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authoroster <oster@NetBSD.org>2004-02-29 23:03:30 +0000
committeroster <oster@NetBSD.org>2004-02-29 23:03:30 +0000
commit4b8d5fc8b6acb7597fc332490aa8f604ebabb87b (patch)
tree5218c71eb4c84b59e83374be54308789a087bcf0 /sys/dev
parente9ec0296120796b84f6e1fa794fa669fefa469bc (diff)
Unlock the mcpair mutex before we call rf_DispatchDAG(), and re-lock it once
we are back. Makes things much happier on SMP boxen. Problem noted by SimonB. (Thanks!)
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/raidframe/rf_raid1.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/dev/raidframe/rf_raid1.c b/sys/dev/raidframe/rf_raid1.c
index 0fd92691927..440de4fc2f4 100644
--- a/sys/dev/raidframe/rf_raid1.c
+++ b/sys/dev/raidframe/rf_raid1.c
@@ -1,4 +1,4 @@
-/* $NetBSD: rf_raid1.c,v 1.17 2004/01/10 00:56:28 oster Exp $ */
+/* $NetBSD: rf_raid1.c,v 1.18 2004/02/29 23:03:30 oster Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
@@ -33,7 +33,7 @@
*****************************************************************************/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rf_raid1.c,v 1.17 2004/01/10 00:56:28 oster Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rf_raid1.c,v 1.18 2004/02/29 23:03:30 oster Exp $");
#include "rf_raid.h"
#include "rf_raid1.h"
@@ -370,8 +370,12 @@ rf_VerifyParityRAID1(RF_Raid_t *raidPtr, RF_RaidAddr_t raidAddr,
#endif
RF_LOCK_MUTEX(mcpair->mutex);
mcpair->flag = 0;
+ RF_UNLOCK_MUTEX(mcpair->mutex);
+
rf_DispatchDAG(rd_dag_h, (void (*) (void *)) rf_MCPairWakeupFunc,
(void *) mcpair);
+
+ RF_LOCK_MUTEX(mcpair->mutex);
while (mcpair->flag == 0) {
RF_WAIT_MCPAIR(mcpair);
}