code: mafs

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fixed bug in flushtime

--- a/iobuf.c

+++ b/iobuf.c

@@ -13,7 +13,7 @@

 Extents memunits = {0};

 u8 *memunitpool = nil;

 u8 *memunitstart = nil;

-static lastflushtime = 0;

+static u64 lastflushtime = 0;

 static RWLock flushlck;

 /* using nunits + 1 for alignment */

@@ -65,12 +65,13 @@

 	Hiob *hp;

 	u64 nchecked, i;

+	nchecked = 0;

 Again:

 	for(i = 0; i < nbuckets; i++){

 		hp=&hiob[i];

 		qlock(hp);

 		if((p = hp->link) != nil){

-			for(p = hp->link->back; p != hp->link; p = p->back){

+			for(p = p->back; p != hp->link; p = p->back){

 				if(p->ref == 0 &&

 					p->atime < nsec()-Nrefresh){

 					if(canwlock(p)){

--- a/mafs.c

+++ b/mafs.c

@@ -80,9 +80,7 @@

 		and 1/3rd for the buffer cache

 	 */

 	if(nmemunits == 0)

-		nmemunits = size/Blocksize > 8*MiB ? 8*MiB : size/Blocksize;

-	if(nmemunits < 16*MiB)

-		nmemunits = 16*MiB;

+		nmemunits = size/Blocksize > 1*MiB ? 1*MiB : size/Blocksize;

 	if(nbuckets == 0)

 		nbuckets = nmemunits/(4*Ncollisions*Maxdatablockunits);

 	if(nbuckets == 0)