| //go:build windows | |
| package computestorage | |
| import ( | |
| "context" | |
| "github.com/Microsoft/hcsshim/internal/oc" | |
| "github.com/pkg/errors" | |
| "golang.org/x/sys/windows" | |
| ) | |
| // FormatWritableLayerVhd formats a virtual disk for use as a writable container layer. | |
| // | |
| // If the VHD is not mounted it will be temporarily mounted. | |
| // | |
| // NOTE: This API had a breaking change in the operating system after Windows Server 2019. | |
| // On ws2019 the API expects to get passed a file handle from CreateFile for the vhd that | |
| // the caller wants to format. On > ws2019, its expected that the caller passes a vhd handle | |
| // that can be obtained from the virtdisk APIs. | |
| func FormatWritableLayerVhd(ctx context.Context, vhdHandle windows.Handle) (err error) { | |
| title := "hcsshim::FormatWritableLayerVhd" | |
| ctx, span := oc.StartSpan(ctx, title) //nolint:ineffassign,staticcheck | |
| defer span.End() | |
| defer func() { oc.SetSpanStatus(span, err) }() | |
| err = hcsFormatWritableLayerVhd(vhdHandle) | |
| if err != nil { | |
| return errors.Wrap(err, "failed to format writable layer vhd") | |
| } | |
| return nil | |
| } |