bcache: not use hard coded memset size in bch_cache_accounting_clear()
In stats.c:bch_cache_accounting_clear(), a hard coded number '7' is used in memset(). It is because in struct cache_stats, there are 7 atomic_t type members. This is not good when new members added into struct stats, the hard coded number will only clear part of memory. This patch replaces 'sizeof(unsigned long) * 7' by more generic 'sizeof(struct cache_stats))', to avoid potential error if new member added into struct cache_stats. Signed-off-by: Coly Li <colyli@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -111,7 +111,7 @@ void bch_cache_accounting_clear(struct cache_accounting *acc)
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{
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memset(&acc->total.cache_hits,
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0,
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sizeof(unsigned long) * 7);
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sizeof(struct cache_stats));
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}
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void bch_cache_accounting_destroy(struct cache_accounting *acc)
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