shithub: gefs

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blk: don't kill snap tree blocks

They have no dead list.

--- a/blk.c

+++ b/blk.c

@@ -831,7 +831,7 @@

 	Bfree *f;

 	dprint("[%s] free blk %B\n", (t == &fs->snap) ? "snap" : "data", bp);

-	if(t != nil && bp.gen <= t->gen){

+	if(t != nil && t != &fs->snap && bp.gen <= t->gen){

 		killblk(t, bp);

 		return;

 	}