Re: [PATCH] libata: implement ata_wait_after_reset()

From: Paul Mundt
Date: Wed May 16 2007 - 21:00:01 EST


On Wed, May 16, 2007 at 06:44:53PM +0200, Tejun Heo wrote:
> + /* FIXME: GoVault needs 2s but we can't afford that without
> + * parallel probing. 800ms is enough for iVDR disk
> + * HHD424020F7SV00. Increase to 2secs when parallel probing
> + * is in place.
> + */
> + ATA_TMOUT_FF_WAIT = 4 * HZ / 5,
> +

Changing this to 4 * HZ / 4 gets rid of the occasional COMRESET failure.
So it would seem that 800ms is good enough for the common case, but it
seems to be cutting it pretty close..
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/