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-rw-r--r--fs/xfs/linux-2.6/xfs_linux.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index 14d840208e81..2b0e0018738a 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -332,4 +332,11 @@ static inline __uint64_t roundup_64(__uint64_t x, __uint32_t y)
return(x * y);
}
+static inline __uint64_t howmany_64(__uint64_t x, __uint32_t y)
+{
+ x += y - 1;
+ do_div(x, y);
+ return x;
+}
+
#endif /* __XFS_LINUX__ */
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