interface: Flesh out the BLKIF_OP_DISCARD description.
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Thu, 27 Oct 2011 15:04:17 +0000 (16:04 +0100)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Thu, 27 Oct 2011 15:04:17 +0000 (16:04 +0100)
commit5927eb1ee4f1add581223f0e7f7080cb0c4478a2
tree2a4f0b494fa0d1afa425348d1abacd954effdc0a
parent08eb895b1c4a4aa6a9d93554fb023d6f1aa29d81
interface: Flesh out the BLKIF_OP_DISCARD description.

We flesh out details on what is expected of 'feature-flush' and
what are some of the extra parameters that the frontend can read
from the backend. Those extra parameters are: : discard-aligment,
and discard-granularity.

Acked-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Committed-by: Keir Fraser <keir@xen.org>
xen/include/public/io/blkif.h