On Fri, 2002-10-11 at 16:10, Stephen Cameron wrote:
>
> Wait up to 20 seconds for polled commands to complete. A certain multiport
> storage box needs this.
>
> diff -urN linux-2.5.41-p/drivers/block/cciss.c linux-2.5.41-q/drivers/block/cciss.c
> --- linux-2.5.41-p/drivers/block/cciss.c Wed Oct 9 15:22:14 2002
> +++ linux-2.5.41-q/drivers/block/cciss.c Wed Oct 9 15:54:35 2002
> @@ -1318,9 +1318,9 @@
> unsigned long done;
> int i;
>
> - /* Wait (up to 2 seconds) for a command to complete */
> + /* Wait (up to 20 seconds) for a command to complete */
>
> - for (i = 200000; i > 0; i--) {
> + for (i = 2000000; i > 0; i--) {
> done = hba[ctlr]->access.command_completed(hba[ctlr]);
> if (done == FIFO_EMPTY) {
> udelay(10); /* a short fixed delay */
ugh 20 seconds udelay....
why can't you sleep here ?
(and yes 20 seconds WILL trigger watchdogs!)
-
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This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:41 EST