[PATCH]: jiffies wrap in ll_rw_blk.c

Luben Tuikov (luben@splentec.com)
Wed, 20 Nov 2002 15:44:03 -0500


--- 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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