s3LogIf(ctx, err)
			return opts, InvalidVersionID{
				Bucket:    bucket,
				Object:    object,
				VersionID: vid,
			}
		}
		if !versioned && !versionSuspended {
			return opts, InvalidArgument{
				Bucket: bucket,
				Object: object,
				Err:    fmt.Errorf("version-id specified %s but versioning is not enabled on %s", opts.VersionID, bucket),
			}
		}
	}
	return ObjectOptions{

		Cache: make(map[string]dataUsageEntry, len(oldCache.Cache)),
	}

	// Put all buckets into channel.
	bucketCh := make(chan BucketInfo, len(buckets))

	// Shuffle buckets to ensure total randomness of buckets, being scanned.
	// Otherwise same set of buckets get scanned across erasure sets always.
	// at any given point in time. This allows different buckets to be scanned
	// in different order per erasure set, this wider spread is needed when

	return r.calculateBucketReplicationStats(bucket, bucketStats)
}

func (r *ReplicationStats) incQ(bucket string, sz int64, isDeleteRepl bool, opType replication.Type) {
	r.qCache.Lock()
	defer r.qCache.Unlock()
	v, ok := r.qCache.bucketStats[bucket]
	if !ok {
		v = newInQueueStats(r.registry, bucket)
	}
	atomic.AddInt64(&v.nowBytes, sz)
	atomic.AddInt64(&v.nowCount, 1)

	c.buckets[bucketID].entries[e.Key] = e
	if c.buckets[bucketID].newestEntry.Before(e.ExpiresAt) {
		c.buckets[bucketID].newestEntry = e.ExpiresAt
	}
}

// removeFromBucket removes the entry from its corresponding bucket. Has to be called with lock!
func (c *LRU[K, V]) removeFromBucket(e *Entry[K, V]) {
	delete(c.buckets[e.ExpireBucket].entries, e.Key)
}

// Cap returns the capacity of the cache

			internalLogOnceIf(GlobalContext, fmt.Errorf("unable to retrieve usage information for bucket: %s, relying on older value cached in-memory: err(%v)", bucket, err), "bucket-usage-cache-"+bucket)
		} else {
			internalLogOnceIf(GlobalContext, errors.New("unable to retrieve usage information for bucket: %s, no reliable usage value available - quota will not be enforced"), "bucket-usage-empty-"+bucket)
		}
	}

	if len(dui.BucketsUsage) > 0 {

func (b *bucketMetacache) findCache(o listPathOptions) metacache {
	if b == nil {
		logger.Info("bucketMetacache.findCache: nil cache for bucket %s", o.Bucket)
		return metacache{}
	}

	if o.Bucket != b.bucket {
		logger.Info("bucketMetacache.findCache: bucket %s does not match this bucket %s", o.Bucket, b.bucket)
		debug.PrintStack()
		return metacache{}
	}

	// Grab a write lock, since we create one if we cannot find one.
	b.mu.Lock()

}

// Get returns stored bucket policy
func (sys *BucketVersioningSys) Get(bucket string) (*versioning.Versioning, error) {
	if bucket == minioMetaBucket || strings.HasPrefix(bucket, minioMetaBucket) {
		return &versioning.Versioning{XMLNS: "http://s3.amazonaws.com/doc/2006-03-01/"}, nil
	}

	vcfg, _, err := globalBucketMetadataSys.GetVersioningConfig(bucket)
	return vcfg, err
}

	"errors"
	"io"

	sse "github.com/minio/minio/internal/bucket/encryption"
)

// BucketSSEConfigSys - in-memory cache of bucket encryption config
type BucketSSEConfigSys struct{}

// NewBucketSSEConfigSys - Creates an empty in-memory bucket encryption configuration cache
func NewBucketSSEConfigSys() *BucketSSEConfigSys {
	return &BucketSSEConfigSys{}
}

// Get - gets bucket encryption config for the given bucket.

				return info, errSRBackendIssue(err)
			}
			buckets = append(buckets, bi)
		} else {
			buckets, err = objAPI.ListBuckets(ctx, BucketOptions{Deleted: opts.ShowDeleted})
			if err != nil {
				return info, errSRBackendIssue(err)
			}
		}
		info.Buckets = make(map[string]madmin.SRBucketInfo, len(buckets))
		for _, bucketInfo := range buckets {
			bucket := bucketInfo.Name

	"github.com/minio/pkg/v3/policy"
)

// PolicySys - policy subsystem.
type PolicySys struct{}

// Get returns stored bucket policy
func (sys *PolicySys) Get(bucket string) (*policy.BucketPolicy, error) {
	policy, _, err := globalBucketMetadataSys.GetPolicyConfig(bucket)
	return policy, err
}

// IsAllowed - checks given policy args is allowed to continue the Rest API.