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Add validation in cache for offline drives (#10146)

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closes #10144
This commit is contained in:
poornas 2020-07-28 10:06:52 -07:00 committed by GitHub
parent 0d0f09ee66
commit 1b6ba0d062
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 5 deletions
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14
cmd/disk-cache.go
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@ -684,11 +684,13 @@ func newServerCacheObjects(ctx context.Context, config cache.Config) (CacheObjec
c.cacheStats.GetDiskStats = func() []CacheDiskStats { c.cacheStats.GetDiskStats = func() []CacheDiskStats {
cacheDiskStats := make([]CacheDiskStats, len(c.cache)) cacheDiskStats := make([]CacheDiskStats, len(c.cache))
for i := range c.cache { for i := range c.cache {
cacheDiskStats[i] = CacheDiskStats{ dcache := c.cache[i]
Dir: c.cache[i].stats.Dir, cacheDiskStats[i] = CacheDiskStats{}
if dcache != nil {
cacheDiskStats[i].Dir = dcache.stats.Dir
atomic.StoreInt32(&cacheDiskStats[i].UsageState, atomic.LoadInt32(&dcache.stats.UsageState))
atomic.StoreUint64(&cacheDiskStats[i].UsagePercent, atomic.LoadUint64(&dcache.stats.UsagePercent))
} }
atomic.StoreInt32(&cacheDiskStats[i].UsageState, atomic.LoadInt32(&c.cache[i].stats.UsageState))
atomic.StoreUint64(&cacheDiskStats[i].UsagePercent, atomic.LoadUint64(&c.cache[i].stats.UsagePercent))
} }
return cacheDiskStats return cacheDiskStats
} }
@ -712,7 +714,9 @@ func (c *cacheObjects) gc(ctx context.Context) {
continue continue
} }
for _, dcache := range c.cache { for _, dcache := range c.cache {
dcache.triggerGC <- struct{}{} if dcache != nil {
dcache.triggerGC <- struct{}{}
}
} }
} }
} }