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[PATCH] BLOCK: Remove dependence on existence of blockdev_superblock [try #6]
[linux-block.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
*/