diff -u ext2fs.orig/ext2_alloc.c ext2fs/ext2_alloc.c
--- ext2fs.orig/ext2_alloc.c	2009-08-18 20:32:13.000000000 -0500
+++ ext2fs/ext2_alloc.c	2009-08-28 09:44:04.000000000 -0500
@@ -1,4 +1,4 @@
-/*-
+w/*-
  *  modified for Lites 1.1
  *
  *  Aug 1995, Godmar Back (gback@cs.utah.edu)
@@ -441,7 +441,7 @@
 	/* if the next block is actually what we thought it is,
 	   then set the goal to what we thought it should be
 	*/
-	if(ip->i_next_alloc_block == lbn)
+	if(ip->i_next_alloc_block == lbn && ip->i_next_alloc_goal != 0)
 		return ip->i_next_alloc_goal;
 
 	/* now check whether we were provided with an array that basically
diff -u ext2fs.orig/ext2_inode.c ext2fs/ext2_inode.c
--- ext2fs.orig/ext2_inode.c	2009-08-18 20:32:13.000000000 -0500
+++ ext2fs/ext2_inode.c	2009-09-01 13:29:55.000000000 -0500
@@ -126,16 +126,11 @@
 	long count, nblocks, blocksreleased = 0;
 	int aflags, error, i, allerror;
 	off_t osize;
-/*
-printf("ext2_truncate called %d to %d\n", VTOI(ovp)->i_number, length);
-*/	/* 
-	 * negative file sizes will totally break the code below and
-	 * are not meaningful anyways.
-	 */
+
+	oip = VTOI(ovp);	 
 	if (length < 0)
-	    return EFBIG;
+		return (EINVAL);
 
-	oip = VTOI(ovp);
 	if (ovp->v_type == VLNK &&
 	    oip->i_size < ovp->v_mount->mnt_maxsymlinklen) {
 #ifdef DIAGNOSTIC
@@ -157,23 +152,29 @@
 	/*
 	 * Lengthen the size of the file. We must ensure that the
 	 * last byte of the file is allocated. Since the smallest
-	 * value of oszie is 0, length will be at least 1.
+	 * value of osize is 0, length will be at least 1.
 	 */
 	if (osize < length) {
 		if (length > oip->i_e2fs->fs_maxfilesize)
 			return (EFBIG);
+		vnode_pager_setsize(ovp, length);
 		offset = blkoff(fs, length - 1);
 		lbn = lblkno(fs, length - 1);
 		aflags = B_CLRBUF;
 		if (flags & IO_SYNC)
 			aflags |= B_SYNC;
-		vnode_pager_setsize(ovp, length);
-		if ((error = ext2_balloc(oip, lbn, offset + 1, cred, &bp,
-		    aflags)) != 0)
+		error = ext2_balloc(oip, lbn, offset + 1, cred, &bp, aflags)
+		if (error) {
+			vnode_pager_setsize(vp, osize);
 			return (error);
+		}
 		oip->i_size = length;
-		if (aflags & IO_SYNC)
+		if (bp->b_bufsize == fs->fs_bsize)
+			bp->b_flags |= B_CLUSTEROK;
+		if (aflags & B_SYNC)
 			bwrite(bp);
+		else if (ovp->v_mount->mnt_flag & MNT_ASYNC)
+			bdwrite(bp);
 		else
 			bawrite(bp);
 		oip->i_flag |= IN_CHANGE | IN_UPDATE;
@@ -195,15 +196,19 @@
 		aflags = B_CLRBUF;
 		if (flags & IO_SYNC)
 			aflags |= B_SYNC;
-		if ((error = ext2_balloc(oip, lbn, offset, cred, &bp,
-		    aflags)) != 0)
+		error = ext2_balloc(oip, lbn, offset, cred, &bp, aflags)
+		if (error)
 			return (error);
 		oip->i_size = length;
 		size = blksize(fs, oip, lbn);
 		bzero((char *)bp->b_data + offset, (u_int)(size - offset));
 		allocbuf(bp, size);
-		if (aflags & IO_SYNC)
+		if (bp->b_bufsize == fs->fs_bsize)
+			bp->b_flags |= B_CLUSTEROK;
+		if (aflags & B_SYNC)
 			bwrite(bp);
+		else if (ovp->v_mount->mnt_flag & MNT_ASYNC)
+			bdwrite(bp);
 		else
 			bawrite(bp);
 	}
@@ -247,6 +252,7 @@
 	error = vtruncbuf(ovp, cred, td, length, (int)fs->s_blocksize);
 	if (error && (allerror == 0))
 		allerror = error;
+	vnode_pager_setsize(ovp, length);
 
 	/*
 	 * Indirect blocks first.
diff -u ext2fs.orig/ext2_vfsops.c ext2fs/ext2_vfsops.c
--- ext2fs.orig/ext2_vfsops.c	2009-08-18 20:32:13.000000000 -0500
+++ ext2fs/ext2_vfsops.c	2009-08-27 21:44:12.000000000 -0500
@@ -171,8 +171,6 @@
 			flags = WRITECLOSE;
 			if (mp->mnt_flag & MNT_FORCE)
 				flags |= FORCECLOSE;
-			if (vfs_busy(mp, LK_NOWAIT, 0, td))
-				return (EBUSY);
 			error = ext2_flushfiles(mp, flags, td);
 			vfs_unbusy(mp, td);
 			if (!error && fs->s_wasvalid) {
@@ -500,6 +498,7 @@
  *	4) invalidate all inactive vnodes.
  *	5) invalidate all cached file data.
  *	6) re-read inode data for all active vnodes.
+ * XXX we are missing some steps, in particular # 3
  */
 static int
 ext2_reload(struct mount *mp, struct thread *td)
@@ -1007,8 +1006,8 @@
 		 * still zero, it will be unlinked and returned to the free
 		 * list by vput().
 		 */
-		vput(vp);
 		brelse(bp);
+		vput(vp);
 		*vpp = NULL;
 		return (error);
 	}
@@ -1032,7 +1031,7 @@
 /*
 	ext2_print_inode(ip);
 */
-	brelse(bp);
+	bqrelse(bp);
 
 	/*
 	 * Initialize the vnode from the inode, check for aliases.