Golang syscall.Fstatfs函數代碼示例

本文整理匯總了Golang中syscall.Fstatfs函數的典型用法代碼示例。如果您正苦於以下問題：Golang Fstatfs函數的具體用法？Golang Fstatfs怎麽用？Golang Fstatfs使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。

在下文中一共展示了Fstatfs函數的8個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: TestFStatFs

func TestFStatFs(t *testing.T) {
	ts := NewTestCase(t)
	defer ts.Cleanup()

	fOrig, err := os.OpenFile(ts.orig+"/file", os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0644)
	if err != nil {
		t.Fatalf("OpenFile failed: %v", err)
	}
	defer fOrig.Close()

	empty := syscall.Statfs_t{}
	s1 := empty
	errno := syscall.Fstatfs(int(fOrig.Fd()), &s1)
	if errno != nil {
		t.Fatal("statfs orig", err)
	}

	fMnt, err := os.OpenFile(ts.mnt+"/file", os.O_RDWR, 0644)
	if err != nil {
		t.Fatalf("OpenFile failed: %v", err)
	}
	defer fMnt.Close()
	s2 := empty

	errno = syscall.Fstatfs(int(fMnt.Fd()), &s2)
	if errno != nil {
		t.Fatal("statfs mnt", err)
	}

	clearStatfs(&s1)
	clearStatfs(&s2)
	if fmt.Sprintf("%v", s2) != fmt.Sprintf("%v", s1) {
		t.Errorf("statfs mismatch: %#v != %#v", s1, s2)
	}
}

開發者ID:seacoastboy，項目名稱:go-fuse，代碼行數:35，代碼來源:loopback_test.go

示例2: init_disk_usage

func init_disk_usage(disk_usage *DiskUsage) bool {
	if disk_usage.reserved_blocks == 0 {
		disk_usage.reserved_blocks = DEFAULT_FS_RESERVED_BLOCKS
	}
	disk_usage.total_size = 0
	disk_usage.static_size = 0
	disk_usage.dynamic_size = 0
	disk_usage.ratio = 0.0

	base_dir := "/store/instance"
	fd, err := syscall.Open(base_dir, syscall.O_RDONLY, 0x664)
	if err != nil {
		logger.Error("%s does not exist, ignore disk quota filter.", base_dir)
		return false
	}
	defer syscall.Close(fd)

	var statfs syscall.Statfs_t
	err = syscall.Fstatfs(fd, &statfs)
	if err != nil {
		logger.Error("Failed to get %s file system stats [%s].", base_dir, err)
		return false
	}

	total_size := uint64(statfs.Bsize) * uint64(float64(statfs.Blocks)*
		float64(1.0-disk_usage.reserved_blocks))
	logger.Debug("Get total disk size %d.", total_size)
	disk_usage.total_size = total_size
	return true
}

開發者ID:andreysorokin，項目名稱:vcap-services，代碼行數:30，代碼來源:filter.go

示例3: TestStatfs

func TestStatfs(t *testing.T) {
	fuse.Debugf = log.Printf
	dir, err := ioutil.TempDir("", "fusetest")
	if err != nil {
		t.Fatal(err)
	}
	os.MkdirAll(dir, 0777)

	c, err := fuse.Mount(dir)
	if err != nil {
		t.Fatal(err)
	}
	defer umount(dir)

	go func() {
		err := Serve(c, testStatFS{})
		if err != nil {
			fmt.Printf("SERVE ERROR: %v\n", err)
		}
	}()

	waitForMount_inode1(t, dir)

	{
		var st syscall.Statfs_t
		err = syscall.Statfs(dir, &st)
		if err != nil {
			t.Errorf("Statfs failed: %v", err)
		}
		t.Logf("Statfs got: %#v", st)
		if g, e := st.Blocks, uint64(42); g != e {
			t.Errorf("got Blocks = %q; want %q", g, e)
		}
		if g, e := st.Namelen, int64(13); g != e {
			t.Errorf("got Namelen = %q; want %q", g, e)
		}
	}

	{
		var st syscall.Statfs_t
		f, err := os.Open(dir)
		if err != nil {
			t.Errorf("Open for fstatfs failed: %v", err)
		}
		defer f.Close()
		err = syscall.Fstatfs(int(f.Fd()), &st)
		if err != nil {
			t.Errorf("Fstatfs failed: %v", err)
		}
		t.Logf("Fstatfs got: %#v", st)
		if g, e := st.Blocks, uint64(42); g != e {
			t.Errorf("got Blocks = %q; want %q", g, e)
		}
		if g, e := st.Namelen, int64(13); g != e {
			t.Errorf("got Namelen = %q; want %q", g, e)
		}
	}

}

開發者ID:rsrsps，項目名稱:fuse，代碼行數:59，代碼來源:fuse_test.go

示例4: Fstatfs

func (k *PosixKernel) Fstatfs(fd co.Fd, statfs co.Obuf) uint64 {
	var tmp syscall.Statfs_t
	if err := syscall.Fstatfs(int(fd), &tmp); err != nil {
		return Errno(err)
	}
	if err := statfs.Pack(&tmp); err != nil {
		return UINT64_MAX // FIXME
	}
	return 0
}

開發者ID:lunixbochs，項目名稱:usercorn，代碼行數:10，代碼來源:fs.go

示例5: GetFSMagic

func GetFSMagic(rootpath string) (FsMagic, error) {
	var buf syscall.Statfs_t
	fd, err := syscall.Open(filepath.Dir(rootpath), 0, 0700)
	if err != nil {
		return 0, err
	}
	if err := syscall.Fstatfs(fd, &buf); err != nil {
		return 0, err
	}
	return FsMagic(buf.Type), nil
}

開發者ID:m1911，項目名稱:hyper，代碼行數:11，代碼來源:driver_darwin.go

示例6: HeartBeat

func (v *volume) HeartBeat() (stat maggiefs.VolumeStat, err error) {
	sysstat := syscall.Statfs_t{}
	err = syscall.Fstatfs(int(v.rootFile.Fd()), &sysstat)
	if err != nil {
		return stat, err
	}
	stat.VolumeInfo = v.info
	// these sizes are in blocks of 512
	stat.Size = sysstat.Blocks * uint64(sysstat.Bsize)
	stat.Used = (uint64(sysstat.Blocks-sysstat.Bfree) * uint64(sysstat.Bsize))
	stat.Free = sysstat.Bfree * uint64(sysstat.Bsize)
	return stat, nil
}

開發者ID:jonpugh，項目名稱:maggiefs，代碼行數:13，代碼來源:volume.go

示例7: TestStatfs

func TestStatfs(t *testing.T) {
	t.Parallel()
	mnt, err := fstestutil.MountedT(t, testStatFS{})
	if err != nil {
		t.Fatal(err)
	}
	defer mnt.Close()

	{
		var st syscall.Statfs_t
		err = syscall.Statfs(mnt.Dir, &st)
		if err != nil {
			t.Errorf("Statfs failed: %v", err)
		}
		t.Logf("Statfs got: %#v", st)
		if g, e := st.Blocks, uint64(42); g != e {
			t.Errorf("got Blocks = %d; want %d", g, e)
		}
		if g, e := st.Files, uint64(13); g != e {
			t.Errorf("got Files = %d; want %d", g, e)
		}
	}

	{
		var st syscall.Statfs_t
		f, err := os.Open(mnt.Dir)
		if err != nil {
			t.Errorf("Open for fstatfs failed: %v", err)
		}
		defer f.Close()
		err = syscall.Fstatfs(int(f.Fd()), &st)
		if err != nil {
			t.Errorf("Fstatfs failed: %v", err)
		}
		t.Logf("Fstatfs got: %#v", st)
		if g, e := st.Blocks, uint64(42); g != e {
			t.Errorf("got Blocks = %d; want %d", g, e)
		}
		if g, e := st.Files, uint64(13); g != e {
			t.Errorf("got Files = %d; want %d", g, e)
		}
	}

}

開發者ID:djbarber，項目名稱:ipfs-hack，代碼行數:44，代碼來源:serve_test.go

示例8: processMountLine

func (p *prober) processMountLine(line string) error {
	var device, mountPoint, fsType, fsOptions, junk string
	nScanned, err := fmt.Sscanf(line, "%s %s %s %s %s",
		&device, &mountPoint, &fsType, &fsOptions, &junk)
	if err != nil {
		return err
	}
	if nScanned < 4 {
		return errors.New(fmt.Sprintf("only read %d values from %s",
			nScanned, line))
	}
	if !strings.HasPrefix(device, "/dev/") {
		return nil
	}
	device = device[5:]
	fs := p.fileSystems[device]
	if fs == nil {
		fs = new(fileSystem)
		p.fileSystems[device] = fs
		if mountPoint == "/" {
			fs.dir = p.dir
		} else {
			fs.dir, err = p.dir.RegisterDirectory(mountPoint)
			if err != nil {
				return err
			}
		}
		fs.mountPoint = mountPoint
		metricsDir, err := fs.dir.RegisterDirectory("METRICS")
		if err != nil {
			return err
		}
		if err := metricsDir.RegisterMetric("available", &fs.available,
			units.Byte, "space available to unprivileged users"); err != nil {
			return err
		}
		if err := metricsDir.RegisterMetric("device", &fs.device,
			units.None, "device "); err != nil {
			return err
		}
		if err := metricsDir.RegisterMetric("free", &fs.free,
			units.Byte, "free space"); err != nil {
			return err
		}
		if err := metricsDir.RegisterMetric("options", &fs.options,
			units.None, "options "); err != nil {
			return err
		}
		if err := metricsDir.RegisterMetric("size", &fs.size,
			units.Byte, "available space"); err != nil {
			return err
		}
		if err := metricsDir.RegisterMetric("writable", &fs.writable,
			units.None, "true if writable, else read-only"); err != nil {
			return err
		}
	}
	if fs.probed {
		return nil
	}
	if fd, err := syscall.Open(mountPoint, syscall.O_RDONLY, 0); err != nil {
		return errors.New(fmt.Sprintf("error opening: %s %s", mountPoint, err))
	} else {
		defer syscall.Close(fd)
		var statbuf syscall.Statfs_t
		if err := syscall.Fstatfs(fd, &statbuf); err != nil {
			return err
		}
		fs.available = statbuf.Bavail * uint64(statbuf.Bsize)
		fs.free = statbuf.Bfree * uint64(statbuf.Bsize)
		fs.size = statbuf.Blocks * uint64(statbuf.Bsize)
	}
	fs.device = device
	fs.options = fsOptions
	fs.writable = strings.HasPrefix(fs.options, "rw,")
	fs.probed = true
	return nil
}

開發者ID:rgooch，項目名稱:health-agent，代碼行數:78，代碼來源:probe.go

注：本文中的syscall.Fstatfs函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。