This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / fs / ext2 / xip.h

diff --git a/fs/ext2/xip.h b/fs/ext2/xip.h
new file mode 100644 (file)
index 0000000..aa85331
--- /dev/null
+++ b/fs/ext2/xip.h
@@ -0,0 +1,25 @@
+/*
+ *  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 *, int);
+
+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);
+}
+struct page* ext2_get_xip_page (struct address_space *, sector_t, int);
+#define mapping_is_xip(map) unlikely(map->a_ops->get_xip_page)
+#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_page                      NULL
+#endif