From: Ed L. Cashin Date: Wed, 20 Sep 2006 18:36:50 +0000 (-0400) Subject: aoe: module parameter for device timeout X-Git-Tag: v2.6.19-rc3~124^2~5 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b751e8b6590efdb76e1682c85bfcd5f3531ccae4;p=linux-2.6 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" Acked-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 9ebc98ade3..f2b8f558e1 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; }