[PATCH]: jiffies wrap in ll_rw_blk.c

From: Luben Tuikov (luben@splentec.com)
Date: Wed Nov 20 2002 - 15:44:03 EST


--- ll_rw_blk.c.old Wed Nov 20 15:32:50 2002
+++ ll_rw_blk.c Wed Nov 20 15:33:06 2002
@@ -2092,7 +2092,7 @@
                complete(req->waiting);
 
        if (disk) {
- unsigned long duration = jiffies - req->start_time;
+ unsigned long duration = (signed) jiffies - (signed) req->start_time;
                switch (rq_data_dir(req)) {
                    case WRITE:
                        disk->writes++;
-
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