Bump github.com/containers/storage from 1.24.5 to 1.25.0

Bumps [github.com/containers/storage](https://github.com/containers/storage) from 1.24.5 to 1.25.0.
- [Release notes](https://github.com/containers/storage/releases)
- [Changelog](https://github.com/containers/storage/blob/master/docs/containers-storage-changes.md)
- [Commits](https://github.com/containers/storage/compare/v1.24.5...v1.25.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

31 files changed, 790 insertions, 90 deletions

diff --git a/vendor/github.com/containers/storage/.cirrus.yml b/vendor/github.com/containers/storage/.cirrus.yml
index cc2dd7952..836bf659a 100644
--- a/vendor/github.com/containers/storage/.cirrus.yml
+++ b/vendor/github.com/containers/storage/.cirrus.yml
@@ -25,7 +25,7 @@ env:
     # GCE project where images live
     IMAGE_PROJECT: "libpod-218412"
     # VM Image built in containers/automation_images
-    _BUILT_IMAGE_SUFFIX: "c6233039174893568"
+    _BUILT_IMAGE_SUFFIX: "c5744859501821952"
     FEDORA_CACHE_IMAGE_NAME: "fedora-${_BUILT_IMAGE_SUFFIX}"
     PRIOR_FEDORA_CACHE_IMAGE_NAME: "prior-fedora-${_BUILT_IMAGE_SUFFIX}"
     UBUNTU_CACHE_IMAGE_NAME: "ubuntu-${_BUILT_IMAGE_SUFFIX}"
diff --git a/vendor/github.com/containers/storage/VERSION b/vendor/github.com/containers/storage/VERSION
index 6521720b4..ad2191947 100644
--- a/vendor/github.com/containers/storage/VERSION
+++ b/vendor/github.com/containers/storage/VERSION
@@ -1 +1 @@
-1.24.5
+1.25.0
diff --git a/vendor/github.com/containers/storage/drivers/aufs/aufs.go b/vendor/github.com/containers/storage/drivers/aufs/aufs.go
index c4ced0488..5310b5ccc 100644
--- a/vendor/github.com/containers/storage/drivers/aufs/aufs.go
+++ b/vendor/github.com/containers/storage/drivers/aufs/aufs.go
@@ -482,6 +482,21 @@ func (a *Driver) Put(id string) error {
 	return err
 }
 
+// ReadWriteDiskUsage returns the disk usage of the writable directory for the ID.
+// For AUFS, it queries the mountpoint for this ID.
+func (a *Driver) ReadWriteDiskUsage(id string) (*directory.DiskUsage, error) {
+	a.locker.Lock(id)
+	defer a.locker.Unlock(id)
+	a.pathCacheLock.Lock()
+	m, exists := a.pathCache[id]
+	if !exists {
+		m = a.getMountpoint(id)
+		a.pathCache[id] = m
+	}
+	a.pathCacheLock.Unlock()
+	return directory.Usage(m)
+}
+
 // isParent returns if the passed in parent is the direct parent of the passed in layer
 func (a *Driver) isParent(id, parent string) bool {
 	parents, _ := getParentIDs(a.rootPath(), id)
diff --git a/vendor/github.com/containers/storage/drivers/btrfs/btrfs.go b/vendor/github.com/containers/storage/drivers/btrfs/btrfs.go
index e71ad69e2..7aba695ff 100644
--- a/vendor/github.com/containers/storage/drivers/btrfs/btrfs.go
+++ b/vendor/github.com/containers/storage/drivers/btrfs/btrfs.go
@@ -27,6 +27,7 @@ import (
 	"unsafe"
 
 	graphdriver "github.com/containers/storage/drivers"
+	"github.com/containers/storage/pkg/directory"
 	"github.com/containers/storage/pkg/idtools"
 	"github.com/containers/storage/pkg/mount"
 	"github.com/containers/storage/pkg/parsers"
@@ -687,6 +688,12 @@ func (d *Driver) Put(id string) error {
 	return nil
 }
 
+// ReadWriteDiskUsage returns the disk usage of the writable directory for the ID.
+// For BTRFS, it queries the subvolumes path for this ID.
+func (d *Driver) ReadWriteDiskUsage(id string) (*directory.DiskUsage, error) {
+	return directory.Usage(d.subvolumesDirID(id))
+}
+
 // Exists checks if the id exists in the filesystem.
 func (d *Driver) Exists(id string) bool {
 	dir := d.subvolumesDirID(id)
diff --git a/vendor/github.com/containers/storage/drivers/devmapper/driver.go b/vendor/github.com/containers/storage/drivers/devmapper/driver.go
index 4149979a5..e0bef1301 100644
--- a/vendor/github.com/containers/storage/drivers/devmapper/driver.go
+++ b/vendor/github.com/containers/storage/drivers/devmapper/driver.go
@@ -11,6 +11,7 @@ import (
 
 	graphdriver "github.com/containers/storage/drivers"
 	"github.com/containers/storage/pkg/devicemapper"
+	"github.com/containers/storage/pkg/directory"
 	"github.com/containers/storage/pkg/idtools"
 	"github.com/containers/storage/pkg/locker"
 	"github.com/containers/storage/pkg/mount"
@@ -251,6 +252,14 @@ func (d *Driver) Put(id string) error {
 	return err
 }
 
+// ReadWriteDiskUsage returns the disk usage of the writable directory for the ID.
+// For devmapper, it queries the mnt path for this ID.
+func (d *Driver) ReadWriteDiskUsage(id string) (*directory.DiskUsage, error) {
+	d.locker.Lock(id)
+	defer d.locker.Unlock(id)
+	return directory.Usage(path.Join(d.home, "mnt", id))
+}
+
 // Exists checks to see if the device exists.
 func (d *Driver) Exists(id string) bool {
 	return d.DeviceSet.HasDevice(id)
diff --git a/vendor/github.com/containers/storage/drivers/driver.go b/vendor/github.com/containers/storage/drivers/driver.go
index 2d6485e80..0a676f6ac 100644
--- a/vendor/github.com/containers/storage/drivers/driver.go
+++ b/vendor/github.com/containers/storage/drivers/driver.go
@@ -12,6 +12,7 @@ import (
 	"github.com/vbatts/tar-split/tar/storage"
 
 	"github.com/containers/storage/pkg/archive"
+	"github.com/containers/storage/pkg/directory"
 	"github.com/containers/storage/pkg/idtools"
 )
 
@@ -105,6 +106,8 @@ type ProtoDriver interface {
 	// Returns a set of key-value pairs which give low level information
 	// about the image/container driver is managing.
 	Metadata(id string) (map[string]string, error)
+	// ReadWriteDiskUsage returns the disk usage of the writable directory for the specified ID.
+	ReadWriteDiskUsage(id string) (*directory.DiskUsage, error)
 	// Cleanup performs necessary tasks to release resources
 	// held by the driver, e.g., unmounting all layered filesystems
 	// known to this driver.
diff --git a/vendor/github.com/containers/storage/drivers/driver_freebsd.go b/vendor/github.com/containers/storage/drivers/driver_freebsd.go
index 53394b738..e1320ee07 100644
--- a/vendor/github.com/containers/storage/drivers/driver_freebsd.go
+++ b/vendor/github.com/containers/storage/drivers/driver_freebsd.go
@@ -1,8 +1,6 @@
 package graphdriver
 
 import (
-	"syscall"
-
 	"golang.org/x/sys/unix"
 )
 
@@ -16,7 +14,7 @@ var (
 // Mounted checks if the given path is mounted as the fs type
 func Mounted(fsType FsMagic, mountPath string) (bool, error) {
 	var buf unix.Statfs_t
-	if err := syscall.Statfs(mountPath, &buf); err != nil {
+	if err := unix.Statfs(mountPath, &buf); err != nil {
 		return false, err
 	}
 	return FsMagic(buf.Type) == fsType, nil
diff --git a/vendor/github.com/containers/storage/drivers/overlay/overlay.go b/vendor/github.com/containers/storage/drivers/overlay/overlay.go
index 6e5a76cf3..864e0af12 100644
--- a/vendor/github.com/containers/storage/drivers/overlay/overlay.go
+++ b/vendor/github.com/containers/storage/drivers/overlay/overlay.go
@@ -521,6 +521,18 @@ func (d *Driver) Metadata(id string) (map[string]string, error) {
 	return metadata, nil
 }
 
+// ReadWriteDiskUsage returns the disk usage of the writable directory for the ID.
+// For Overlay, it attempts to check the XFS quota for size, and falls back to
+// finding the size of the "diff" directory.
+func (d *Driver) ReadWriteDiskUsage(id string) (*directory.DiskUsage, error) {
+	usage := &directory.DiskUsage{}
+	if d.quotaCtl != nil {
+		err := d.quotaCtl.GetDiskUsage(d.dir(id), usage)
+		return usage, err
+	}
+	return directory.Usage(path.Join(d.dir(id), "diff"))
+}
+
 // Cleanup any state created by overlay which should be cleaned when daemon
 // is being shutdown. For now, we just have to unmount the bind mounted
 // we had created.
@@ -612,17 +624,22 @@ func (d *Driver) create(id, parent string, opts *graphdriver.CreateOpts) (retErr
 		}
 	}()
 
-	if opts != nil && len(opts.StorageOpt) > 0 {
-		driver := &Driver{}
-		if err := d.parseStorageOpt(opts.StorageOpt, driver); err != nil {
-			return err
-		}
-
-		if driver.options.quota.Size > 0 {
-			// Set container disk quota limit
-			if err := d.quotaCtl.SetQuota(dir, driver.options.quota); err != nil {
+	if d.quotaCtl != nil {
+		quota := quota.Quota{}
+		if opts != nil && len(opts.StorageOpt) > 0 {
+			driver := &Driver{}
+			if err := d.parseStorageOpt(opts.StorageOpt, driver); err != nil {
 				return err
 			}
+			if driver.options.quota.Size > 0 {
+				quota.Size = driver.options.quota.Size
+			}
+
+		}
+		// Set container disk quota limit
+		// If it is set to 0, we will track the disk usage, but not enforce a limit
+		if err := d.quotaCtl.SetQuota(dir, quota); err != nil {
+			return err
 		}
 	}
 
@@ -1221,6 +1238,7 @@ func (d *Driver) DiffSize(id string, idMappings *idtools.IDMappings, parent stri
 	if d.useNaiveDiff() || !d.isParent(id, parent) {
 		return d.naiveDiff.DiffSize(id, idMappings, parent, parentMappings, mountLabel)
 	}
+
 	return directory.Size(d.getDiffPath(id))
 }
 
diff --git a/vendor/github.com/containers/storage/drivers/quota/projectquota.go b/vendor/github.com/containers/storage/drivers/quota/projectquota.go
index d5aa0f891..d805623b5 100644
--- a/vendor/github.com/containers/storage/drivers/quota/projectquota.go
+++ b/vendor/github.com/containers/storage/drivers/quota/projectquota.go
@@ -56,6 +56,7 @@ import (
 	"path/filepath"
 	"unsafe"
 
+	"github.com/containers/storage/pkg/directory"
 	"github.com/sirupsen/logrus"
 	"golang.org/x/sys/unix"
 )
@@ -196,17 +197,37 @@ func setProjectQuota(backingFsBlockDev string, projectID uint32, quota Quota) er
 
 // GetQuota - get the quota limits of a directory that was configured with SetQuota
 func (q *Control) GetQuota(targetPath string, quota *Quota) error {
+	d, err := q.fsDiskQuotaFromPath(targetPath)
+	if err != nil {
+		return err
+	}
+	quota.Size = uint64(d.d_blk_hardlimit) * 512
+	return nil
+}
+
+// GetDiskUsage - get the current disk usage of a directory that was configured with SetQuota
+func (q *Control) GetDiskUsage(targetPath string, usage *directory.DiskUsage) error {
+	d, err := q.fsDiskQuotaFromPath(targetPath)
+	if err != nil {
+		return err
+	}
+	usage.Size = int64(d.d_bcount) * 512
+	usage.InodeCount = int64(d.d_icount)
+
+	return nil
+}
+
+func (q *Control) fsDiskQuotaFromPath(targetPath string) (C.fs_disk_quota_t, error) {
+	var d C.fs_disk_quota_t
 
 	projectID, ok := q.quotas[targetPath]
 	if !ok {
-		return fmt.Errorf("quota not found for path : %s", targetPath)
+		return d, fmt.Errorf("quota not found for path : %s", targetPath)
 	}
 
 	//
 	// get the quota limit for the container's project id
 	//
-	var d C.fs_disk_quota_t
-
 	var cs = C.CString(q.backingFsBlockDev)
 	defer C.free(unsafe.Pointer(cs))
 
@@ -214,12 +235,11 @@ func (q *Control) GetQuota(targetPath string, quota *Quota) error {
 		uintptr(unsafe.Pointer(cs)), uintptr(C.__u32(projectID)),
 		uintptr(unsafe.Pointer(&d)), 0, 0)
 	if errno != 0 {
-		return fmt.Errorf("Failed to get quota limit for projid %d on %s: %v",
+		return d, fmt.Errorf("Failed to get quota limit for projid %d on %s: %v",
 			projectID, q.backingFsBlockDev, errno.Error())
 	}
-	quota.Size = uint64(d.d_blk_hardlimit) * 512
 
-	return nil
+	return d, nil
 }
 
 // getProjectID - get the project id of path on xfs
diff --git a/vendor/github.com/containers/storage/drivers/vfs/driver.go b/vendor/github.com/containers/storage/drivers/vfs/driver.go
index 679d89112..ec437e14e 100644
--- a/vendor/github.com/containers/storage/drivers/vfs/driver.go
+++ b/vendor/github.com/containers/storage/drivers/vfs/driver.go
@@ -10,6 +10,7 @@ import (
 
 	graphdriver "github.com/containers/storage/drivers"
 	"github.com/containers/storage/pkg/archive"
+	"github.com/containers/storage/pkg/directory"
 	"github.com/containers/storage/pkg/idtools"
 	"github.com/containers/storage/pkg/parsers"
 	"github.com/containers/storage/pkg/system"
@@ -243,6 +244,12 @@ func (d *Driver) Put(id string) error {
 	return nil
 }
 
+// ReadWriteDiskUsage returns the disk usage of the writable directory for the ID.
+// For VFS, it queries the directory for this ID.
+func (d *Driver) ReadWriteDiskUsage(id string) (*directory.DiskUsage, error) {
+	return directory.Usage(d.dir(id))
+}
+
 // Exists checks to see if the directory exists for the given id.
 func (d *Driver) Exists(id string) bool {
 	_, err := os.Stat(d.dir(id))
diff --git a/vendor/github.com/containers/storage/drivers/windows/windows.go b/vendor/github.com/containers/storage/drivers/windows/windows.go
index 1fd84e3b4..c8a340801 100644
--- a/vendor/github.com/containers/storage/drivers/windows/windows.go
+++ b/vendor/github.com/containers/storage/drivers/windows/windows.go
@@ -26,6 +26,7 @@ import (
 	"github.com/Microsoft/hcsshim"
 	"github.com/containers/storage/drivers"
 	"github.com/containers/storage/pkg/archive"
+	"github.com/containers/storage/pkg/directory"
 	"github.com/containers/storage/pkg/idtools"
 	"github.com/containers/storage/pkg/ioutils"
 	"github.com/containers/storage/pkg/longpath"
@@ -436,6 +437,12 @@ func (d *Driver) Get(id string, options graphdriver.MountOpts) (string, error) {
 	return dir, nil
 }
 
+// ReadWriteDiskUsage returns the disk usage of the writable directory for the ID.
+// For VFS, it queries the directory for this ID.
+func (d *Driver) ReadWriteDiskUsage(id string) (*directory.DiskUsage, error) {
+	return directory.Usage(d.dir(id))
+}
+
 // Put adds a new layer to the driver.
 func (d *Driver) Put(id string) error {
 	panicIfUsedByLcow()
diff --git a/vendor/github.com/containers/storage/drivers/zfs/zfs.go b/vendor/github.com/containers/storage/drivers/zfs/zfs.go
index 4e7290efc..185a8b074 100644
--- a/vendor/github.com/containers/storage/drivers/zfs/zfs.go
+++ b/vendor/github.com/containers/storage/drivers/zfs/zfs.go
@@ -13,6 +13,7 @@ import (
 	"time"
 
 	graphdriver "github.com/containers/storage/drivers"
+	"github.com/containers/storage/pkg/directory"
 	"github.com/containers/storage/pkg/idtools"
 	"github.com/containers/storage/pkg/mount"
 	"github.com/containers/storage/pkg/parsers"
@@ -455,6 +456,12 @@ func (d *Driver) Put(id string) error {
 	return nil
 }
 
+// ReadWriteDiskUsage returns the disk usage of the writable directory for the ID.
+// For ZFS, it queries the full mount path for this ID.
+func (d *Driver) ReadWriteDiskUsage(id string) (*directory.DiskUsage, error) {
+	return directory.Usage(d.mountPath(id))
+}
+
 // Exists checks to see if the cache entry exists for the given id.
 func (d *Driver) Exists(id string) bool {
 	d.Lock()
diff --git a/vendor/github.com/containers/storage/go.mod b/vendor/github.com/containers/storage/go.mod
index 8af8ceddb..78f6e71d3 100644
--- a/vendor/github.com/containers/storage/go.mod
+++ b/vendor/github.com/containers/storage/go.mod
@@ -8,9 +8,9 @@ require (
 	github.com/Microsoft/hcsshim v0.8.14
 	github.com/docker/go-units v0.4.0
 	github.com/hashicorp/go-multierror v1.1.0
-	github.com/klauspost/compress v1.11.5
+	github.com/klauspost/compress v1.11.7
 	github.com/klauspost/pgzip v1.2.5
-	github.com/mattn/go-shellwords v1.0.10
+	github.com/mattn/go-shellwords v1.0.11
 	github.com/mistifyio/go-zfs v2.1.1+incompatible
 	github.com/moby/sys/mountinfo v0.4.0
 	github.com/opencontainers/go-digest v1.0.0
@@ -20,7 +20,7 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/pquerna/ffjson v0.0.0-20181028064349-e517b90714f7
 	github.com/sirupsen/logrus v1.7.0
-	github.com/stretchr/testify v1.6.1
+	github.com/stretchr/testify v1.7.0
 	github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2
 	github.com/tchap/go-patricia v2.3.0+incompatible
 	github.com/vbatts/tar-split v0.11.1
diff --git a/vendor/github.com/containers/storage/go.sum b/vendor/github.com/containers/storage/go.sum
index c786686bc..233191548 100644
--- a/vendor/github.com/containers/storage/go.sum
+++ b/vendor/github.com/containers/storage/go.sum
@@ -58,8 +58,8 @@ github.com/hashicorp/golang-lru v0.5.1 h1:0hERBMJE1eitiLkihrMvRVBYAkpHzc/J3QdDN+
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
-github.com/klauspost/compress v1.11.5 h1:xNCE0uE6yvTPRS+0wGNMHPo3NIpwnk6aluQZ6R6kRcc=
-github.com/klauspost/compress v1.11.5/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
+github.com/klauspost/compress v1.11.7 h1:0hzRabrMN4tSTvMfnL3SCv1ZGeAP23ynzodBgaHeMeg=
+github.com/klauspost/compress v1.11.7/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
 github.com/klauspost/pgzip v1.2.5 h1:qnWYvvKqedOF2ulHpMG72XQol4ILEJ8k2wwRl/Km8oE=
 github.com/klauspost/pgzip v1.2.5/go.mod h1:Ch1tH69qFZu15pkjo5kYi6mth2Zzwzt50oCQKQE9RUs=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
@@ -71,8 +71,8 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/mattn/go-shellwords v1.0.10 h1:Y7Xqm8piKOO3v10Thp7Z36h4FYFjt5xB//6XvOrs2Gw=
-github.com/mattn/go-shellwords v1.0.10/go.mod h1:EZzvwXDESEeg03EKmM+RmDnNOPKG4lLtQsUlTZDWQ8Y=
+github.com/mattn/go-shellwords v1.0.11 h1:vCoR9VPpsk/TZFW2JwK5I9S0xdrtUq2bph6/YjEPnaw=
+github.com/mattn/go-shellwords v1.0.11/go.mod h1:EZzvwXDESEeg03EKmM+RmDnNOPKG4lLtQsUlTZDWQ8Y=
 github.com/mistifyio/go-zfs v2.1.1+incompatible h1:gAMO1HM9xBRONLHHYnu5iFsOJUiJdNZo6oqSENd4eW8=
 github.com/mistifyio/go-zfs v2.1.1+incompatible/go.mod h1:8AuVvqP/mXw1px98n46wfvcGfQ4ci2FwoAjKYxuo3Z4=
 github.com/moby/sys/mountinfo v0.1.3 h1:KIrhRO14+AkwKvG/g2yIpNMOUVZ02xNhOw8KY1WsLOI=
@@ -118,8 +118,8 @@ github.com/stretchr/objx v0.1.1 h1:2vfRuCMp5sSVIDSqO8oNnWJq7mPa6KVP3iPIwFBuy8A=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
-github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2 h1:b6uOv7YOFK0TYG7HtkIgExQo+2RdLuwRft63jn2HWj8=
 github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
 github.com/tchap/go-patricia v2.3.0+incompatible h1:GkY4dP3cEfEASBPPkWd+AmjYxhmDkqO9/zg7R0lSQRs=
diff --git a/vendor/github.com/containers/storage/layers.go b/vendor/github.com/containers/storage/layers.go
index 72f00b8d6..ce059318d 100644
--- a/vendor/github.com/containers/storage/layers.go
+++ b/vendor/github.com/containers/storage/layers.go
@@ -117,6 +117,11 @@ type Layer struct {
 
 	// ReadOnly is true if this layer resides in a read-only layer store.
 	ReadOnly bool `json:"-"`
+
+	// BigDataNames is a list of names of data items that we keep for the
+	// convenience of the caller.  They can be large, and are only in
+	// memory when being read from or written to disk.
+	BigDataNames []string `json:"big-data-names,omitempty"`
 }
 
 type layerMountPoint struct {
@@ -137,6 +142,7 @@ type DiffOptions struct {
 type ROLayerStore interface {
 	ROFileBasedStore
 	ROMetadataStore
+	ROLayerBigDataStore
 
 	// Exists checks if a layer with the specified name or ID is known.
 	Exists(id string) bool
@@ -194,6 +200,7 @@ type LayerStore interface {
 	RWFileBasedStore
 	RWMetadataStore
 	FlaggableStore
+	RWLayerBigDataStore
 
 	// Create creates a new layer, optionally giving it a specified ID rather than
 	// a randomly-generated one, either inheriting data from another specified
@@ -278,6 +285,7 @@ func copyLayer(l *Layer) *Layer {
 		UncompressedSize:   l.UncompressedSize,
 		CompressionType:    l.CompressionType,
 		ReadOnly:           l.ReadOnly,
+		BigDataNames:       copyStringSlice(l.BigDataNames),
 		Flags:              copyStringInterfaceMap(l.Flags),
 		UIDMap:             copyIDMap(l.UIDMap),
 		GIDMap:             copyIDMap(l.GIDMap),
@@ -694,14 +702,15 @@ func (r *layerStore) Put(id string, parentLayer *Layer, names []string, mountLab
 	}
 	if err == nil {
 		layer = &Layer{
-			ID:         id,
-			Parent:     parent,
-			Names:      names,
-			MountLabel: mountLabel,
-			Created:    time.Now().UTC(),
-			Flags:      make(map[string]interface{}),
-			UIDMap:     copyIDMap(moreOptions.UIDMap),
-			GIDMap:     copyIDMap(moreOptions.GIDMap),
+			ID:           id,
+			Parent:       parent,
+			Names:        names,
+			MountLabel:   mountLabel,
+			Created:      time.Now().UTC(),
+			Flags:        make(map[string]interface{}),
+			UIDMap:       copyIDMap(moreOptions.UIDMap),
+			GIDMap:       copyIDMap(moreOptions.GIDMap),
+			BigDataNames: []string{},
 		}
 		r.layers = append(r.layers, layer)
 		r.idindex.Add(id)
@@ -970,6 +979,80 @@ func (r *layerStore) SetNames(id string, names []string) error {
 	return ErrLayerUnknown
 }
 
+func (r *layerStore) datadir(id string) string {
+	return filepath.Join(r.layerdir, id)
+}
+
+func (r *layerStore) datapath(id, key string) string {
+	return filepath.Join(r.datadir(id), makeBigDataBaseName(key))
+}
+
+func (r *layerStore) BigData(id, key string) (io.ReadCloser, error) {
+	if key == "" {
+		return nil, errors.Wrapf(ErrInvalidBigDataName, "can't retrieve layer big data value for empty name")
+	}
+	layer, ok := r.lookup(id)
+	if !ok {
+		return nil, errors.Wrapf(ErrLayerUnknown, "error locating layer with ID %q", id)
+	}
+	return os.Open(r.datapath(layer.ID, key))
+}
+
+func (r *layerStore) SetBigData(id, key string, data io.Reader) error {
+	if key == "" {
+		return errors.Wrapf(ErrInvalidBigDataName, "can't set empty name for layer big data item")
+	}
+	if !r.IsReadWrite() {
+		return errors.Wrapf(ErrStoreIsReadOnly, "not allowed to save data items associated with layers at %q", r.layerspath())
+	}
+	layer, ok := r.lookup(id)
+	if !ok {
+		return errors.Wrapf(ErrLayerUnknown, "error locating layer with ID %q to write bigdata", id)
+	}
+	err := os.MkdirAll(r.datadir(layer.ID), 0700)
+	if err != nil {
+		return err
+	}
+
+	// NewAtomicFileWriter doesn't overwrite/truncate the existing inode.
+	// BigData() relies on this behaviour when opening the file for read
+	// so that it is either accessing the old data or the new one.
+	writer, err := ioutils.NewAtomicFileWriter(r.datapath(layer.ID, key), 0600)
+	if err != nil {
+		return errors.Wrapf(err, "error opening bigdata file")
+	}
+
+	if _, err := io.Copy(writer, data); err != nil {
+		writer.Close()
+		return errors.Wrapf(err, "error copying bigdata for the layer")
+
+	}
+	if err := writer.Close(); err != nil {
+		return errors.Wrapf(err, "error closing bigdata file for the layer")
+	}
+
+	addName := true
+	for _, name := range layer.BigDataNames {
+		if name == key {
+			addName = false
+			break
+		}
+	}
+	if addName {
+		layer.BigDataNames = append(layer.BigDataNames, key)
+		return r.Save()
+	}
+	return nil
+}
+
+func (r *layerStore) BigDataNames(id string) ([]string, error) {
+	layer, ok := r.lookup(id)
+	if !ok {
+		return nil, errors.Wrapf(ErrImageUnknown, "error locating layer with ID %q to retrieve bigdata names", id)
+	}
+	return copyStringSlice(layer.BigDataNames), nil
+}
+
 func (r *layerStore) Metadata(id string) (string, error) {
 	if layer, ok := r.lookup(id); ok {
 		return layer.Metadata, nil
@@ -1004,6 +1087,7 @@ func (r *layerStore) deleteInternal(id string) error {
 	err := r.driver.Remove(id)
 	if err == nil {
 		os.Remove(r.tspath(id))
+		os.RemoveAll(r.datadir(id))
 		delete(r.byid, id)
 		for _, name := range layer.Names {
 			delete(r.byname, name)
diff --git a/vendor/github.com/containers/storage/layers_ffjson.go b/vendor/github.com/containers/storage/layers_ffjson.go
index 3a1095226..f61e68a21 100644
--- a/vendor/github.com/containers/storage/layers_ffjson.go
+++ b/vendor/github.com/containers/storage/layers_ffjson.go
@@ -396,6 +396,22 @@ func (j *Layer) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
 		}
 		buf.WriteByte(',')
 	}
+	if len(j.BigDataNames) != 0 {
+		buf.WriteString(`"big-data-names":`)
+		if j.BigDataNames != nil {
+			buf.WriteString(`[`)
+			for i, v := range j.BigDataNames {
+				if i != 0 {
+					buf.WriteString(`,`)
+				}
+				fflib.WriteJsonString(buf, string(v))
+			}
+			buf.WriteString(`]`)
+		} else {
+			buf.WriteString(`null`)
+		}
+		buf.WriteByte(',')
+	}
 	buf.Rewind(1)
 	buf.WriteByte('}')
 	return nil
@@ -436,6 +452,8 @@ const (
 	ffjtLayerUIDMap
 
 	ffjtLayerGIDMap
+
+	ffjtLayerBigDataNames
 )
 
 var ffjKeyLayerID = []byte("id")
@@ -470,6 +488,8 @@ var ffjKeyLayerUIDMap = []byte("uidmap")
 
 var ffjKeyLayerGIDMap = []byte("gidmap")
 
+var ffjKeyLayerBigDataNames = []byte("big-data-names")
+
 // UnmarshalJSON umarshall json - template of ffjson
 func (j *Layer) UnmarshalJSON(input []byte) error {
 	fs := fflib.NewFFLexer(input)
@@ -531,6 +551,14 @@ mainparse:
 			} else {
 				switch kn[0] {
 
+				case 'b':
+
+					if bytes.Equal(ffjKeyLayerBigDataNames, kn) {
+						currentKey = ffjtLayerBigDataNames
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
 				case 'c':
 
 					if bytes.Equal(ffjKeyLayerCreated, kn) {
@@ -640,6 +668,12 @@ mainparse:
 
 				}
 
+				if fflib.EqualFoldRight(ffjKeyLayerBigDataNames, kn) {
+					currentKey = ffjtLayerBigDataNames
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
 				if fflib.SimpleLetterEqualFold(ffjKeyLayerGIDMap, kn) {
 					currentKey = ffjtLayerGIDMap
 					state = fflib.FFParse_want_colon
@@ -801,6 +835,9 @@ mainparse:
 				case ffjtLayerGIDMap:
 					goto handle_GIDMap
 
+				case ffjtLayerBigDataNames:
+					goto handle_BigDataNames
+
 				case ffjtLayernosuchkey:
 					err = fs.SkipField(tok)
 					if err != nil {
@@ -1551,6 +1588,80 @@ handle_GIDMap:
 	state = fflib.FFParse_after_value
 	goto mainparse
 
+handle_BigDataNames:
+
+	/* handler: j.BigDataNames type=[]string kind=slice quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_left_brace && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for ", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+			j.BigDataNames = nil
+		} else {
+
+			j.BigDataNames = []string{}
+
+			wantVal := true
+
+			for {
+
+				var tmpJBigDataNames string
+
+				tok = fs.Scan()
+				if tok == fflib.FFTok_error {
+					goto tokerror
+				}
+				if tok == fflib.FFTok_right_brace {
+					break
+				}
+
+				if tok == fflib.FFTok_comma {
+					if wantVal == true {
+						// TODO(pquerna): this isn't an ideal error message, this handles
+						// things like [,,,] as an array value.
+						return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
+					}
+					continue
+				} else {
+					wantVal = true
+				}
+
+				/* handler: tmpJBigDataNames type=string kind=string quoted=false*/
+
+				{
+
+					{
+						if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
+							return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
+						}
+					}
+
+					if tok == fflib.FFTok_null {
+
+					} else {
+
+						outBuf := fs.Output.Bytes()
+
+						tmpJBigDataNames = string(string(outBuf))
+
+					}
+				}
+
+				j.BigDataNames = append(j.BigDataNames, tmpJBigDataNames)
+
+				wantVal = false
+			}
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
 wantedvalue:
 	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
 wrongtokenerror:
diff --git a/vendor/github.com/containers/storage/pkg/archive/archive_freebsd.go b/vendor/github.com/containers/storage/pkg/archive/archive_freebsd.go
new file mode 100644
index 000000000..1953b4051
--- /dev/null
+++ b/vendor/github.com/containers/storage/pkg/archive/archive_freebsd.go
@@ -0,0 +1,125 @@
+// +build freebsd
+
+package archive
+
+import (
+	"archive/tar"
+	"errors"
+	"os"
+	"path/filepath"
+	"syscall"
+
+	"github.com/containers/storage/pkg/idtools"
+	"github.com/containers/storage/pkg/system"
+	rsystem "github.com/opencontainers/runc/libcontainer/system"
+	"golang.org/x/sys/unix"
+)
+
+// fixVolumePathPrefix does platform specific processing to ensure that if
+// the path being passed in is not in a volume path format, convert it to one.
+func fixVolumePathPrefix(srcPath string) string {
+	return srcPath
+}
+
+// getWalkRoot calculates the root path when performing a TarWithOptions.
+// We use a separate function as this is platform specific. On Linux, we
+// can't use filepath.Join(srcPath,include) because this will clean away
+// a trailing "." or "/" which may be important.
+func getWalkRoot(srcPath string, include string) string {
+	return srcPath + string(filepath.Separator) + include
+}
+
+// CanonicalTarNameForPath returns platform-specific filepath
+// to canonical posix-style path for tar archival. p is relative
+// path.
+func CanonicalTarNameForPath(p string) (string, error) {
+	return p, nil // already unix-style
+}
+
+// chmodTarEntry is used to adjust the file permissions used in tar header based
+// on the platform the archival is done.
+func chmodTarEntry(perm os.FileMode) os.FileMode {
+	return perm // noop for unix as golang APIs provide perm bits correctly
+}
+
+func setHeaderForSpecialDevice(hdr *tar.Header, name string, stat interface{}) (err error) {
+	s, ok := stat.(*syscall.Stat_t)
+
+	if ok {
+		// Currently go does not fill in the major/minors
+		if s.Mode&unix.S_IFBLK != 0 ||
+			s.Mode&unix.S_IFCHR != 0 {
+			hdr.Devmajor = int64(major(uint64(s.Rdev))) // nolint: unconvert
+			hdr.Devminor = int64(minor(uint64(s.Rdev))) // nolint: unconvert
+		}
+	}
+
+	return
+}
+
+func getInodeFromStat(stat interface{}) (inode uint64, err error) {
+	s, ok := stat.(*syscall.Stat_t)
+
+	if ok {
+		inode = s.Ino
+	}
+
+	return
+}
+
+func getFileUIDGID(stat interface{}) (idtools.IDPair, error) {
+	s, ok := stat.(*syscall.Stat_t)
+
+	if !ok {
+		return idtools.IDPair{}, errors.New("cannot convert stat value to syscall.Stat_t")
+	}
+	return idtools.IDPair{UID: int(s.Uid), GID: int(s.Gid)}, nil
+}
+
+func major(device uint64) uint64 {
+	return (device >> 8) & 0xfff
+}
+
+func minor(device uint64) uint64 {
+	return (device & 0xff) | ((device >> 12) & 0xfff00)
+}
+
+// handleTarTypeBlockCharFifo is an OS-specific helper function used by
+// createTarFile to handle the following types of header: Block; Char; Fifo
+func handleTarTypeBlockCharFifo(hdr *tar.Header, path string) error {
+	if rsystem.RunningInUserNS() {
+		// cannot create a device if running in user namespace
+		return nil
+	}
+
+	mode := uint32(hdr.Mode & 07777)
+	switch hdr.Typeflag {
+	case tar.TypeBlock:
+		mode |= unix.S_IFBLK
+	case tar.TypeChar:
+		mode |= unix.S_IFCHR
+	case tar.TypeFifo:
+		mode |= unix.S_IFIFO
+	}
+
+	return system.Mknod(path, mode, uint64(system.Mkdev(hdr.Devmajor, hdr.Devminor)))
+}
+
+func handleLChmod(hdr *tar.Header, path string, hdrInfo os.FileInfo, forceMask *os.FileMode) error {
+	permissionsMask := hdrInfo.Mode()
+	if forceMask != nil {
+		permissionsMask = *forceMask
+	}
+	if hdr.Typeflag == tar.TypeLink {
+		if fi, err := os.Lstat(hdr.Linkname); err == nil && (fi.Mode()&os.ModeSymlink == 0) {
+			if err := os.Chmod(path, permissionsMask); err != nil {
+				return err
+			}
+		}
+	} else if hdr.Typeflag != tar.TypeSymlink {
+		if err := os.Chmod(path, permissionsMask); err != nil {
+			return err
+		}
+	}
+	return nil
+}
diff --git a/vendor/github.com/containers/storage/pkg/archive/archive_unix.go b/vendor/github.com/containers/storage/pkg/archive/archive_unix.go
index ecb704b64..5438700ab 100644
--- a/vendor/github.com/containers/storage/pkg/archive/archive_unix.go
+++ b/vendor/github.com/containers/storage/pkg/archive/archive_unix.go
@@ -1,4 +1,4 @@
-// +build !windows
+// +build !windows,!freebsd
 
 package archive
 
diff --git a/vendor/github.com/containers/storage/pkg/directory/directory.go b/vendor/github.com/containers/storage/pkg/directory/directory.go
index 1715ef45d..b0ce706e5 100644
--- a/vendor/github.com/containers/storage/pkg/directory/directory.go
+++ b/vendor/github.com/containers/storage/pkg/directory/directory.go
@@ -6,9 +6,15 @@ import (
 	"path/filepath"
 )
 
+// DiskUsage is a structure that describes the disk usage (size and inode count)
+// of a particular directory.
+type DiskUsage struct {
+	Size       int64
+	InodeCount int64
+}
+
 // MoveToSubdir moves all contents of a directory to a subdirectory underneath the original path
 func MoveToSubdir(oldpath, subdir string) error {
-
 	infos, err := ioutil.ReadDir(oldpath)
 	if err != nil {
 		return err
diff --git a/vendor/github.com/containers/storage/pkg/directory/directory_unix.go b/vendor/github.com/containers/storage/pkg/directory/directory_unix.go
index 05522d68b..245a70c00 100644
--- a/vendor/github.com/containers/storage/pkg/directory/directory_unix.go
+++ b/vendor/github.com/containers/storage/pkg/directory/directory_unix.go
@@ -10,37 +10,50 @@ import (
 
 // Size walks a directory tree and returns its total size in bytes.
 func Size(dir string) (size int64, err error) {
+	usage, err := Usage(dir)
+	if err != nil {
+		return 0, err
+	}
+	return usage.Size, nil
+}
+
+// Usage walks a directory tree and returns its total size in bytes and the number of inodes.
+func Usage(dir string) (usage *DiskUsage, err error) {
+	usage = &DiskUsage{}
 	data := make(map[uint64]struct{})
 	err = filepath.Walk(dir, func(d string, fileInfo os.FileInfo, err error) error {
 		if err != nil {
-			// if dir does not exist, Size() returns the error.
-			// if dir/x disappeared while walking, Size() ignores dir/x.
+			// if dir does not exist, Usage() returns the error.
+			// if dir/x disappeared while walking, Usage() ignores dir/x.
 			if os.IsNotExist(err) && d != dir {
 				return nil
 			}
 			return err
 		}
 
-		// Ignore directory sizes
 		if fileInfo == nil {
 			return nil
 		}
 
-		s := fileInfo.Size()
-		if fileInfo.IsDir() || s == 0 {
-			return nil
-		}
-
 		// Check inode to handle hard links correctly
 		inode := fileInfo.Sys().(*syscall.Stat_t).Ino
 		// inode is not a uint64 on all platforms. Cast it to avoid issues.
 		if _, exists := data[uint64(inode)]; exists {
 			return nil
 		}
+
 		// inode is not a uint64 on all platforms. Cast it to avoid issues.
 		data[uint64(inode)] = struct{}{}
 
-		size += s
+		// Count the unique inode
+		usage.InodeCount++
+
+		// Ignore directory sizes
+		if fileInfo.IsDir() {
+			return nil
+		}
+
+		usage.Size += fileInfo.Size()
 
 		return nil
 	})
diff --git a/vendor/github.com/containers/storage/pkg/directory/directory_windows.go b/vendor/github.com/containers/storage/pkg/directory/directory_windows.go
index 6fb0917c4..4ff98ddf4 100644
--- a/vendor/github.com/containers/storage/pkg/directory/directory_windows.go
+++ b/vendor/github.com/containers/storage/pkg/directory/directory_windows.go
@@ -7,8 +7,18 @@ import (
 	"path/filepath"
 )
 
-// Size walks a directory tree and returns its total size in bytes.
+// Size walks a directory tree and returns its total size in bytes
 func Size(dir string) (size int64, err error) {
+	usage, err := Usage(dir)
+	if err != nil {
+		return 0, nil
+	}
+	return usage.Size, nil
+}
+
+// Usage walks a directory tree and returns its total size in bytes and the number of inodes.
+func Usage(dir string) (usage *DiskUsage, err error) {
+	usage = &DiskUsage{}
 	err = filepath.Walk(dir, func(d string, fileInfo os.FileInfo, err error) error {
 		if err != nil {
 			// if dir does not exist, Size() returns the error.
@@ -29,7 +39,8 @@ func Size(dir string) (size int64, err error) {
 			return nil
 		}
 
-		size += s
+		usage.Size += s
+		usage.InodeCount++
 
 		return nil
 	})
diff --git a/vendor/github.com/containers/storage/pkg/homedir/homedir_others.go b/vendor/github.com/containers/storage/pkg/homedir/homedir_others.go
index 4f778c858..607c5feb5 100644
--- a/vendor/github.com/containers/storage/pkg/homedir/homedir_others.go
+++ b/vendor/github.com/containers/storage/pkg/homedir/homedir_others.go
@@ -1,4 +1,4 @@
-// +build !linux,!darwin
+// +build !linux,!darwin,!freebsd
 
 package homedir
 
diff --git a/vendor/github.com/containers/storage/pkg/mount/mounter_unsupported.go b/vendor/github.com/containers/storage/pkg/mount/mounter_unsupported.go
index 42d1d422c..9d20cfbf8 100644
--- a/vendor/github.com/containers/storage/pkg/mount/mounter_unsupported.go
+++ b/vendor/github.com/containers/storage/pkg/mount/mounter_unsupported.go
@@ -1,4 +1,4 @@
-// +build !linux
+// +build !linux,!freebsd
 
 package mount
 
diff --git a/vendor/github.com/containers/storage/pkg/system/mknod.go b/vendor/github.com/containers/storage/pkg/system/mknod.go
index af79a6538..c276ce8e8 100644
--- a/vendor/github.com/containers/storage/pkg/system/mknod.go
+++ b/vendor/github.com/containers/storage/pkg/system/mknod.go
@@ -1,4 +1,4 @@
-// +build !windows
+// +build !windows,!freebsd
 
 package system
 
diff --git a/vendor/github.com/containers/storage/pkg/system/mknod_freebsd.go b/vendor/github.com/containers/storage/pkg/system/mknod_freebsd.go
new file mode 100644
index 000000000..d09005589
--- /dev/null
+++ b/vendor/github.com/containers/storage/pkg/system/mknod_freebsd.go
@@ -0,0 +1,22 @@
+// +build freebsd
+
+package system
+
+import (
+	"golang.org/x/sys/unix"
+)
+
+// Mknod creates a filesystem node (file, device special file or named pipe) named path
+// with attributes specified by mode and dev.
+func Mknod(path string, mode uint32, dev uint64) error {
+	return unix.Mknod(path, mode, dev)
+}
+
+// Mkdev is used to build the value of linux devices (in /dev/) which specifies major
+// and minor number of the newly created device special file.
+// Linux device nodes are a bit weird due to backwards compat with 16 bit device nodes.
+// They are, from low to high: the lower 8 bits of the minor, then 12 bits of the major,
+// then the top 12 bits of the minor.
+func Mkdev(major int64, minor int64) uint32 {
+	return uint32(((minor & 0xfff00) << 12) | ((major & 0xfff) << 8) | (minor & 0xff))
+}
diff --git a/vendor/github.com/containers/storage/store.go b/vendor/github.com/containers/storage/store.go
index fa595355d..e9c3de5fa 100644
--- a/vendor/github.com/containers/storage/store.go
+++ b/vendor/github.com/containers/storage/store.go
@@ -122,6 +122,30 @@ type ContainerBigDataStore interface {
 	SetBigData(id, key string, data []byte) error
 }
 
+// A ROLayerBigDataStore wraps up how we store RO big-data associated with layers.
+type ROLayerBigDataStore interface {
+	// SetBigData stores a (potentially large) piece of data associated
+	// with this ID.
+	BigData(id, key string) (io.ReadCloser, error)
+
+	// BigDataNames() returns a list of the names of previously-stored pieces of
+	// data.
+	BigDataNames(id string) ([]string, error)
+}
+
+// A RWLayerBigDataStore wraps up how we store big-data associated with layers.
+type RWLayerBigDataStore interface {
+	// SetBigData stores a (potentially large) piece of data associated
+	// with this ID.
+	SetBigData(id, key string, data io.Reader) error
+}
+
+// A LayerBigDataStore wraps up how we store big-data associated with layers.
+type LayerBigDataStore interface {
+	ROLayerBigDataStore
+	RWLayerBigDataStore
+}
+
 // A FlaggableStore can have flags set and cleared on items which it manages.
 type FlaggableStore interface {
 	// ClearFlag removes a named flag from an item in the store.
@@ -385,6 +409,18 @@ type Store interface {
 	// allow ImagesByDigest to find images by their correct digests.
 	SetImageBigData(id, key string, data []byte, digestManifest func([]byte) (digest.Digest, error)) error
 
+	// ListLayerBigData retrieves a list of the (possibly large) chunks of
+	// named data associated with an layer.
+	ListLayerBigData(id string) ([]string, error)
+
+	// LayerBigData retrieves a (possibly large) chunk of named data
+	// associated with a layer.
+	LayerBigData(id, key string) (io.ReadCloser, error)
+
+	// SetLayerBigData stores a (possibly large) chunk of named data
+	// associated with a layer.
+	SetLayerBigData(id, key string, data io.Reader) error
+
 	// ImageSize computes the size of the image's layers and ancillary data.
 	ImageSize(id string) (int64, error)
 
@@ -1627,6 +1663,95 @@ func (s *store) ImageBigData(id, key string) ([]byte, error) {
 	return nil, errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 }
 
+// ListLayerBigData retrieves a list of the (possibly large) chunks of
+// named data associated with an layer.
+func (s *store) ListLayerBigData(id string) ([]string, error) {
+	lstore, err := s.LayerStore()
+	if err != nil {
+		return nil, err
+	}
+	lstores, err := s.ROLayerStores()
+	if err != nil {
+		return nil, err
+	}
+	foundLayer := false
+	for _, s := range append([]ROLayerStore{lstore}, lstores...) {
+		store := s
+		store.RLock()
+		defer store.Unlock()
+		if modified, err := store.Modified(); modified || err != nil {
+			if err = store.Load(); err != nil {
+				return nil, err
+			}
+		}
+		data, err := store.BigDataNames(id)
+		if err == nil {
+			return data, nil
+		}
+		if store.Exists(id) {
+			foundLayer = true
+		}
+	}
+	if foundLayer {
+		return nil, errors.Wrapf(os.ErrNotExist, "error locating big data for layer with ID %q", id)
+	}
+	return nil, errors.Wrapf(ErrLayerUnknown, "error locating layer with ID %q", id)
+}
+
+// LayerBigData retrieves a (possibly large) chunk of named data
+// associated with a layer.
+func (s *store) LayerBigData(id, key string) (io.ReadCloser, error) {
+	lstore, err := s.LayerStore()
+	if err != nil {
+		return nil, err
+	}
+	lstores, err := s.ROLayerStores()
+	if err != nil {
+		return nil, err
+	}
+	foundLayer := false
+	for _, s := range append([]ROLayerStore{lstore}, lstores...) {
+		store := s
+		store.RLock()
+		defer store.Unlock()
+		if modified, err := store.Modified(); modified || err != nil {
+			if err = store.Load(); err != nil {
+				return nil, err
+			}
+		}
+		data, err := store.BigData(id, key)
+		if err == nil {
+			return data, nil
+		}
+		if store.Exists(id) {
+			foundLayer = true
+		}
+	}
+	if foundLayer {
+		return nil, errors.Wrapf(os.ErrNotExist, "error locating item named %q for layer with ID %q", key, id)
+	}
+	return nil, errors.Wrapf(ErrLayerUnknown, "error locating layer with ID %q", id)
+}
+
+// SetLayerBigData stores a (possibly large) chunk of named data
+// associated with a layer.
+func (s *store) SetLayerBigData(id, key string, data io.Reader) error {
+	store, err := s.LayerStore()
+	if err != nil {
+		return err
+	}
+
+	store.Lock()
+	defer store.Unlock()
+	if modified, err := store.Modified(); modified || err != nil {
+		if err = store.Load(); err != nil {
+			return nil
+		}
+	}
+
+	return store.SetBigData(id, key, data)
+}
+
 func (s *store) SetImageBigData(id, key string, data []byte, digestManifest func([]byte) (digest.Digest, error)) error {
 	ristore, err := s.ImageStore()
 	if err != nil {
diff --git a/vendor/github.com/mattn/go-shellwords/.travis.yml b/vendor/github.com/mattn/go-shellwords/.travis.yml
index b2904bffc..ebd5edd89 100644
--- a/vendor/github.com/mattn/go-shellwords/.travis.yml
+++ b/vendor/github.com/mattn/go-shellwords/.travis.yml
@@ -1,3 +1,6 @@
+arch:
+  - amd64
+  - ppc64le
 language: go
 sudo: false
 go:
diff --git a/vendor/github.com/mattn/go-shellwords/README.md b/vendor/github.com/mattn/go-shellwords/README.md
index e91902f40..bdd531918 100644
--- a/vendor/github.com/mattn/go-shellwords/README.md
+++ b/vendor/github.com/mattn/go-shellwords/README.md
@@ -2,7 +2,8 @@
 
 [![codecov](https://codecov.io/gh/mattn/go-shellwords/branch/master/graph/badge.svg)](https://codecov.io/gh/mattn/go-shellwords)
 [![Build Status](https://travis-ci.org/mattn/go-shellwords.svg?branch=master)](https://travis-ci.org/mattn/go-shellwords)
-[![GoDoc](https://godoc.org/github.com/mattn/go-shellwords?status.svg)](http://godoc.org/github.com/mattn/go-shellwords)
+[![PkgGoDev](https://pkg.go.dev/badge/github.com/mattn/go-shellwords)](https://pkg.go.dev/github.com/mattn/go-shellwords)
+[![ci](https://github.com/mattn/go-shellwords/ci/badge.svg)](https://github.com/mattn/go-shellwords/actions)
 
 Parse line as shell words.
 
@@ -14,6 +15,12 @@ args, err := shellwords.Parse("./foo --bar=baz")
 ```
 
 ```go
+envs, args, err := shellwords.ParseWithEnvs("FOO=foo BAR=baz ./foo --bar=baz")
+// envs should be ["FOO=foo", "BAR=baz"]
+// args should be ["./foo", "--bar=baz"]
+```
+
+```go
 os.Setenv("FOO", "bar")
 p := shellwords.NewParser()
 p.ParseEnv = true
diff --git a/vendor/github.com/mattn/go-shellwords/shellwords.go b/vendor/github.com/mattn/go-shellwords/shellwords.go
index ef080861a..01afd94d1 100644
--- a/vendor/github.com/mattn/go-shellwords/shellwords.go
+++ b/vendor/github.com/mattn/go-shellwords/shellwords.go
@@ -1,10 +1,11 @@
 package shellwords
 
 import (
+	"bytes"
 	"errors"
 	"os"
-	"regexp"
 	"strings"
+	"unicode"
 )
 
 var (
@@ -12,8 +13,6 @@ var (
 	ParseBacktick bool = false
 )
 
-var envRe = regexp.MustCompile(`\$({[a-zA-Z0-9_]+}|[a-zA-Z0-9_]+)`)
-
 func isSpace(r rune) bool {
 	switch r {
 	case ' ', '\t', '\r', '\n':
@@ -27,13 +26,72 @@ func replaceEnv(getenv func(string) string, s string) string {
 		getenv = os.Getenv
 	}
 
-	return envRe.ReplaceAllStringFunc(s, func(s string) string {
-		s = s[1:]
-		if s[0] == '{' {
-			s = s[1 : len(s)-1]
+	var buf bytes.Buffer
+	rs := []rune(s)
+	for i := 0; i < len(rs); i++ {
+		r := rs[i]
+		if r == '\\' {
+			i++
+			if i == len(rs) {
+				break
+			}
+			buf.WriteRune(rs[i])
+			continue
+		} else if r == '$' {
+			i++
+			if i == len(rs) {
+				buf.WriteRune(r)
+				break
+			}
+			if rs[i] == 0x7b {
+				i++
+				p := i
+				for ; i < len(rs); i++ {
+					r = rs[i]
+					if r == '\\' {
+						i++
+						if i == len(rs) {
+							return s
+						}
+						continue
+					}
+					if r == 0x7d || (!unicode.IsLetter(r) && r != '_' && !unicode.IsDigit(r)) {
+						break
+					}
+				}
+				if r != 0x7d {
+					return s
+				}
+				if i > p {
+					buf.WriteString(getenv(s[p:i]))
+				}
+			} else {
+				p := i
+				for ; i < len(rs); i++ {
+					r := rs[i]
+					if r == '\\' {
+						i++
+						if i == len(rs) {
+							return s
+						}
+						continue
+					}
+					if !unicode.IsLetter(r) && r != '_' && !unicode.IsDigit(r) {
+						break
+					}
+				}
+				if i > p {
+					buf.WriteString(getenv(s[p:i]))
+					i--
+				} else {
+					buf.WriteString(s[p:])
+				}
+			}
+		} else {
+			buf.WriteRune(r)
 		}
-		return getenv(s)
-	})
+	}
+	return buf.String()
 }
 
 type Parser struct {
@@ -56,6 +114,14 @@ func NewParser() *Parser {
 	}
 }
 
+type argType int
+
+const (
+	argNo argType = iota
+	argSingle
+	argQuoted
+)
+
 func (p *Parser) Parse(line string) ([]string, error) {
 	args := []string{}
 	buf := ""
@@ -63,13 +129,16 @@ func (p *Parser) Parse(line string) ([]string, error) {
 	backtick := ""
 
 	pos := -1
-	got := false
+	got := argNo
 
+	i := -1
 loop:
-	for i, r := range line {
+	for _, r := range line {
+		i++
 		if escaped {
 			buf += string(r)
 			escaped = false
+			got = argSingle
 			continue
 		}
 
@@ -86,21 +155,23 @@ loop:
 			if singleQuoted || doubleQuoted || backQuote || dollarQuote {
 				buf += string(r)
 				backtick += string(r)
-			} else if got {
+			} else if got != argNo {
 				if p.ParseEnv {
-					parser := &Parser{ParseEnv: false, ParseBacktick: false, Position: 0, Dir: p.Dir}
-					strs, err := parser.Parse(replaceEnv(p.Getenv, buf))
-					if err != nil {
-						return nil, err
-					}
-					for _, str := range strs {
-						args = append(args, str)
+					if got == argSingle {
+						parser := &Parser{ParseEnv: false, ParseBacktick: false, Position: 0, Dir: p.Dir}
+						strs, err := parser.Parse(replaceEnv(p.Getenv, buf))
+						if err != nil {
+							return nil, err
+						}
+						args = append(args, strs...)
+					} else {
+						args = append(args, replaceEnv(p.Getenv, buf))
 					}
 				} else {
 					args = append(args, buf)
 				}
 				buf = ""
-				got = false
+				got = argNo
 			}
 			continue
 		}
@@ -153,7 +224,7 @@ loop:
 		case '"':
 			if !singleQuoted && !dollarQuote {
 				if doubleQuoted {
-					got = true
+					got = argQuoted
 				}
 				doubleQuoted = !doubleQuoted
 				continue
@@ -161,7 +232,7 @@ loop:
 		case '\'':
 			if !doubleQuoted && !dollarQuote {
 				if singleQuoted {
-					got = true
+					got = argSingle
 				}
 				singleQuoted = !singleQuoted
 				continue
@@ -171,7 +242,7 @@ loop:
 				if r == '>' && len(buf) > 0 {
 					if c := buf[0]; '0' <= c && c <= '9' {
 						i -= 1
-						got = false
+						got = argNo
 					}
 				}
 				pos = i
@@ -179,22 +250,24 @@ loop:
 			}
 		}
 
-		got = true
+		got = argSingle
 		buf += string(r)
 		if backQuote || dollarQuote {
 			backtick += string(r)
 		}
 	}
 
-	if got {
+	if got != argNo {
 		if p.ParseEnv {
-			parser := &Parser{ParseEnv: false, ParseBacktick: false, Position: 0, Dir: p.Dir}
-			strs, err := parser.Parse(replaceEnv(p.Getenv, buf))
-			if err != nil {
-				return nil, err
-			}
-			for _, str := range strs {
-				args = append(args, str)
+			if got == argSingle {
+				parser := &Parser{ParseEnv: false, ParseBacktick: false, Position: 0, Dir: p.Dir}
+				strs, err := parser.Parse(replaceEnv(p.Getenv, buf))
+				if err != nil {
+					return nil, err
+				}
+				args = append(args, strs...)
+			} else {
+				args = append(args, replaceEnv(p.Getenv, buf))
 			}
 		} else {
 			args = append(args, buf)
@@ -210,6 +283,35 @@ loop:
 	return args, nil
 }
 
+func (p *Parser) ParseWithEnvs(line string) (envs []string, args []string, err error) {
+	_args, err := p.Parse(line)
+	if err != nil {
+		return nil, nil, err
+	}
+	envs = []string{}
+	args = []string{}
+	parsingEnv := true
+	for _, arg := range _args {
+		if parsingEnv && isEnv(arg) {
+			envs = append(envs, arg)
+		} else {
+			if parsingEnv {
+				parsingEnv = false
+			}
+			args = append(args, arg)
+		}
+	}
+	return envs, args, nil
+}
+
+func isEnv(arg string) bool {
+	return len(strings.Split(arg, "=")) == 2
+}
+
 func Parse(line string) ([]string, error) {
 	return NewParser().Parse(line)
 }
+
+func ParseWithEnvs(line string) (envs []string, args []string, err error) {
+	return NewParser().ParseWithEnvs(line)
+}
diff --git a/vendor/github.com/mattn/go-shellwords/util_posix.go b/vendor/github.com/mattn/go-shellwords/util_posix.go
index 988fc9ed2..b56a90120 100644
--- a/vendor/github.com/mattn/go-shellwords/util_posix.go
+++ b/vendor/github.com/mattn/go-shellwords/util_posix.go
@@ -3,7 +3,7 @@
 package shellwords
 
 import (
-	"errors"
+	"fmt"
 	"os"
 	"os/exec"
 	"strings"
@@ -23,7 +23,7 @@ func shellRun(line, dir string) (string, error) {
 		if eerr, ok := err.(*exec.ExitError); ok {
 			b = eerr.Stderr
 		}
-		return "", errors.New(err.Error() + ":" + string(b))
+		return "", fmt.Errorf("%s: %w", string(b), err)
 	}
 	return strings.TrimSpace(string(b)), nil
 }
diff --git a/vendor/github.com/mattn/go-shellwords/util_windows.go b/vendor/github.com/mattn/go-shellwords/util_windows.go
index 20546737c..fd738a721 100644
--- a/vendor/github.com/mattn/go-shellwords/util_windows.go
+++ b/vendor/github.com/mattn/go-shellwords/util_windows.go
@@ -3,7 +3,7 @@
 package shellwords
 
 import (
-	"errors"
+	"fmt"
 	"os"
 	"os/exec"
 	"strings"
@@ -23,7 +23,7 @@ func shellRun(line, dir string) (string, error) {
 		if eerr, ok := err.(*exec.ExitError); ok {
 			b = eerr.Stderr
 		}
-		return "", errors.New(err.Error() + ":" + string(b))
+		return "", fmt.Errorf("%s: %w", string(b), err)
 	}
 	return strings.TrimSpace(string(b)), nil
 }