// array second dimension represents list of disks used per set.
		Sets [][]string `json:"sets"`
		// Distribution algorithm represents the hashing algorithm
		// to pick the right set index for an object.
		DistributionAlgo string `json:"distributionAlgo"`
	} `json:"xl"`
}

// formatErasureV3 struct is same as formatErasureV2 struct except that formatErasureV3.Erasure.Version is "3" indicating

	if !retentionCfg.LockEnabled {
		if legalHoldRequested || retentionRequested {
			return mode, retainDate, legalHold, ErrInvalidBucketObjectLockConfiguration
		}

		// If this not a WORM enabled bucket, we should return right here.
		return mode, retainDate, legalHold, ErrNone
	}

	opts, err := getOpts(ctx, rq, bucket, object)
	if err != nil {
		return mode, retainDate, legalHold, toAPIErrorCode(ctx, err)
	}

			// should be returned upwards.
			return res.oi, res.zIdx, err
		}
		// When its a delete marker and versionID is empty
		// we should simply return the error right away.
		if res.oi.DeleteMarker && opts.VersionID == "" {
			return res.oi, res.zIdx, err
		}
	}

	object = decodeDirObject(object)
	if opts.VersionID != "" {

	// If format.json is available and request sent the right disk-id, we allow the request
	return true
}

// checkID - check if the disk-id in the request corresponds to the underlying disk.
func (s *storageRESTServer) checkID(wantID string) bool {
	if s.getStorage() == nil {
		return false
	}
	if wantID == "" {
		// Request sent empty disk-id, we allow the request
		// as the peer might be coming up and trying to read format.json

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrParseExpectedRightParenBuiltinFunctionCall: {
		Code:           "ParseExpectedRightParenBuiltinFunctionCall",
		Description:    "Did not find the expected right parenthesis character in the SQL expression.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrParseExpectedTypeName: {
		Code:           "ParseExpectedTypeName",

		return err
	}

	update, err := meta.validate(z.serverPools)
	if err != nil {
		return err
	}

	// if no update is needed return right away.
	if !update {
		z.poolMetaMutex.Lock()
		z.poolMeta = meta
		z.poolMetaMutex.Unlock()
	} else {
		newMeta := newPoolMeta(z, meta)
		if err = newMeta.save(ctx, z.serverPools); err != nil {

		}

		wg.Wait()
		xioutil.SafeClose(done)

		fi, ok := <-mrfCheck
		if !ok {
			return
		}

		if fi.Deleted {
			return
		}

		// if one of the disk is offline, return right here no need
		// to attempt a heal on the object.
		if countErrs(errs, errDiskNotFound) > 0 {
			return
		}

		var missingBlocks int
		for i := range errs {
			if IsErr(errs[i],
				errFileNotFound,

					symmetry = uint64(len(p.Seq))%ss == 0
				} else {
					symmetry = ss%uint64(len(p.Seq)) == 0
				}
			}
		}
		// With no arg patterns, it is expected that user knows
		// the right symmetry, so either ellipses patterns are
		// provided (recommended) or no ellipses patterns.
		if _, ok := newSetCounts[ss]; !ok && (symmetry || argPatterns == nil) {
			newSetCounts[ss] = struct{}{}
		}
	}

func (m *mrfState) healRoutine(z *erasureServerPools) {
	for {
		select {
		case <-GlobalContext.Done():
			return
		case u, ok := <-m.opCh:
			if !ok {
				return
			}

			// We might land at .metacache, .trash, .multipart
			// no need to heal them skip, only when bucket
			// is '.minio.sys'
			if u.bucket == minioMetaBucket {
				// No MRF needed for temporary objects

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

/*
Package builtin provides documentation for Go's predeclared identifiers.
The items documented here are not actually in package builtin
but their descriptions here allow godoc to present documentation
for the language's special identifiers.
*/
package builtin

import "cmp"