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50 lines
996 B
Go
50 lines
996 B
Go
package graphdriver
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import (
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"golang.org/x/sys/unix"
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"github.com/containers/storage/pkg/mount"
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)
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const (
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// FsMagicZfs filesystem id for Zfs
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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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"zfs",
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"vfs",
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}
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// FsNames maps filesystem id to name of the filesystem.
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FsNames = map[FsMagic]string{
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FsMagicZfs: "zfs",
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}
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)
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// NewDefaultChecker returns a check that parses /proc/mountinfo to check
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// if the specified path is mounted.
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// No-op on FreeBSD.
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func NewDefaultChecker() Checker {
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return &defaultChecker{}
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}
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type defaultChecker struct {
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}
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func (c *defaultChecker) IsMounted(path string) bool {
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m, _ := mount.Mounted(path)
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return m
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}
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// Mounted checks if the given path is mounted as the fs type
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func Mounted(fsType FsMagic, mountPath string) (bool, error) {
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var buf unix.Statfs_t
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if err := unix.Statfs(mountPath, &buf); err != nil {
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return false, err
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}
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return FsMagic(buf.Type) == fsType, nil
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}
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