[dm-devel] [PATCH] manually set io_restrictions in dm-error

[Kevin Corry]

On Wednesday 05 November 2003 05:20, Joe Thornber wrote:
> Kevin,
>
> I think your last 2 patches can more elegantly be replaced with this,
> agree ?
>
> - Joe

Yep, that looks much better.


> Make sure that a target has a sensible set of default io restrictions.
> --- diff/drivers/md/dm-table.c	2003-10-30 11:49:59.000000000 +0000
> +++ source/drivers/md/dm-table.c	2003-11-05 11:15:21.000000000 +0000
> @@ -619,6 +619,16 @@
>  	return 0;
>  }
>
> +static void set_default_limits(struct io_restrictions *rs)
> +{
> +	rs->max_sectors = MAX_SECTORS;
> +	rs->max_phys_segments = MAX_PHYS_SEGMENTS;
> +	rs->max_hw_segments = MAX_HW_SEGMENTS;
> +	rs->hardsect_size = 1 << SECTOR_SHIFT;
> +	rs->max_segment_size = MAX_SEGMENT_SIZE;
> +	rs->seg_boundary_mask = -1;
> +}
> +
>  int dm_table_add_target(struct dm_table *t, const char *type,
>  			sector_t start, sector_t len, char *params)
>  {
> @@ -631,6 +641,7 @@
>
>  	tgt = t->targets + t->num_targets;
>  	memset(tgt, 0, sizeof(*tgt));
> +	set_default_limits(&tgt->limits);
>
>  	tgt->type = dm_get_target_type(type);
>  	if (!tgt->type) {


-- 
Kevin Corry
kevcorry at us.ibm.com
http://evms.sourceforge.net/