dm cache policy mq: remove unused generation member of struct entry
Remove to stop wasting memory.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
diff --git a/drivers/md/dm-cache-policy-mq.c b/drivers/md/dm-cache-policy-mq.c
index 97b1430..6bfb394 100644
--- a/drivers/md/dm-cache-policy-mq.c
+++ b/drivers/md/dm-cache-policy-mq.c
@@ -253,7 +253,6 @@
*/
bool dirty:1;
unsigned hit_count;
- unsigned generation;
};
/*
@@ -744,7 +743,6 @@
new_e->oblock = e->oblock;
new_e->dirty = false;
new_e->hit_count = e->hit_count;
- new_e->generation = e->generation;
del(mq, e);
free_entry(&mq->pre_cache_pool, e);
@@ -796,7 +794,6 @@
e->dirty = false;
e->oblock = oblock;
e->hit_count = 1;
- e->generation = mq->generation;
push(mq, e);
}
@@ -829,7 +826,6 @@
e->oblock = oblock;
e->dirty = false;
e->hit_count = 1;
- e->generation = mq->generation;
push(mq, e);
result->cblock = infer_cblock(&mq->cache_pool, e);
@@ -1026,7 +1022,6 @@
e->oblock = oblock;
e->dirty = false; /* this gets corrected in a minute */
e->hit_count = hint_valid ? hint : 1;
- e->generation = mq->generation;
push(mq, e);
return 0;