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Merge pull request #600 from tonistiigi/prune-fixes 

fixes for cache prune
docker-18.09
Tõnis Tiigi 2018-08-31 13:29:10 -07:00 committed by GitHub
parent 05a468d460 acab0f6873
commit 2f858a07c7
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 5 deletions
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13
cache/manager.go vendored
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@ -360,10 +360,10 @@ func (cm *cacheManager) prune(ctx context.Context, ch chan client.UsageInfo, opt
gcMode := opt.keepBytes != 0
cutOff := time.Now().Add(-opt.keepDuration)
locked := map[*cacheRecord]struct{}{}
locked := map[*sync.Mutex]struct{}{}
for _, cr := range cm.records {
if _, ok := locked[cr]; ok {
if _, ok := locked[cr.mu]; ok {
continue
}
cr.mu.Lock()
@ -431,7 +431,7 @@ func (cm *cacheManager) prune(ctx context.Context, ch chan client.UsageInfo, opt
return err
}
} else {
locked[cr] = struct{}{}
locked[cr.mu] = struct{}{}
continue // leave the record locked
}
}
@ -454,7 +454,6 @@ func (cm *cacheManager) prune(ctx context.Context, ch chan client.UsageInfo, opt
return err
}
toDelete = toDelete[:1]
opt.totalSize -= getSize(toDelete[0].md)
}
cm.mu.Unlock()
@ -483,7 +482,9 @@ func (cm *cacheManager) prune(ctx context.Context, ch chan client.UsageInfo, opt
if cr.parent != nil {
c.Parent = cr.parent.ID()
}
if c.Size == sizeUnknown && cr.equalImmutable != nil {
c.Size = getSize(cr.equalImmutable.md) // benefit from DiskUsage calc
}
if c.Size == sizeUnknown {
cr.mu.Unlock() // all the non-prune modifications already protected by cr.dead
s, err := cr.Size(ctx)
@ -494,6 +495,8 @@ func (cm *cacheManager) prune(ctx context.Context, ch chan client.UsageInfo, opt
cr.mu.Lock()
}
opt.totalSize -= c.Size
if cr.equalImmutable != nil {
if err1 := cr.equalImmutable.remove(ctx, false); err == nil {
err = err1