rbd: remove snapshot_mimic.go

go-ceph stopped supporting mimic in v0.7.0. This file no longer is
needed.

Signed-off-by: John Mulligan <jmulligan@redhat.com>

rbd/snapshot_mimic.go

@@ -1,88 +0,0 @@
-// +build luminous mimic
-// +build !nautilus
-//
-// Ceph Nautilus introduced rbd_get_parent() and deprecated rbd_get_parent_info().
-// Ceph Nautilus introduced rbd_list_children3() and deprecated rbd_list_children().
-
-package rbd
-
-// #cgo LDFLAGS: -lrbd
-// #include <rbd/librbd.h>
-// #include <errno.h>
-import "C"
-
-import (
-	"unsafe"
-
-	"github.com/ceph/go-ceph/internal/cutil"
-)
-
-// GetParentInfo looks for the parent of the image and stores the pool, name
-// and snapshot-name in the byte-arrays that are passed as arguments.
-//
-// Implements:
-//   int rbd_get_parent_info(rbd_image_t image, char *parent_pool_name,
-//                           size_t ppool_namelen, char *parent_name,
-//                           size_t pnamelen, char *parent_snap_name,
-//                           size_t psnap_namelen)
-func (image *Image) GetParentInfo(p_pool, p_name, p_snapname []byte) error {
-	if err := image.validate(imageIsOpen); err != nil {
-		return err
-	}
-
-	ret := C.rbd_get_parent_info(
-		image.image,
-		(*C.char)(unsafe.Pointer(&p_pool[0])),
-		(C.size_t)(len(p_pool)),
-		(*C.char)(unsafe.Pointer(&p_name[0])),
-		(C.size_t)(len(p_name)),
-		(*C.char)(unsafe.Pointer(&p_snapname[0])),
-		(C.size_t)(len(p_snapname)))
-	if ret == 0 {
-		return nil
-	} else {
-		return rbdError(ret)
-	}
-}
-
-// ListChildren returns arrays with the pools and names of the images that are
-// children of the given image. The index of the pools and images arrays can be
-// used to link the two items together.
-//
-// Implements:
-//   ssize_t rbd_list_children(rbd_image_t image, char *pools,
-//                             size_t *pools_len,
-//                             char *images, size_t *images_len);
-func (image *Image) ListChildren() (pools []string, images []string, err error) {
-	if err := image.validate(imageIsOpen); err != nil {
-		return nil, nil, err
-	}
-
-	var c_pools_len, c_images_len C.size_t
-
-	ret := C.rbd_list_children(image.image,
-		nil, &c_pools_len,
-		nil, &c_images_len)
-	if ret == 0 {
-		return nil, nil, nil
-	}
-	if ret < 0 && ret != -C.ERANGE {
-		return nil, nil, rbdError(ret)
-	}
-
-	pools_buf := make([]byte, c_pools_len)
-	images_buf := make([]byte, c_images_len)
-
-	ret = C.rbd_list_children(image.image,
-		(*C.char)(unsafe.Pointer(&pools_buf[0])),
-		&c_pools_len,
-		(*C.char)(unsafe.Pointer(&images_buf[0])),
-		&c_images_len)
-	if ret < 0 {
-		return nil, nil, rbdError(ret)
-	}
-
-	pools = cutil.SplitSparseBuffer(pools_buf[:c_pools_len])
-	images = cutil.SplitSparseBuffer(images_buf[:c_images_len])
-	return pools, images, nil
-}