From: Mikulas Patocka 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 Signed-off-by: Alasdair G Kergon --- drivers/md/dm-snap.c | 1 - drivers/md/dm-snap.h | 3 --- 2 files changed, 4 deletions(-) Index: linux-2.6.27/drivers/md/dm-snap.c =================================================================== --- linux-2.6.27.orig/drivers/md/dm-snap.c 2008-10-21 17:33:37.000000000 +0100 +++ linux-2.6.27/drivers/md/dm-snap.c 2008-10-21 17:33:39.000000000 +0100 @@ -600,7 +600,6 @@ static int snapshot_ctr(struct dm_target s->valid = 1; s->active = 0; - s->last_percent = 0; init_rwsem(&s->lock); spin_lock_init(&s->pe_lock); s->ti = ti; Index: linux-2.6.27/drivers/md/dm-snap.h =================================================================== --- linux-2.6.27.orig/drivers/md/dm-snap.h 2008-07-22 05:15:07.000000000 +0100 +++ linux-2.6.27/drivers/md/dm-snap.h 2008-10-21 17:33:39.000000000 +0100 @@ -158,9 +158,6 @@ struct dm_snapshot { /* Used for display of table */ char type; - /* The last percentage we notified */ - int last_percent; - mempool_t *pending_pool; struct exception_table pending;