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Commit b751e8b6 authored by Ed L. Cashin's avatar Ed L. Cashin Committed by Greg Kroah-Hartman
Browse files

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: default avatar"Ed L. Cashin" <ecashin@coraid.com>
Acked-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 4f51dc5e

drivers/block/aoe/aoecmd.c

+5 −2
Original line number Diff line number Diff line
@@ -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;

			}