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-rw-r--r--fs/xfs/xfs_linux.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h
index 8f07c9f615..ac35532812 100644
--- a/fs/xfs/xfs_linux.h
+++ b/fs/xfs/xfs_linux.h
@@ -198,6 +198,11 @@ static inline uint64_t howmany_64(uint64_t x, uint32_t y)
return x;
}
+static inline bool isaligned_64(uint64_t x, uint32_t y)
+{
+ return do_div(x, y) == 0;
+}
+
/* If @b is a power of 2, return log2(b). Else return -1. */
static inline int8_t log2_if_power2(unsigned long b)
{