From fdecee3224d90e51c611198baeb0c38e568ca0e8 Mon Sep 17 00:00:00 2001 From: Joe Thornber Date: Fri, 20 Feb 2015 13:54:14 +0000 Subject: [PATCH] dm cache policy mq: remove unused generation member of struct entry Remove to stop wasting memory. Signed-off-by: Joe Thornber Signed-off-by: Mike Snitzer --- drivers/md/dm-cache-policy-mq.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/md/dm-cache-policy-mq.c b/drivers/md/dm-cache-policy-mq.c index 97b14309df90..6bfb39411fa9 100644 --- a/drivers/md/dm-cache-policy-mq.c +++ b/drivers/md/dm-cache-policy-mq.c @@ -253,7 +253,6 @@ struct entry { */ bool dirty:1; unsigned hit_count; - unsigned generation; }; /* @@ -744,7 +743,6 @@ static int pre_cache_to_cache(struct mq_policy *mq, struct entry *e, 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 @@ static void insert_in_pre_cache(struct mq_policy *mq, e->dirty = false; e->oblock = oblock; e->hit_count = 1; - e->generation = mq->generation; push(mq, e); } @@ -829,7 +826,6 @@ static void insert_in_cache(struct mq_policy *mq, dm_oblock_t oblock, 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 @@ static int mq_load_mapping(struct dm_cache_policy *p, 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;