shithub: gefs

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snap: the snap dlist does not get flushed to the tree

--- a/snap.c

+++ b/snap.c

@@ -19,9 +19,12 @@

 	enqueue(dl->ins);

 	dropblk(dl->ins);

 	dl->ins = nil;

-	m.op = Oinsert;

-	dlist2kv(dl, &m, kvbuf, sizeof(kvbuf));

-	btupsert(&fs->snap, &m, 1);

+	/* special case: the snap dlist has gen -1, skip it */

+	if(dl->gen != -1){

+		m.op = Oinsert;

+		dlist2kv(dl, &m, kvbuf, sizeof(kvbuf));

+		btupsert(&fs->snap, &m, 1);

+	}

 }

 static void

@@ -121,7 +124,7 @@

 {

 	Dlist *dt;

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

+	if(dl->gen == -1)

 		return;

 	dlcachedel(dl, 0);

 	while(fs->dltail != nil && fs->dlcount >= fs->dlcmax){

@@ -151,7 +154,7 @@

 	char *p;

 	bp = dl->hd;

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

+	if(dl->gen != -1){

 		m.op = Odelete;

 		dlist2kv(dl, &m, buf, sizeof(buf));

 		btupsert(&fs->snap, &m, 1);