* [PATCH] jiffies handling in md.c
@ 2004-11-28 23:22 Michal Schmidt
0 siblings, 0 replies; only message in thread
From: Michal Schmidt @ 2004-11-28 23:22 UTC (permalink / raw)
To: Neil Brown; +Cc: linux-kernel
[-- Attachment #1: Type: text/plain, Size: 241 bytes --]
Hello,
md_do_sync in md.c doesn't handle jiffies overflow correctly.
The attached patch fixes this by changing the comparison to use the
time_after_eq macro.
Only compile-tested.
Signed-off-by: Michal Schmidt <xschmi00@stud.feec.vutbr.cz>
[-- Attachment #2: md-jiffies.patch --]
[-- Type: text/x-patch, Size: 434 bytes --]
--- linux-2.6.10-rc2-bk12/drivers/md/md.c.orig 2004-11-16 21:04:12.000000000 +0100
+++ linux-2.6.10-rc2-bk12/drivers/md/md.c 2004-11-29 00:02:29.854834272 +0100
@@ -3394,7 +3394,7 @@ static void md_do_sync(mddev_t *mddev)
break;
repeat:
- if (jiffies >= mark[last_mark] + SYNC_MARK_STEP ) {
+ if (time_after_eq(jiffies, mark[last_mark] + SYNC_MARK_STEP )) {
/* step marks */
int next = (last_mark+1) % SYNC_MARKS;
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2004-11-28 23:22 [PATCH] jiffies handling in md.c Michal Schmidt
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