dm linear: add WRITE SAME support
The linear target can already support WRITE SAME requests so signal
this by setting num_write_same_requests to 1.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index 1bf19a9..82222a8 100644
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -55,6 +55,7 @@
ti->num_flush_requests = 1;
ti->num_discard_requests = 1;
+ ti->num_write_same_requests = 1;
ti->private = lc;
return 0;
@@ -155,7 +156,7 @@
static struct target_type linear_target = {
.name = "linear",
- .version = {1, 1, 0},
+ .version = {1, 2, 0},
.module = THIS_MODULE,
.ctr = linear_ctr,
.dtr = linear_dtr,