[PATCH] befs (3/5): binary search microoptimisation

[Sergey S. Kostyliov]

Move value initialisation out of the loop body.

===== fs/befs/btree.c 1.6 vs edited =====
--- 1.6/fs/befs/btree.c	Sun Jul 13 19:55:50 2003
+++ edited/fs/befs/btree.c	Thu May 13 19:45:39 2004
@@ -372,12 +372,12 @@
 		thiskey = befs_bt_get_key(sb, node, mid, &keylen);
 		eq = befs_compare_strings(thiskey, keylen, findkey,
 					  findkey_len);
-		*value = fs64_to_cpu(sb, valarray[mid]);
 
 		if (eq == 0) {
 			befs_debug(sb, "<--- befs_find_key() found %s at %d",
 				   thiskey, mid);
 
+			*value = fs64_to_cpu(sb, valarray[mid]);
 			return BEFS_BT_MATCH;
 		}
 		if (eq > 0)
@@ -387,6 +387,8 @@
 	}
 	if (eq < 0)
 		*value = fs64_to_cpu(sb, valarray[mid + 1]);
+	else
+		*value = fs64_to_cpu(sb, valarray[mid]);
 	befs_debug(sb, "<--- befs_find_key() found %s at %d", thiskey, mid);
 	return BEFS_BT_PARMATCH;
 }

-- 
                   Best regards,
                   Sergey S. Kostyliov <rathamahata@xxxxxxx>
                   Public PGP key: http://sysadminday.org.ru/rathamahata.asc

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/