Function dsl_sync_task

freebsd/contrib/openzfs/module/zfs/dsl_synctask.c:127–134

* Called from open context to perform a callback in syncing context. Waits * for the operation to complete. * * The checkfunc will be called from open context as a preliminary check * which can quickly fail. If it succeeds, it will be called again from * syncing context. The checkfunc should generally be designed to work * properly in either context, but if necessary it can check * dmu_t

 * the dataset.
 */
int
dsl_sync_task(const char *pool, dsl_checkfunc_t *checkfunc,
    dsl_syncfunc_t *syncfunc, void *arg,
    int blocks_modified, zfs_space_check_t space_check)
{
	return (dsl_sync_task_common(pool, checkfunc, syncfunc, NULL, arg,
	    blocks_modified, space_check, B_FALSE));
}

/*
 * An early synctask works exactly as a standard synctask with one important