diff options
| author | Ed L. Cashin <ecashin@coraid.com> | 2006-09-20 14:36:50 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-10-18 12:53:50 -0700 |
| commit | b751e8b6590efdb76e1682c85bfcd5f3531ccae4 (patch) | |
| tree | b61a3a6a81d14491eca349ada8e3c49db95d3c28 /drivers/block | |
| parent | 4f51dc5e9ae195d2e8c22e5f574e004c2f6518a4 (diff) | |
| download | lwn-b751e8b6590efdb76e1682c85bfcd5f3531ccae4.tar.gz lwn-b751e8b6590efdb76e1682c85bfcd5f3531ccae4.zip | |
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.c | 7 |
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; } |