dotcloud/docker

package fstype

// FsMagic unsigned id of the filesystem in use.
type FsMagic uint32

const (
    FsMagicUnsupported FsMagic = 0x00000000 // FsMagicUnsupported is a predefined constant value other than a valid filesystem id.

    FsMagicAufs     FsMagic = 0x61756673 // FsMagicAufs filesystem id for Aufs.
    FsMagicBtrfs    FsMagic = 0x9123683E // FsMagicBtrfs filesystem id for Btrfs.
    FsMagicCramfs   FsMagic = 0x28cd3d45 // FsMagicCramfs filesystem id for Cramfs.
    FsMagicEcryptfs FsMagic = 0xf15f     // FsMagicEcryptfs filesystem id for eCryptfs.
    FsMagicExtfs    FsMagic = 0x0000EF53 // FsMagicExtfs filesystem id for Extfs.
    FsMagicF2fs     FsMagic = 0xF2F52010 // FsMagicF2fs filesystem id for F2fs.
    FsMagicGPFS     FsMagic = 0x47504653 // FsMagicGPFS filesystem id for GPFS.
    FsMagicJffs2Fs  FsMagic = 0x000072b6 // FsMagicJffs2Fs filesystem if for Jffs2Fs.
    FsMagicJfs      FsMagic = 0x3153464a // FsMagicJfs filesystem id for Jfs.
    FsMagicNfsFs    FsMagic = 0x00006969 // FsMagicNfsFs filesystem id for NfsFs.
    FsMagicRAMFs    FsMagic = 0x858458f6 // FsMagicRAMFs filesystem id for RamFs.
    FsMagicReiserFs FsMagic = 0x52654973 // FsMagicReiserFs filesystem id for ReiserFs.
    FsMagicSmbFs    FsMagic = 0x0000517B // FsMagicSmbFs filesystem id for SmbFs.
    FsMagicSquashFs FsMagic = 0x73717368 // FsMagicSquashFs filesystem id for SquashFs.
    FsMagicTmpFs    FsMagic = 0x01021994 // FsMagicTmpFs filesystem id for TmpFs.
    FsMagicVxFS     FsMagic = 0xa501fcf5 // FsMagicVxFS filesystem id for VxFs.
    FsMagicXfs      FsMagic = 0x58465342 // FsMagicXfs filesystem id for Xfs.
    FsMagicZfs      FsMagic = 0x2fc12fc1 // FsMagicZfs filesystem id for Zfs.
    FsMagicOverlay  FsMagic = 0x794C7630 // FsMagicOverlay filesystem id for overlayFs.
    FsMagicFUSE     FsMagic = 0x65735546 // FsMagicFUSE filesystem id for FUSE.
)

// FsNames maps filesystem id to name of the filesystem.
var FsNames = map[FsMagic]string{
    FsMagicUnsupported: "unsupported",

    FsMagicAufs:     "aufs",
    FsMagicBtrfs:    "btrfs",
    FsMagicCramfs:   "cramfs",
    FsMagicEcryptfs: "ecryptfs",
    FsMagicExtfs:    "extfs",
    FsMagicF2fs:     "f2fs",
    FsMagicFUSE:     "fuse",
    FsMagicGPFS:     "gpfs",
    FsMagicJffs2Fs:  "jffs2",
    FsMagicJfs:      "jfs",
    FsMagicNfsFs:    "nfs",
    FsMagicOverlay:  "overlayfs",
    FsMagicRAMFs:    "ramfs",
    FsMagicReiserFs: "reiserfs",
    FsMagicSmbFs:    "smb",
    FsMagicSquashFs: "squashfs",
    FsMagicTmpFs:    "tmpfs",
    FsMagicVxFS:     "vxfs",
    FsMagicXfs:      "xfs",
    FsMagicZfs:      "zfs",
}

// GetFSMagic returns the filesystem id given the path. It returns an error
// when failing to detect the filesystem. it returns [FsMagicUnsupported]
// if detection is not supported by the platform, but no error is returned
// in this case.
func GetFSMagic(rootpath string) (FsMagic, error) {
    return getFSMagic(rootpath)
}