libzfs_dataset.c: Wire in snapshot exclusions via 'FQexclude_snapshot()'

lib/libzfs/libzfs_dataset.c

@@ -63,6 +63,8 @@
 #include <libzfs.h>
 #include <libzutil.h>
 
+#include <libzfs_FQ.h>
+
 #include "zfs_namecheck.h"
 #include "zfs_prop.h"
 #include "libzfs_impl.h"
@@ -4235,8 +4237,16 @@ zfs_snapshot_nvl(libzfs_handle_t *hdl, nvlist_t *snaps, nvlist_t *props)
 			    "cannot create snapshot '%s'"), snapname);
 			return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf));
 		}
+
+		if (FQexclude_snapshot(hdl, snapname)) {
+//FQdebug("skipping: %s\n", snapname);
+			fnvlist_remove_nvpair(snaps, elem);
+		}
 	}
 
+	if (nvlist_empty(snaps))
+		return (0);
+
 	/*
 	 * get pool handle for prop validation. assumes all snaps are in the
 	 * same pool, as does lzc_snapshot (below).