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67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
// +build linux
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package graphdriver
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import (
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"path/filepath"
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"syscall"
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)
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const (
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FsMagicAufs = FsMagic(0x61756673)
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FsMagicBtrfs = FsMagic(0x9123683E)
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FsMagicCramfs = FsMagic(0x28cd3d45)
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FsMagicExtfs = FsMagic(0x0000EF53)
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FsMagicF2fs = FsMagic(0xF2F52010)
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FsMagicJffs2Fs = FsMagic(0x000072b6)
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FsMagicJfs = FsMagic(0x3153464a)
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FsMagicNfsFs = FsMagic(0x00006969)
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FsMagicRamFs = FsMagic(0x858458f6)
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FsMagicReiserFs = FsMagic(0x52654973)
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FsMagicSmbFs = FsMagic(0x0000517B)
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FsMagicSquashFs = FsMagic(0x73717368)
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FsMagicTmpFs = FsMagic(0x01021994)
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FsMagicVxFS = FsMagic(0xa501fcf5)
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FsMagicXfs = FsMagic(0x58465342)
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FsMagicZfs = FsMagic(0x2fc12fc1)
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)
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var (
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// Slice of drivers that should be used in an order
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priority = []string{
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"aufs",
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"btrfs",
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"zfs",
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"devicemapper",
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"overlay",
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"vfs",
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}
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FsNames = map[FsMagic]string{
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FsMagicAufs: "aufs",
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FsMagicBtrfs: "btrfs",
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FsMagicCramfs: "cramfs",
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FsMagicExtfs: "extfs",
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FsMagicF2fs: "f2fs",
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FsMagicJffs2Fs: "jffs2",
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FsMagicJfs: "jfs",
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FsMagicNfsFs: "nfs",
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FsMagicRamFs: "ramfs",
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FsMagicReiserFs: "reiserfs",
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FsMagicSmbFs: "smb",
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FsMagicSquashFs: "squashfs",
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FsMagicTmpFs: "tmpfs",
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FsMagicUnsupported: "unsupported",
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FsMagicVxFS: "vxfs",
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FsMagicXfs: "xfs",
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FsMagicZfs: "zfs",
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}
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)
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func GetFSMagic(rootpath string) (FsMagic, error) {
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var buf syscall.Statfs_t
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if err := syscall.Statfs(filepath.Dir(rootpath), &buf); err != nil {
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return 0, err
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}
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return FsMagic(buf.Type), nil
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}
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