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gefs: disable online log compression

it seems buggy for now.

--- a/fs.c

+++ b/fs.c

@@ -2292,7 +2292,7 @@

 void

 runtasks(int id, void *)

 {

-	int i, c;

+//	int i, c;

 	Amsg *a;

 	while(1){

@@ -2317,18 +2317,19 @@

 		 * 1/4 of our reserved emergency space seems like a good

 		 * heuristic for big, but it was picked arbitrarily.

 		 */

-		qlock(&fs->synclk);

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

-			epochstart(id);

-			qlock(&fs->arenas[i]);

-			c = fs->arenas[i].nlog > fs->arenas[i].reserve/(4*Blksz);

-			if(c){

-				if(compresslog(&fs->arenas[i]) == -1)

-					fprint(2, "compress log: %r");

-			}

-			qunlock(&fs->arenas[i]);

-			epochend(id);

-		}

-		qunlock(&fs->synclk);

+USED(id);

+//		qlock(&fs->synclk);

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

+//			epochstart(id);

+//			qlock(&fs->arenas[i]);

+//			c = fs->arenas[i].nlog > fs->arenas[i].reserve/(4*Blksz);

+//			if(c){

+//				if(compresslog(&fs->arenas[i]) == -1)

+//					fprint(2, "compress log: %r");

+//			}

+//			qunlock(&fs->arenas[i]);

+//			epochend(id);

+//		}

+//		qunlock(&fs->synclk);

 	}

 }