On Wed, Aug 26, 2009 at 11:03:20AM -0700, Vasu Dev wrote:
> --- a/include/scsi/scsi_host.h
> +++ b/include/scsi/scsi_host.h
> @@ -43,6 +43,13 @@ struct blk_queue_tags;
> #define DISABLE_CLUSTERING 0
> #define ENABLE_CLUSTERING 1
>
> +enum {
> + SCSI_QDEPTH_SYSFS_REQ, /* user requested change through sysfs */
> + SCSI_QDEPTH_QFULL, /* scsi-ml requested due to queue full */
> + SCSI_QDEPTH_RAMP_UP, /* scsi-ml requested due to threshhold event */
> + SCSI_QDEPTH_RAMP_DOWN, /* LLD/class requested due to lld/class event */
> +};
> +
> struct scsi_host_template {
> struct module *module;
> const char *name;
I did not find SCSI_QDEPTH_RAMP_DOWN being used. Would a LLD use this
internally when changing the queue depth?
--
Christof Schmitt
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