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| author | Mike Snitzer <snitzer@redhat.com> | 2012-12-21 20:23:37 +0000 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2012-12-21 20:23:37 +0000 |
| commit | 4f0b70b0479101522b8645ddc1f5ee7137821db3 (patch) | |
| tree | b149c9faa420893ec5d35a227d9de5bd8cfde461 | |
| parent | 23508a96cd2e857d57044a2ed7d305f2d9daf441 (diff) | |
| download | linux-4f0b70b0479101522b8645ddc1f5ee7137821db3.tar.gz linux-4f0b70b0479101522b8645ddc1f5ee7137821db3.tar.bz2 linux-4f0b70b0479101522b8645ddc1f5ee7137821db3.zip | |
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>
| -rw-r--r-- | drivers/md/dm-linear.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c index 1bf19a93eef0..82222a8cf750 100644 --- a/drivers/md/dm-linear.c +++ b/drivers/md/dm-linear.c @@ -55,6 +55,7 @@ static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv) 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 int linear_iterate_devices(struct dm_target *ti, 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, |