Remove the dead pe_lock spinlock.
Signed-off-by: Jan Blunck <jblunck@xxxxxxx>
---
drivers/md/dm-snap.c | 1 -
drivers/md/dm-snap.h | 6 ------
2 files changed, 7 deletions(-)
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -469,7 +469,6 @@ static int snapshot_ctr(struct dm_target
s->active = 0;
s->last_percent = 0;
init_rwsem(&s->lock);
- spin_lock_init(&s->pe_lock);
s->table = ti->table;
/* Allocate hash table for COW data */
--- a/drivers/md/dm-snap.h
+++ b/drivers/md/dm-snap.h
@@ -114,12 +114,6 @@ struct dm_snapshot {
struct exception_table pending;
struct exception_table complete;
- /*
- * pe_lock protects all pending_exception operations and access
- * as well as the snapshot_bios list.
- */
- spinlock_t pe_lock;
-
/* The on disk metadata handler */
struct exception_store store;
--
--
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