[dm-devel] Re: [PATCH] User-configurable HDIO_GETGEO for dm volumes

[Alasdair G Kergon]

On Fri, Feb 17, 2006 at 03:16:50PM +0000, Alasdair G Kergon wrote:
> +static int dm_blk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
> +{
> +	struct mapped_device *md = bdev->bd_disk->private_data;
> +
> +	return dm_table_get_geometry(md->map, geo);
> +}
> 
> And if md->map is NULL?

See also:

  /*
   * Everyone (including functions in this file), should use this
   * function to access the md->map field, and make sure they call
   * dm_table_put() when finished.
   */
  struct dm_table *dm_get_table(struct mapped_device *md)


Alasdair
-- 
agk at redhat.com