2 files changed, 16 insertions, 0 deletions
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index de0cb774b74..3f52a90a010 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -56,6 +56,21 @@ struct dnscache6 {
 	struct addrinfo *next;
 };
 
+
+int
+gf_log2 (unsigned long x)
+{
+        int val = 0;
+
+        while (x != 1) {
+                x /= 2;
+                val++;
+        }
+
+        return val;
+}
+
+
 int32_t
 gf_resolve_ip6 (const char *hostname, 
 		uint16_t port, 
diff --git a/libglusterfs/src/common-utils.h b/libglusterfs/src/common-utils.h
index c5869f4a424..48788d29545 100644
--- a/libglusterfs/src/common-utils.h
+++ b/libglusterfs/src/common-utils.h
@@ -330,6 +330,7 @@ int gf_lockfd (int fd);
 int gf_unlockfd (int fd);
 
 int get_checksum_for_file (int fd, uint32_t *checksum);
+int gf_log2 (unsigned long x);
 
 #endif /* _COMMON_UTILS_H */