dm snapshot: drop unused last_percent

The last_percent field is unused - remove it.
(It dates from when events were triggered as each X% filled up.)

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 4ed9b7aaadbc..b2d9d1ac28ad 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -600,7 +600,6 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 
         s->valid = 1;
         s->active = 0;
-        s->last_percent = 0;
         init_rwsem(&s->lock);
         spin_lock_init(&s->pe_lock);
         s->ti = ti;