Updating dependency github.com/mistifyio/go-zfs to version v2.1.2-0.20190413222219-f784269be439+incompatible

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

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