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(parent: 9bce218) | patch
sunvdc: compute vdisk geometry from capacity
authorAllen Pais <allen.pais@oracle.com>
Fri, 19 Sep 2014 13:42:26 +0000 (09:42 -0400)
committerDavid S. Miller <davem@davemloft.net>
Tue, 30 Sep 2014 21:37:35 +0000 (14:37 -0700)
commitde5b73f08468b4fc5e2f6d1505f650262622f78b
tree816a637bb63a32c37b87b1624b25aa76c4d18d91tree | snapshot (tar.gz zip)
parent9bce21828d54a95143f1b74619705c2dd8e88b92commit | diff
sunvdc: compute vdisk geometry from capacity

The LDom diskserver doesn't return reliable geometry data. In addition,
the types for all fields in the vio_disk_geom are u16, which were being
truncated in the cast into the u8's of the Linux struct hd_geometry.

Modify vdc_getgeo() to compute the geometry from the disk's capacity in a
manner consistent with xen-blkfront::blkif_getgeo().

Signed-off-by: Dwight Engen <dwight.engen@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/block/sunvdc.c diff | blob | blame | history