New, and making New // too complex to inline itself. // //go:noinline func newOutlined(b *Block, key []byte) (*Block, error) { switch len(key) { case aes128KeySize, aes192KeySize, aes256KeySize: default: return nil, KeySizeError(len(key)) } return newBlock(b, key), nil } func newBlockExpanded(c *blockExpanded, key []byte) { switch len(key) { case aes128KeySize: c.rounds = aes128Rounds case aes192KeySize: c.rounds = aes192Rounds case aes256KeySize: c.rounds = aes256Rounds } expandKeyGeneric(c, key)...

	return l.ctx
}

// Cancel function calls cancel() function
func (l LockContext) Cancel() {
	if l.cancel != nil {
		l.cancel()
	}
}

// newNSLock - return a new name space lock map.
func newNSLock(isDistErasure bool) *nsLockMap {
	nsMutex := nsLockMap{
		isDistErasure: isDistErasure,
	}
	if isDistErasure {
		return &nsMutex
	}
	nsMutex.lockMap = make(map[string]*nsLock)

New, and making New // too complex to inline itself. // //go:noinline func newOutlined(b *Block, key []byte) (*Block, error) { switch len(key) { case aes128KeySize, aes192KeySize, aes256KeySize: default: return nil, KeySizeError(len(key)) } return newBlock(b, key), nil } func newBlockExpanded(c *blockExpanded, key []byte) { switch len(key) { case aes128KeySize: c.rounds = aes128Rounds case aes192KeySize: c.rounds = aes192Rounds case aes256KeySize: c.rounds = aes256Rounds } expandKeyGeneric(c, key)...

			})

			// Reset for the next interval
			timer.Reset(globalAPIConfig.getStaleUploadsCleanupInterval())
		}
	}
}

func (z *erasureServerPools) NewNSLock(bucket string, objects ...string) RWLocker {
	return z.serverPools[0].NewNSLock(bucket, objects...)
}

// GetDisksID will return disks by their ID.
func (z *erasureServerPools) GetDisksID(ids ...string) []StorageAPI {

	// some may be local and some remote.
	getEndpointStrings func() []string

	// Locker mutex map.
	nsMutex *nsLockMap
}

// 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.

				time.Second)
			time.Sleep(duration)
		}
	}()
}

func runCallhome(ctx context.Context, objAPI ObjectLayer) bool {
	// Make sure only 1 callhome is running on the cluster.
	locker := objAPI.NewNSLock(minioMetaBucket, "callhome/runCallhome.lock")
	lkctx, err := locker.GetLock(ctx, callhomeLeaderLockTimeout)
	if err != nil {
		// lock timedout means some other node is the leader,
		// cycle back return 'true'
		return true

	}

	// This call shouldn't be used for anything other than metadata updates or adding self referential versions.
	if !srcInfo.metadataOnly {
		return oi, NotImplemented{}
	}

	if !dstOpts.NoLock {
		lk := er.NewNSLock(dstBucket, dstObject)
		lkctx, err := lk.GetLock(ctx, globalOperationTimeout)
		if err != nil {
			return oi, err
		}
		ctx = lkctx.Context()
		defer lk.Unlock(lkctx)
	}

	}
}

// Test lock race
func TestNSLockRace(t *testing.T) {
	t.Skip("long test skip it")

	ctx := t.Context()

	for i := range 10000 {
		nsLk := newNSLock(false)

		// lk1; ref=1
		if !nsLk.lock(ctx, "volume", "path", "source", "opsID", false, time.Second) {
			t.Fatal("failed to acquire lock")
		}

		// lk2
		lk2ch := make(chan struct{})
		go func() {

	partIDLock := er.NewNSLock(bucket, pathJoin(object, uploadID, strconv.Itoa(partID)))
	plkctx, err := partIDLock.GetLock(ctx, globalOperationTimeout)
	if err != nil {
		return PartInfo{}, err
	}

	ctx = plkctx.Context()
	defer partIDLock.Unlock(plkctx)

	// Read lock for upload id, only held while reading the upload metadata.
	uploadIDRLock := er.NewNSLock(bucket, pathJoin(object, uploadID))

		Pool: set.poolIndex + 1,
		Set:  set.setIndex + 1,
	}

	logger.GetReqInfo(ctx).AppendTags(api, op.String())
}

// NewNSLock - initialize a new namespace RWLocker instance.
func (s *erasureSets) NewNSLock(bucket string, objects ...string) RWLocker {
	return s.sets[0].NewNSLock(bucket, objects...)
}

// SetDriveCount returns the current drives per set.
func (s *erasureSets) SetDriveCount() int {