shithub: gefs

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snap: special case freeing of snap deadlist

--- a/snap.c

+++ b/snap.c

@@ -126,6 +126,8 @@

 {

 	Dlist *dt;

+	if(dl == &fs->snapdl)

+		return;

 	dlcachedel(dl, 0);

 	dl->cprev = nil;

 	dl->cnext = fs->dlhead;

@@ -506,7 +508,8 @@

 		if(clear){

 			if(dl->ins != nil)

 				dropblk(dl->ins);

-			free(dl);

+			if(dl != &fs->snapdl)

+				free(dl);

 		}

 	}

 	if(clear){