static int qemu_rbd_snap_remove(BlockDriverState *bs,
const char *snapshot_id,
const char *snapshot_name,
Error **errp)
{
BDRVRBDState *s = bs->opaque;
int r;
if (!snapshot_name) {
error_setg(errp, "rbd need a valid snapshot name");
return -EINVAL;
}
/* If snapshot_id is specified, it must be equal to name, see
qemu_rbd_snap_list() */
if (snapshot_id && strcmp(snapshot_id, snapshot_name)) {
error_setg(errp,
"rbd do not support snapshot id, it should be NULL or "
"equal to snapshot name");
return -EINVAL;
}
r = rbd_snap_remove(s->image, snapshot_name);
if (r < 0) {
error_setg_errno(errp, -r, "Failed to remove the snapshot");
}
return r;
}
static int qemu_rbd_snap_remove(BlockDriverState *bs,
const char *snapshot_name)
{
BDRVRBDState *s = bs->opaque;
int r;
r = rbd_snap_remove(s->image, snapshot_name);
return r;
}
void
check_clones()
{
char filename[1024];
char imagename[1024];
int ret, fd;
rbd_image_t cur_image;
struct stat file_info;
while (num_clones > 0) {
prt("checking clone #%d\n", num_clones);
--num_clones;
clone_imagename(imagename, sizeof(imagename), num_clones);
if ((ret = rbd_open(ioctx, imagename, &cur_image, NULL)) < 0) {
simple_err("check_clones: rbd open", ret);
exit(167);
}
clone_filename(filename, sizeof(filename), num_clones + 1);
if ((fd = open(filename, O_RDONLY)) < 0) {
simple_err("check_clones: open", -errno);
exit(168);
}
prt("checking image %s against file %s\n", imagename, filename);
if ((ret = fstat(fd, &file_info)) < 0) {
simple_err("check_clones: fstat", -errno);
exit(169);
}
if ((ret = pread(fd, good_buf, file_info.st_size, 0)) < 0) {
simple_err("check_clones: pread", -errno);
exit(170);
}
if ((ret = rbd_read(cur_image, 0, file_info.st_size, temp_buf)) < 0) {
simple_err("check_clones: rbd_read", ret);
exit(171);
}
close(fd);
check_buffers(0, file_info.st_size);
unlink(filename);
/* remove the snapshot if it exists, ignore
the error from the last clone. */
rbd_snap_unprotect(cur_image, "snap");
rbd_snap_remove(cur_image, "snap");
rbd_close(cur_image);
rbd_remove(ioctx, imagename);
}
}
void test_delete_snap(rbd_image_t image, const char *name)
{
assert(rbd_snap_remove(image, name) == 0);
}
