| commit | d54eaa5a0fde0a202e4e91f200f818edcef15bee | [log] [tgz] |
|---|---|---|
| author | Mike Snitzer <snitzer@redhat.com> | Fri Dec 21 20:23:36 2012 +0000 |
| committer | Alasdair G Kergon <agk@redhat.com> | Fri Dec 21 20:23:36 2012 +0000 |
| tree | bb40893166dc8cd1d0f84c8087d021b66774a007 | |
| parent | 9c5091f2eeeffe5eca2ffe8a1bc28d312c8a5083 [diff] |
dm: prepare to support WRITE SAME Allow targets to opt in to WRITE SAME support by setting 'num_write_same_requests' in the dm_target structure. A dm device will only advertise WRITE SAME support if all its targets and all its underlying devices support it. Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>