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bcache: use MAX_CACHES_PER_SET instead of magic number 8 in __bch_bucket_alloc_set

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Current cache_set has MAX_CACHES_PER_SET caches most, and the macro
is used for
"
	struct cache *cache_by_alloc[MAX_CACHES_PER_SET];
"
in the define of struct cache_set.

Use MAX_CACHES_PER_SET instead of magic number 8 in
__bch_bucket_alloc_set.

Signed-off-by: Shenghui Wang <shhuiw@foxmail.com>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Shenghui Wang 2018-10-08 20:41:19 +08:00 committed by Jens Axboe
parent 149d0efada
commit 8792099f9a
1 changed files with 1 additions and 1 deletions
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2
drivers/md/bcache/alloc.c
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@ -484,7 +484,7 @@ int __bch_bucket_alloc_set(struct cache_set *c, unsigned int reserve,
int i;
lockdep_assert_held(&c->bucket_lock);
BUG_ON(!n || n > c->caches_loaded || n > 8);
BUG_ON(!n || n > c->caches_loaded || n > MAX_CACHES_PER_SET);
bkey_init(k);