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>
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3e45c91e5c
Коммит
fdecee3224
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@ -253,7 +253,6 @@ struct entry {
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*/
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bool dirty:1;
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unsigned hit_count;
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unsigned generation;
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};
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/*
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@ -744,7 +743,6 @@ static int pre_cache_to_cache(struct mq_policy *mq, struct entry *e,
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new_e->oblock = e->oblock;
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new_e->dirty = false;
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new_e->hit_count = e->hit_count;
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new_e->generation = e->generation;
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del(mq, e);
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free_entry(&mq->pre_cache_pool, e);
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@ -796,7 +794,6 @@ static void insert_in_pre_cache(struct mq_policy *mq,
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e->dirty = false;
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e->oblock = oblock;
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e->hit_count = 1;
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e->generation = mq->generation;
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push(mq, e);
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}
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@ -829,7 +826,6 @@ static void insert_in_cache(struct mq_policy *mq, dm_oblock_t oblock,
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e->oblock = oblock;
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e->dirty = false;
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e->hit_count = 1;
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e->generation = mq->generation;
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push(mq, e);
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result->cblock = infer_cblock(&mq->cache_pool, e);
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@ -1026,7 +1022,6 @@ static int mq_load_mapping(struct dm_cache_policy *p,
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e->oblock = oblock;
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e->dirty = false; /* this gets corrected in a minute */
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e->hit_count = hint_valid ? hint : 1;
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e->generation = mq->generation;
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push(mq, e);
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return 0;
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