[PATCH] jbd: use BUILD_BUG_ON in journal init

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Stephen Tweedie <sct@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 7 deletions

diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index 87c5a6d00805..2613fca92740 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -2047,13 +2047,7 @@ static int __init journal_init(void)
 {
         int ret;
 
-/* Static check for data structure consistency.  There's no code
- * invoked --- we'll just get a linker failure if things aren't right.
- */
-        extern void journal_bad_superblock_size(void);
-        if (sizeof(struct journal_superblock_s) != 1024)
-                journal_bad_superblock_size();
-
+        BUILD_BUG_ON(sizeof(struct journal_superblock_s) != 1024);
 
         ret = journal_init_caches();
         if (ret != 0)