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57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
#ifndef _BCACHE_STATS_TYPES_H_
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#define _BCACHE_STATS_TYPES_H_
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struct cache_stat_collector {
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union {
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struct {
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atomic_t cache_hits;
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atomic_t cache_misses;
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atomic_t cache_bypass_hits;
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atomic_t cache_bypass_misses;
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};
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/* cache_hit_array[!bypass][!hit]: */
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atomic_t cache_hit_array[2][2];
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};
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atomic_t cache_readaheads;
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atomic_t cache_miss_collisions;
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atomic_t sectors_bypassed;
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atomic_t foreground_write_sectors;
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atomic_t gc_write_sectors;
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atomic_t discard_sectors;
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};
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struct cache_stats {
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struct kobject kobj;
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unsigned long cache_hits;
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unsigned long cache_misses;
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unsigned long cache_bypass_hits;
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unsigned long cache_bypass_misses;
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unsigned long cache_readaheads;
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unsigned long cache_miss_collisions;
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unsigned long sectors_bypassed;
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unsigned long foreground_write_sectors;
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unsigned long gc_write_sectors;
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unsigned long discard_sectors;
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unsigned rescale;
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};
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struct cache_accounting {
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struct closure cl;
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struct timer_list timer;
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atomic_t closing;
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struct cache_stat_collector collector;
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struct cache_stats total;
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struct cache_stats five_minute;
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struct cache_stats hour;
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struct cache_stats day;
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};
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#endif /* _BCACHE_STATS_TYPES_H_ */
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