}

func (er erasureObjects) getObjectFileInfo(ctx context.Context, bucket, object string, opts ObjectOptions, readData bool) (FileInfo, []FileInfo, []StorageAPI, error) {
	rawArr := make([]RawFileInfo, er.setDriveCount)
	metaArr := make([]FileInfo, er.setDriveCount)
	errs := make([]error, er.setDriveCount)
	for i := range errs {
		errs[i] = errDiskOngoingReq
	}

package cmd

import (
	"context"
	"fmt"
	"io"
	"math/rand"
	"sync"
	"time"

	"github.com/minio/pkg/v2/sync/errgroup"
)

func (er erasureObjects) getOnlineDisks() (newDisks []StorageAPI) {
	disks := er.getDisks()
	var wg sync.WaitGroup
	var mu sync.Mutex
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	for _, i := range r.Perm(len(disks)) {
		i := i
		wg.Add(1)
		go func() {

		func() (map[string]uint64, error) {
			m := make(map[string]uint64)
			for _, pool := range z.serverPools {
				for _, er := range pool.sets {
					// Load bucket usage prefixes
					ctx, done := context.WithTimeout(context.Background(), 2*time.Second)
					ok := cache.load(ctx, er, bucket+slashSeparator+dataUsageCacheName) == nil
					done()
					if ok {
						root := cache.find(bucket)
						if root == nil {

	z := objLayer.(*erasureServerPools)
	for _, set := range z.serverPools {
		er := set.sets[0]
		erasureDisks := er.getDisks()

		fileInfos, errs := readAllFileInfo(ctx, erasureDisks, "", bucket, object, "", false, true)
		nfi, err := getLatestFileInfo(ctx, fileInfos, er.defaultParityCount, errs)
		if errors.Is(err, errFileNotFound) {
			continue
		}
		if err != nil {

func (er erasureObjects) checkUploadIDExists(ctx context.Context, bucket, object, uploadID string, write bool) (fi FileInfo, metArr []FileInfo, err error) {
	defer func() {
		if errors.Is(err, errFileNotFound) {
			err = errUploadIDNotFound
		}
	}()

	uploadIDPath := er.getUploadIDDir(bucket, object, uploadID)

	storageDisks := er.getDisks()

// NewNSLock - initialize a new namespace RWLocker instance.
func (er erasureObjects) NewNSLock(bucket string, objects ...string) RWLocker {
	return er.nsMutex.NewNSLock(er.getLockers, bucket, objects...)
}

// Shutdown function for object storage interface.
func (er erasureObjects) Shutdown(ctx context.Context) error {
	// Add any object layer shutdown activities here.
	closeStorageDisks(er.getDisks()...)
	return nil
}

}

// Heals an object by re-writing corrupt/missing erasure blocks.
func (er *erasureObjects) healObject(ctx context.Context, bucket string, object string, versionID string, opts madmin.HealOpts) (result madmin.HealResultItem, err error) {
	dryRun := opts.DryRun
	scanMode := opts.ScanMode

	storageDisks := er.getDisks()
	storageEndpoints := er.getEndpoints()

	defer func() {

				continue
			}
		}

		if serverDebugLog {
			console.Debugf(color.Green("healDrive:")+" healing bucket %s content on %s erasure set\n",
				bucket, humanize.Ordinal(er.setIndex+1))
		}

		disks, _, healing := er.getOnlineDisksWithHealingAndInfo(true)
		if len(disks) == healing {
			// All drives in this erasure set were reformatted for some reasons, abort healing and mark it as successful

func (er *erasureObjects) listPath(ctx context.Context, o listPathOptions, results chan<- metaCacheEntry) (err error) {
	defer xioutil.SafeClose(results)
	o.debugf(color.Green("listPath:")+" with options: %#v", o)

	// get prioritized non-healing disks for listing
	disks, infos, _ := er.getOnlineDisksWithHealingAndInfo(true)
	askDisks := getListQuorum(o.AskDisks, er.setDriveCount)
	if askDisks == -1 {

// Reader compares the etag with the computed
// MD5 sum once the r returns io.EOF.
func NewReader(ctx context.Context, r io.Reader, etag ETag, forceMD5 []byte) *Reader {
	if er, ok := r.(*Reader); ok {
		if er.readN == 0 && Equal(etag, er.checksum) {
			return er
		}
	}
	if len(forceMD5) != 0 {
		return &Reader{
			src:      r,
			md5:      NewUUIDHash(forceMD5),
			checksum: etag,
		}
	}
	return &Reader{