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moby--moby/daemon/graphdriver/zfs/zfs_freebsd.go
John Howard 2bf73c4b1a Fix log to logrus
Signed-off-by: John Howard <jhoward@microsoft.com>
2015-07-29 09:58:07 -07:00

38 lines
859 B
Go

package zfs
import (
"fmt"
"strings"
"syscall"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/daemon/graphdriver"
)
func checkRootdirFs(rootdir string) error {
var buf syscall.Statfs_t
if err := syscall.Statfs(rootdir, &buf); err != nil {
return fmt.Errorf("Failed to access '%s': %s", rootdir, err)
}
// on FreeBSD buf.Fstypename contains ['z', 'f', 's', 0 ... ]
if (buf.Fstypename[0] != 122) || (buf.Fstypename[1] != 102) || (buf.Fstypename[2] != 115) || (buf.Fstypename[3] != 0) {
logrus.Debugf("[zfs] no zfs dataset found for rootdir '%s'", rootdir)
return graphdriver.ErrPrerequisites
}
return nil
}
func getMountpoint(id string) string {
maxlen := 12
// we need to preserve filesystem suffix
suffix := strings.SplitN(id, "-", 2)
if len(suffix) > 1 {
return id[:maxlen] + "-" + suffix[1]
}
return id[:maxlen]
}