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authorEd L. Cashin <ecashin@coraid.com>2006-09-20 22:36:50 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2006-10-18 23:53:50 +0400
commitb751e8b6590efdb76e1682c85bfcd5f3531ccae4 (patch)
treeb61a3a6a81d14491eca349ada8e3c49db95d3c28 /drivers/block
parent4f51dc5e9ae195d2e8c22e5f574e004c2f6518a4 (diff)
downloadlinux-b751e8b6590efdb76e1682c85bfcd5f3531ccae4.tar.xz
aoe: module parameter for device timeout
The aoe_deadsecs module parameter sets the number of seconds that elapse before a nonresponsive AoE device is marked as dead. This is runtime settable in sysfs or settable with a module load or kernel boot parameter. Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/aoe/aoecmd.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 9ebc98ade3c5..f2b8f558e1bb 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -15,7 +15,10 @@
#define TIMERTICK (HZ / 10)
#define MINTIMER (2 * TIMERTICK)
#define MAXTIMER (HZ << 1)
-#define MAXWAIT (60 * 3) /* After MAXWAIT seconds, give up and fail dev */
+
+static int aoe_deadsecs = 60 * 3;
+module_param(aoe_deadsecs, int, 0644);
+MODULE_PARM_DESC(aoe_deadsecs, "After aoe_deadsecs seconds, give up and fail dev.");
struct sk_buff *
new_skb(ulong len)
@@ -373,7 +376,7 @@ rexmit_timer(ulong vp)
if (f->tag != FREETAG && tsince(f->tag) >= timeout) {
n = f->waited += timeout;
n /= HZ;
- if (n > MAXWAIT) { /* waited too long. device failure. */
+ if (n > aoe_deadsecs) { /* waited too long for response */
aoedev_downdev(d);
break;
}