dm snapshot: store pointer to target instance
Save pointer to dm_target in dm_snapshot structure.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 08047fb..08a8cbd 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -536,7 +536,7 @@
s->last_percent = 0;
init_rwsem(&s->lock);
spin_lock_init(&s->pe_lock);
- s->table = ti->table;
+ s->ti = ti;
/* Allocate hash table for COW data */
if (init_hash_tables(s)) {
@@ -699,7 +699,7 @@
s->valid = 0;
- dm_table_event(s->table);
+ dm_table_event(s->ti->table);
}
static void get_pending_exception(struct dm_snap_pending_exception *pe)
@@ -1060,7 +1060,7 @@
goto next_snapshot;
/* Nothing to do if writing beyond end of snapshot */
- if (bio->bi_sector >= dm_table_get_size(snap->table))
+ if (bio->bi_sector >= dm_table_get_size(snap->ti->table))
goto next_snapshot;
/*