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Merge pull request #17974 from anusha-ragunathan/fsMagic

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Fix devmapper backend in docker info
This commit is contained in:
Michael Crosby 2015-11-17 11:44:48 -08:00
commit 1ecb9a40db
2 changed files with 18 additions and 11 deletions
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27
daemon/graphdriver/devmapper/deviceset.go
View file

@ -100,7 +100,7 @@ type DeviceSet struct {
dataLoopbackSize int64
metaDataLoopbackSize int64
baseFsSize uint64
userFilesystem string // FS specified by user using dm.fs
filesystem string
mountOptions string
mkfsArgs []string
dataDevice string // block or loop dev
@ -149,6 +149,8 @@ type Status struct {
Metadata DiskUsage
// BaseDeviceSize is base size of container and image
BaseDeviceSize uint64
// BaseDeviceFS is backing filesystem.
BaseDeviceFS string
// SectorSize size of the vector.
SectorSize uint64
// UdevSyncSupported is true if sync is supported.
@ -584,12 +586,11 @@ func (devices *DeviceSet) createFilesystem(info *devInfo) error {
var err error
fs := devices.userFilesystem
if fs == "" {
fs = determineDefaultFS()
if devices.filesystem == "" {
devices.filesystem = determineDefaultFS()
}
switch fs {
switch devices.filesystem {
case "xfs":
err = exec.Command("mkfs.xfs", args...).Run()
case "ext4":
@ -602,7 +603,7 @@ func (devices *DeviceSet) createFilesystem(info *devInfo) error {
}
err = exec.Command("tune2fs", append([]string{"-c", "-1", "-i", "0"}, devname)...).Run()
default:
err = fmt.Errorf("Unsupported filesystem type %s", fs)
err = fmt.Errorf("Unsupported filesystem type %s", devices.filesystem)
}
if err != nil {
return err
@ -889,6 +890,10 @@ func (devices *DeviceSet) getBaseDeviceSize() uint64 {
return info.Size
}
func (devices *DeviceSet) getBaseDeviceFS() string {
return devices.filesystem
}
func (devices *DeviceSet) verifyBaseDeviceUUIDFS(baseInfo *devInfo) error {
devices.Lock()
defer devices.Unlock()
@ -911,14 +916,15 @@ func (devices *DeviceSet) verifyBaseDeviceUUIDFS(baseInfo *devInfo) error {
// If user specified a filesystem using dm.fs option and current
// file system of base image is not same, warn user that dm.fs
// will be ignored.
if devices.userFilesystem != "" {
if devices.filesystem != "" {
fs, err := ProbeFsType(baseInfo.DevName())
if err != nil {
return err
}
if fs != devices.userFilesystem {
logrus.Warnf("Base device already exists and has filesystem %s on it. User specified filesystem %s will be ignored.", fs, devices.userFilesystem)
if fs != devices.filesystem {
logrus.Warnf("Base device already exists and has filesystem %s on it. User specified filesystem %s will be ignored.", fs, devices.filesystem)
devices.filesystem = fs
}
}
return nil
@ -2271,6 +2277,7 @@ func (devices *DeviceSet) Status() *Status {
status.DeferredDeleteEnabled = devices.deferredDelete
status.DeferredDeletedDeviceCount = devices.nrDeletedDevices
status.BaseDeviceSize = devices.getBaseDeviceSize()
status.BaseDeviceFS = devices.getBaseDeviceFS()
totalSizeInSectors, _, dataUsed, dataTotal, metadataUsed, metadataTotal, err := devices.poolStatus()
if err == nil {
@ -2369,7 +2376,7 @@ func NewDeviceSet(root string, doInit bool, options []string, uidMaps, gidMaps [
if val != "ext4" && val != "xfs" {
return nil, fmt.Errorf("Unsupported filesystem %s\n", val)
}
devices.userFilesystem = val
devices.filesystem = val
case "dm.mkfsarg":
devices.mkfsArgs = append(devices.mkfsArgs, val)
case "dm.mountopt":

2
daemon/graphdriver/devmapper/driver.go
View file

@ -80,7 +80,7 @@ func (d *Driver) Status() [][2]string {
{"Pool Name", s.PoolName},
{"Pool Blocksize", fmt.Sprintf("%s", units.HumanSize(float64(s.SectorSize)))},
{"Base Device Size", fmt.Sprintf("%s", units.HumanSize(float64(s.BaseDeviceSize)))},
{"Backing Filesystem", backingFs},
{"Backing Filesystem", s.BaseDeviceFS},
{"Data file", s.DataFile},
{"Metadata file", s.MetadataFile},
{"Data Space Used", fmt.Sprintf("%s", units.HumanSize(float64(s.Data.Used)))},