 2005 IBM Corporation
+ * Author: Carsten Otte (cotte@de.ibm.com)
+ */
+
+#ifdef CONFIG_EXT2_FS_XIP
+extern void ext2_xip_verify_sb (struct super_block *);
+extern int ext2_clear_xip_target (struct inode *, sector_t);
+
+static inline int ext2_use_xip (struct super_block *sb)
+{
+ struct ext2_sb_info *sbi = EXT2_SB(sb);
+ return (sbi->s_mount_opt & EXT2_MOUNT_XIP);
+}
+int ext2_get_xip_mem(struct address_space *, pgoff_t, int,
+ void **, unsigned long *);
+#define mapping_is_xip(map) unlikely(map->a_ops->get_xip_mem)
+#else
+#define mapping_is_xip(map) 0
+#define ext2_xip_verify_sb(sb) do { } while (0)
+#define ext2_use_xip(sb) 0
+#define ext2_clear_xip_target(inode, chain) 0
+#define ext2_get_xip_mem NULL
+#endif