diff options
| author | Mike Snitzer <snitzer@redhat.com> | 2012-12-21 20:23:36 +0000 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2012-12-21 20:23:36 +0000 |
| commit | d54eaa5a0fde0a202e4e91f200f818edcef15bee (patch) | |
| tree | bb40893166dc8cd1d0f84c8087d021b66774a007 /kernel/rwsem.c | |
| 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>
Diffstat (limited to 'kernel/rwsem.c')
0 files changed, 0 insertions, 0 deletions