// WalkDirOptions provides options for WalkDir operations.
type WalkDirOptions struct {
	// Bucket to scanner
	Bucket string

	// Directory inside the bucket.
	BaseDir string

	// Do a full recursive scan.
	Recursive bool

	// ReportNotFound will return errFileNotFound if all disks reports the BaseDir cannot be found.
	ReportNotFound bool

	// FilterPrefix will only return results with given prefix within folder.

type Config map[string]map[string]KVS

// DelFrom - deletes all keys in the input reader.
func (c Config) DelFrom(r io.Reader) error {
	scanner := bufio.NewScanner(r)
	for scanner.Scan() {
		// Skip any empty lines, or comment like characters
		text := scanner.Text()
		if text == "" || strings.HasPrefix(text, KvComment) {
			continue
		}
		if err := c.DelKVS(text); err != nil {
			return err

	// This will be used to persist the list.
	ID string

	// Bucket of the listing.
	Bucket string

	// Directory inside the bucket.
	// When unset listPath will set this based on Prefix
	BaseDir string

	// Scan/return only content with prefix.
	Prefix string

	// FilterPrefix will return only results with this prefix when scanning.
	// Should never contain a slash.
	// Prefix should still be set.
	FilterPrefix string

|:-------------------------------------------|:------------------------------------------------------------|
| `minio_node_scanner_bucket_scans_finished` | Total number of bucket scans finished since server start.   |
| `minio_node_scanner_bucket_scans_started`  | Total number of bucket scans started since server start.    |
| `minio_node_scanner_directories_scanned`   | Total number of directories scanned since server start.     |

	// name is the full name of the object including prefixes
	name string
	// Metadata. If none is present it is not an object but only a prefix.
	// Entries without metadata will only be present in non-recursive scans.
	metadata []byte

	// cached contains the metadata if decoded.
	cached *xlMetaV2

	// Indicates the entry can be reused and only one reference to metadata is expected.
	reusable bool
}

	healedItemsMap map[madmin.HealItemType]int64

	// Number of total items where healing failed against endpoint and drive state
	healFailedItemsMap map[string]int64

	// The time of the last scan/heal activity
	lastHealActivity time.Time

	// Holds the request-info for logging
	ctx context.Context

	// used to lock this structure as it is concurrently accessed
	mutex sync.RWMutex
}

func healObject(bucket, object, versionID string, scan madmin.HealScanMode) error {
	// Get background heal sequence to send elements to heal
	bgSeq, ok := globalBackgroundHealState.getHealSequenceByToken(bgHealingUUID)
	if ok {
		return bgSeq.healObject(bucket, object, versionID, scan)
	}
	return nil

								Quorum:    0,
							})
							if !ok || err != nil {
								t.Fatal("failed:", err, ok)
							}
						}
					}
					start := time.Now()
					l.expireOldLocks(time.Hour)
					t.Logf("Scan Took: %v. Left: %d/%d", time.Since(start).Round(time.Millisecond), len(l.lockUID), len(l.lockMap))
					if len(l.lockMap) != locks {
						t.Fatalf("objects deleted, want %d != got %d", locks, len(l.lockMap))
					}

	if !ok {
		// There has been no store yet. This should never happen!
		iamLogIf(GlobalContext, errors.New("WARNING: no cached IAM listing found"))
		return nil
	}

	// Scan STS users on disk and purge expired ones. We do not need to hold a
	// lock with store.lock() here.
	stsAccountsFromStore := map[string]UserIdentity{}
	stsAccPoliciesFromStore := xsync.NewMapOf[string, MappedPolicy]()

	if i.debug {
		if versionID != "" {
			console.Debugf(applyActionsLogPrefix+" lifecycle: %q (version-id=%s), Initial scan: %v\n", i.objectPath(), versionID, lcEvt.Action)
		} else {
			console.Debugf(applyActionsLogPrefix+" lifecycle: %q Initial scan: %v\n", i.objectPath(), lcEvt.Action)
		}
	}

	switch lcEvt.Action {