shithub: gefs

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snap: set the prev gen correctly

TODO: update it correctly.

--- a/snap.c

+++ b/snap.c

@@ -407,10 +407,7 @@

 	t->nsucc = 0;

 	t->ht = o->ht;

 	t->bp = o->bp;

-	if(o->nlbl == 0 && o->nsucc == 1)

-		t->prev = o->prev;

-	else

-		t->prev = o->gen;

+	t->prev = o->gen;

 	t->gen = aincv(&fs->nextgen, 1);

 	m[1].op = Oinsert;