Switch to github.com/golang/dep for vendoring

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

vendor/github.com/mistifyio/go-zfs/zpool.go

@@ -15,16 +15,11 @@ const (
 // Zpool is a ZFS zpool.  A pool is a top-level structure in ZFS, and can
 // contain many descendent datasets.
 type Zpool struct {
-	Name          string
-	Health        string
-	Allocated     uint64
-	Size          uint64
-	Free          uint64
-	Fragmentation uint64
-	ReadOnly      bool
-	Freeing       uint64
-	Leaked        uint64
-	DedupRatio    float64
+	Name      string
+	Health    string
+	Allocated uint64
+	Size      uint64
+	Free      uint64
 }
 
 // zpool is a helper function to wrap typical calls to zpool.
@@ -35,9 +30,7 @@ func zpool(arg ...string) ([][]string, error) {
 
 // GetZpool retrieves a single ZFS zpool by name.
 func GetZpool(name string) (*Zpool, error) {
-	args := zpoolArgs
-	args = append(args, name)
-	out, err := zpool(args...)
+	out, err := zpool("get", "all", "-p", name)
 	if err != nil {
 		return nil, err
 	}