Support the copy operation for the stripe target.
In stripe_merge, we verify that the underlying device supports copy. If it
doesn't, we can fail fast without any bio being contructed.
Signed-off-by: Mikulas Patocka <mpato...@redhat.com>
---
drivers/md/dm-stripe.c | 1 +
1 file changed, 1 insertion(+)
Index: linux-4.3-rc1/drivers/md/dm-stripe.c
===================================================================
--- linux-4.3-rc1.orig/drivers/md/dm-stripe.c 2015-09-14 16:06:36.000000000
+0200
+++ linux-4.3-rc1/drivers/md/dm-stripe.c 2015-09-14 16:23:01.000000000
+0200
@@ -169,6 +169,7 @@ static int stripe_ctr(struct dm_target *
ti->num_flush_bios = stripes;
ti->num_discard_bios = stripes;
ti->num_write_same_bios = stripes;
+ ti->copy_supported = 1;
sc->chunk_size = chunk_size;
if (chunk_size & (chunk_size - 1))
--
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