Re: [PATCH 3/9] [SCSI] mvsas: Add driver version and interruptcoalescing to device attributes in sysfs

From: Greg KH
Date: Tue May 31 2011 - 03:41:12 EST


On Tue, May 31, 2011 at 12:26:45AM -0700, Xiangliang Yu wrote:
>
> >Then I would strongly recommend never exporting this value to allow it
> >to be changed at all then. It doesn't sound worth it.
> OK, Thanks!
> I remove the sysfs file and the modified patch is:

Thanks for removing it, but you still left part of it in the patch, see
below.

> diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
> index 9f1cccc..d977684 100644
> --- a/drivers/scsi/mvsas/mv_init.c
> +++ b/drivers/scsi/mvsas/mv_init.c
> @@ -34,6 +34,8 @@ MODULE_PARM_DESC(collector, "\n"
> "\tThe mvsas SAS LLDD supports both modes.\n"
> "\tDefault: 1 (Direct Mode).\n");
>
> +int interrupt_coalescing = 0x80;

This should be named something else, or made static, as you just made it
a global name, which is not good at all.

> @@ -48,6 +50,8 @@ static const struct mvs_chip_info mvs_chips[] = {
> [chip_1320] = { 2, 4, 0x800, 17, 64, 9, &mvs_94xx_dispatch, },
> };
>
> +struct device_attribute *mvst_host_attrs[] = { NULL };
> +
> #define SOC_SAS_NUM 2
> #define SG_MX 64
>
> @@ -74,6 +78,7 @@ static struct scsi_host_template mvs_sht = {
> .slave_alloc = mvs_slave_alloc,
> .target_destroy = sas_target_destroy,
> .ioctl = sas_ioctl,
> + .shost_attrs = mvst_host_attrs,

Here, you don't need these at all now, right?

thanks,

greg k-h
--
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/