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Only enforce quota on success (#10339)

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We should only enforce quotas if no error has been returned.

firstErr is safe to access since all goroutines have exited at this point.

If `firstErr` hasn't been set by something else return the context error if cancelled.
This commit is contained in:
Klaus Post 2020-08-24 10:15:46 -07:00 committed by GitHub
parent 21e8440423
commit bc2ebe0021
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1 changed files with 7 additions and 2 deletions
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9
cmd/erasure-zones.go
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@ -371,8 +371,10 @@ func (z *erasureZones) CrawlAndGetDataUsage(ctx context.Context, bf *bloomFilter
case v := <-updateCloser:
update()
// Enforce quotas when all is done.
for _, b := range allBuckets {
enforceFIFOQuotaBucket(ctx, z, b.Name, allMerged.bucketUsageInfo(b.Name))
if firstErr == nil {
for _, b := range allBuckets {
enforceFIFOQuotaBucket(ctx, z, b.Name, allMerged.bucketUsageInfo(b.Name))
}
}
close(v)
return
@ -388,6 +390,9 @@ func (z *erasureZones) CrawlAndGetDataUsage(ctx context.Context, bf *bloomFilter
case updateCloser <- ch:
<-ch
case <-ctx.Done():
if firstErr == nil {
firstErr = ctx.Err()
}
}
return firstErr
}