gvisor/pkg/sentry/syscalls/linux/sys_stat_amd64.go

46 lines
1.5 KiB
Go

// Copyright 2020 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build amd64
package linux
import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/sentry/fs"
"gvisor.dev/gvisor/pkg/sentry/kernel"
)
// LINT.IfChange
func statFromAttrs(t *kernel.Task, sattr fs.StableAttr, uattr fs.UnstableAttr) linux.Stat {
return linux.Stat{
Dev: sattr.DeviceID,
Ino: sattr.InodeID,
Nlink: uattr.Links,
Mode: sattr.Type.LinuxType() | uint32(uattr.Perms.LinuxMode()),
UID: uint32(uattr.Owner.UID.In(t.UserNamespace()).OrOverflow()),
GID: uint32(uattr.Owner.GID.In(t.UserNamespace()).OrOverflow()),
Rdev: uint64(linux.MakeDeviceID(sattr.DeviceFileMajor, sattr.DeviceFileMinor)),
Size: uattr.Size,
Blksize: sattr.BlockSize,
Blocks: uattr.Usage / 512,
ATime: uattr.AccessTime.Timespec(),
MTime: uattr.ModificationTime.Timespec(),
CTime: uattr.StatusChangeTime.Timespec(),
}
}
// LINT.ThenChange(vfs2/stat_amd64.go)