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    SubjectRe: [dm-devel] Re: [PATCH] User-configurable HDIO_GETGEO for dm volumes
    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@redhat.com
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