dm flakey: use dm_target_offset and support discards
Use dm_target_offset() and support discards.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index ea79062..70a69b2 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -79,6 +79,7 @@
}
ti->num_flush_requests = 1;
+ ti->num_discard_requests = 1;
ti->private = fc;
return 0;
@@ -99,7 +100,7 @@
{
struct flakey_c *fc = ti->private;
- return fc->start + (bi_sector - ti->begin);
+ return fc->start + dm_target_offset(ti, bi_sector);
}
static void flakey_map_bio(struct dm_target *ti, struct bio *bio)