disk[freebsd,darwin,windows]: add fstype to DiskUsageStat.

disk/disk.go

@@ -6,6 +6,7 @@ import (
 
 type DiskUsageStat struct {
 	Path              string  `json:"path"`
+	Fstype            string  `json:"fstype"`
 	Total             uint64  `json:"total"`
 	Free              uint64  `json:"free"`
 	Used              uint64  `json:"used"`

disk/disk_darwin.go

@@ -98,3 +98,7 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	}
 	return
 }
+
+func getFsType(stat syscall.Statfs_t) string {
+	return common.IntToString(stat.Fstypename[:])
+}

disk/disk_freebsd.go

@@ -171,3 +171,7 @@ func parseDevstat(buf []byte) (Devstat, error) {
 
 	return ds, nil
 }
+
+func getFType(stat syscall.Statfs_t) string {
+	return common.IntToString(stat.Fstypename[:])
+}

disk/disk_linux.go

@@ -7,6 +7,7 @@ import (
 	"os/exec"
 	"strconv"
 	"strings"
+	"syscall"
 
 	common "github.com/shirou/gopsutil/common"
 )
@@ -14,6 +15,85 @@ import (
 const (
 	SectorSize = 512
 )
+const (
+	// magic.h
+	ADFS_SUPER_MAGIC      = 0xadf5
+	AFFS_SUPER_MAGIC      = 0xADFF
+	BEFS_SUPER_MAGIC      = 0x42465331
+	BFS_MAGIC             = 0x1BADFACE
+	CIFS_MAGIC_NUMBER     = 0xFF534D42
+	CODA_SUPER_MAGIC      = 0x73757245
+	COH_SUPER_MAGIC       = 0x012FF7B7
+	CRAMFS_MAGIC          = 0x28cd3d45
+	DEVFS_SUPER_MAGIC     = 0x1373
+	EFS_SUPER_MAGIC       = 0x00414A53
+	EXT_SUPER_MAGIC       = 0x137D
+	EXT2_OLD_SUPER_MAGIC  = 0xEF51
+	EXT2_SUPER_MAGIC      = 0xEF53
+	EXT3_SUPER_MAGIC      = 0xEF53
+	EXT4_SUPER_MAGIC      = 0xEF53
+	HFS_SUPER_MAGIC       = 0x4244
+	HPFS_SUPER_MAGIC      = 0xF995E849
+	HUGETLBFS_MAGIC       = 0x958458f6
+	ISOFS_SUPER_MAGIC     = 0x9660
+	JFFS2_SUPER_MAGIC     = 0x72b6
+	JFS_SUPER_MAGIC       = 0x3153464a
+	MINIX_SUPER_MAGIC     = 0x137F /* orig. minix */
+	MINIX_SUPER_MAGIC2    = 0x138F /* 30 char minix */
+	MINIX2_SUPER_MAGIC    = 0x2468 /* minix V2 */
+	MINIX2_SUPER_MAGIC2   = 0x2478 /* minix V2, 30 char names */
+	MSDOS_SUPER_MAGIC     = 0x4d44
+	NCP_SUPER_MAGIC       = 0x564c
+	NFS_SUPER_MAGIC       = 0x6969
+	NTFS_SB_MAGIC         = 0x5346544e
+	OPENPROM_SUPER_MAGIC  = 0x9fa1
+	PROC_SUPER_MAGIC      = 0x9fa0
+	QNX4_SUPER_MAGIC      = 0x002f
+	REISERFS_SUPER_MAGIC  = 0x52654973
+	ROMFS_MAGIC           = 0x7275
+	SMB_SUPER_MAGIC       = 0x517B
+	SYSV2_SUPER_MAGIC     = 0x012FF7B6
+	SYSV4_SUPER_MAGIC     = 0x012FF7B5
+	TMPFS_MAGIC           = 0x01021994
+	UDF_SUPER_MAGIC       = 0x15013346
+	UFS_MAGIC             = 0x00011954
+	USBDEVICE_SUPER_MAGIC = 0x9fa2
+	VXFS_SUPER_MAGIC      = 0xa501FCF5
+	XENIX_SUPER_MAGIC     = 0x012FF7B4
+	XFS_SUPER_MAGIC       = 0x58465342
+	_XIAFS_SUPER_MAGIC    = 0x012FD16D
+)
+
+var fsTypeMap = map[int64]string{
+	AFFS_SUPER_MAGIC:      "affs",
+	COH_SUPER_MAGIC:       "coh",
+	DEVFS_SUPER_MAGIC:     "devfs",
+	EXT2_OLD_SUPER_MAGIC:  "old ext2",
+	EXT2_SUPER_MAGIC:      "ext2",
+	EXT3_SUPER_MAGIC:      "ext3",
+	EXT4_SUPER_MAGIC:      "ext4",
+	HFS_SUPER_MAGIC:       "hfs",
+	HPFS_SUPER_MAGIC:      "hpfs",
+	ISOFS_SUPER_MAGIC:     "isofs",
+	MINIX2_SUPER_MAGIC:    "minix v2",
+	MINIX2_SUPER_MAGIC2:   "minix v2 30 char",
+	MINIX_SUPER_MAGIC:     "minix",
+	MINIX_SUPER_MAGIC2:    "minix 30 char",
+	MSDOS_SUPER_MAGIC:     "msdos",
+	NCP_SUPER_MAGIC:       "ncp",
+	NFS_SUPER_MAGIC:       "nfs",
+	NTFS_SB_MAGIC:         "ntfs",
+	PROC_SUPER_MAGIC:      "proc",
+	SMB_SUPER_MAGIC:       "smb",
+	SYSV2_SUPER_MAGIC:     "sysv2",
+	SYSV4_SUPER_MAGIC:     "sysv4",
+	UFS_MAGIC:             "ufs",
+	USBDEVICE_SUPER_MAGIC: "usb",
+	VXFS_SUPER_MAGIC:      "vxfs",
+	XENIX_SUPER_MAGIC:     "xenix",
+	XFS_SUPER_MAGIC:       "xfs",
+	_XIAFS_SUPER_MAGIC:    "xiafs",
+}
 
 // Get disk partitions.
 // should use setmntent(3) but this implement use /etc/mtab file
@@ -120,3 +200,12 @@ func GetDiskSerialNumber(name string) string {
 	}
 	return ""
 }
+
+func getFsType(stat syscall.Statfs_t) string {
+	t := stat.Type
+	ret, ok := fsTypeMap[t]
+	if !ok {
+		return ""
+	}
+	return ret
+}

disk/disk_test.go

@@ -61,8 +61,9 @@ func TestDiskUsageStat_String(t *testing.T) {
 		InodesUsed:        5000,
 		InodesFree:        6000,
 		InodesUsedPercent: 49.1,
+		Fstype:            "ext4",
 	}
-	e := `{"path":"/","total":1000,"free":2000,"used":3000,"used_percent":50.1,"inodes_total":4000,"inodes_used":5000,"inodes_free":6000,"inodes_used_percent":49.1}`
+	e := `{"path":"/","fstype":"ext4","total":1000,"free":2000,"used":3000,"used_percent":50.1,"inodes_total":4000,"inodes_used":5000,"inodes_free":6000,"inodes_used_percent":49.1}`
 	if e != fmt.Sprintf("%v", v) {
 		t.Errorf("DiskUsageStat string is invalid: %v", v)
 	}

disk/disk_unix.go

@@ -10,11 +10,11 @@ func DiskUsage(path string) (*DiskUsageStat, error) {
 	if err != nil {
 		return nil, err
 	}
-
 	bsize := stat.Bsize
 
 	ret := &DiskUsageStat{
 		Path:        path,
+		Fstype:      getFsType(stat),
 		Total:       (uint64(stat.Blocks) * uint64(bsize)),
 		Free:        (uint64(stat.Bfree) * uint64(bsize)),
 		InodesTotal: (uint64(stat.Files)),