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Merge pull request #26378 from rhvgoyal/fix-max-retries

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devmapper: Fail to start container if xfs_nospace_max_retries can't be enforced
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Brian Goff 2016-09-07 16:56:45 -04:00 • committed by GitHub
commit ce5eb34e68
1 changed files with 3 additions and 5 deletions
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8
daemon/graphdriver/devmapper/deviceset.go
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@ -2325,11 +2325,7 @@ func (devices *DeviceSet) xfsSetNospaceRetries(info *devInfo) error {
filePath := "/sys/fs/xfs/" + dmDeviceName + "/error/metadata/ENOSPC/max_retries" filePath := "/sys/fs/xfs/" + dmDeviceName + "/error/metadata/ENOSPC/max_retries"
maxRetriesFile, err := os.OpenFile(filePath, os.O_WRONLY, 0) maxRetriesFile, err := os.OpenFile(filePath, os.O_WRONLY, 0)
if err != nil { if err != nil {
// Older kernels don't have this feature/file return fmt.Errorf("devmapper: user specified daemon option dm.xfs_nospace_max_retries but it does not seem to be supported on this system :%v", err)
if os.IsNotExist(err) {
return nil
}
return fmt.Errorf("devmapper: Failed to open file %v:%v", filePath, err)
} }
defer maxRetriesFile.Close() defer maxRetriesFile.Close()
@ -2383,6 +2379,8 @@ func (devices *DeviceSet) MountDevice(hash, path, mountLabel string) error {
if fstype == "xfs" && devices.xfsNospaceRetries != "" { if fstype == "xfs" && devices.xfsNospaceRetries != "" {
if err := devices.xfsSetNospaceRetries(info); err != nil { if err := devices.xfsSetNospaceRetries(info); err != nil {
syscall.Unmount(path, syscall.MNT_DETACH)
devices.deactivateDevice(info)
return err return err
} }
} }