[PATCH] BLOCK: Remove dependence on existence of blockdev_superblock [try #6]

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

diff --git a/fs/internal.h b/fs/internal.h
index c21ecd37b1e79d9104d326a25d5cb4ebba2f576c..f662b703bb97bcdbebe41c20f187fcdb9d5e4106 100644 (file)
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -17,6 +17,8 @@
 extern struct super_block *blockdev_superblock;
 extern void __init bdev_cache_init(void);
 
+#define sb_is_blkdev_sb(sb) ((sb) == blockdev_superblock)
+
 /*
  * char_dev.c
  */