[BLOCK] elevator: Make elevator=as work again for anticipatory
authorChuck Ebbert <76306.1226@compuserve.com>
Mon, 16 Jan 2006 08:47:37 +0000 (09:47 +0100)
committerJens Axboe <axboe@suse.de>
Mon, 16 Jan 2006 08:47:37 +0000 (09:47 +0100)
Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
block/elevator.c

index 1d0759178e4b49710c6cb90c538fc6d0c897e126..e8025b2ec54a508a1bd5db7a23c9ff687e8923b4 100644 (file)
@@ -149,6 +149,13 @@ static void elevator_setup_default(void)
        if (!chosen_elevator[0])
                strcpy(chosen_elevator, CONFIG_DEFAULT_IOSCHED);
 
+       /*
+        * Be backwards-compatible with previous kernels, so users
+        * won't get the wrong elevator.
+        */
+       if (!strcmp(chosen_elevator, "as"))
+               strcpy(chosen_elevator, "anticipatory");
+
        /*
         * If the given scheduler is not available, fall back to no-op.
         */