shithub: gefs

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blk: nil logtl means there's no update to do

--- a/blk.c

+++ b/blk.c

@@ -1124,6 +1124,10 @@

 	for(i = 0; i < fs->narena; i++){

 		a = &fs->arenas[i];

 		lock(a);

+		if(a->logtl == nil){

+			unlock(a);

+			continue;

+		}

 		if(a->deferhd.addr != -1){

 			chainlog(a->logtl, a->deferhd.addr);

 			loadlog(a, a->deferhd);

@@ -1167,7 +1171,7 @@

 		sysfatal("sync sb: %r");

 	if(syncblk(fs->sb1) == -1)

 		sysfatal("sync sb: %r");

-

+	fs->snap.dirty = 0;

 	/*

 	 * pass 3: sync block footers; if we crash here,

 	 *  the block headers are consistent, and we can