static int farm_restore(const struct siocb *iocb)
{
int ret = SD_RES_EIO, epoch = iocb->epoch;
sd_dprintf("try recover user epoch %d", epoch);
/* Remove all the objects of WD and object cache */
for_each_object_in_wd(rm_object, true, NULL);
if (sys->enable_object_cache)
object_cache_format();
ret = restore_objects_from_snap(epoch);
if (ret != SD_RES_SUCCESS)
goto out;
out:
return ret;
}
int default_format(void)
{
unsigned ret;
sd_dprintf("try get a clean store\n");
ret = rmdir_r(obj_path);
if (ret && ret != -ENOENT) {
sd_eprintf("failed to remove %s: %s\n",
obj_path, strerror(-ret));
return SD_RES_EIO;
}
if (mkdir(obj_path, def_dmode) < 0) {
sd_eprintf("%m\n");
return SD_RES_EIO;
}
if (is_object_cache_enabled())
object_cache_format();
return SD_RES_SUCCESS;
}
