[PATCH] docbook: add edd firmware interfaces

[linux-2.6-omap-h63xx.git] / fs / internal.h

diff --git a/fs/internal.h b/fs/internal.h
index c21ecd37b1e79d9104d326a25d5cb4ebba2f576c..ea00126c9a5932aac9d56d02a075b7d6ae9c9093 100644 (file)
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -11,12 +11,31 @@
 
 #include <linux/ioctl32.h>
 
+struct super_block;
+
 /*
  * block_dev.c
  */
+#ifdef CONFIG_BLOCK
 extern struct super_block *blockdev_superblock;
 extern void __init bdev_cache_init(void);
 
+static inline int sb_is_blkdev_sb(struct super_block *sb)
+{
+       return sb == blockdev_superblock;
+}
+
+#else
+static inline void bdev_cache_init(void)
+{
+}
+
+static inline int sb_is_blkdev_sb(struct super_block *sb)
+{
+       return 0;
+}
+#endif
+
 /*
  * char_dev.c
  */