diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 100672d..01f89c7 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -776,9 +776,9 @@
 				goto got_dent;
 			leaf = (struct gfs2_leaf *)bh->b_data;
 			ln = be64_to_cpu(leaf->lf_next);
+			brelse(bh);
 			if (!ln)
 				break;
-			brelse(bh);
 			error = get_leaf(ip, ln, &bh);
 		} while(!error);
 
@@ -790,7 +790,7 @@
 		return ERR_PTR(error);
 	dent = gfs2_dirent_scan(inode, bh->b_data, bh->b_size, scan, name, NULL);
 got_dent:
-	if (unlikely(IS_ERR(dent))) {
+	if (unlikely(dent == NULL || IS_ERR(dent))) {
 		brelse(bh);
 		bh = NULL;
 	}
@@ -1477,7 +1477,6 @@
 		brelse(bh);
 		return 0;
 	}
-	brelse(bh);
 	return -ENOENT;
 }
 
@@ -1619,7 +1618,6 @@
 	   previous entry otherwise */
 	dent = gfs2_dirent_search(dip->i_vnode, name, gfs2_dirent_prev, &bh);
 	if (!dent) {
-		brelse(bh);
 		gfs2_consist_inode(dip);
 		return -EIO;
 	}
@@ -1680,7 +1678,6 @@
 
 	dent = gfs2_dirent_search(dip->i_vnode, filename, gfs2_dirent_find, &bh);
 	if (!dent) {
-		brelse(bh);
 		gfs2_consist_inode(dip);
 		return -EIO;
 	}
@@ -1961,7 +1958,6 @@
 
 	dent = gfs2_dirent_search(inode, name, gfs2_dirent_find_space, &bh);
 	if (!dent) {
-		brelse(bh);
 		return 1;
 	}
 	if (IS_ERR(dent))
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 0b26d6a..b0dd0b9 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -412,11 +412,13 @@
 	struct list_head *head = &sdp->sd_log_flush_list;
 	struct gfs2_log_buf *lb;
 	struct buffer_head *bh;
+#if 0
 	unsigned int d;
 
 	d = log_distance(sdp, sdp->sd_log_flush_head, sdp->sd_log_head);
 
 	gfs2_assert_withdraw(sdp, d + 1 == sdp->sd_log_blks_reserved);
+#endif
 
 	while (!list_empty(head)) {
 		lb = list_entry(head->next, struct gfs2_log_buf, lb_list);
@@ -483,6 +485,7 @@
 	sdp->sd_log_head = sdp->sd_log_flush_head;
 
 	/* printk(KERN_INFO "sd_log_num_hdrs %u\n", sdp->sd_log_num_hdrs); */
+	sdp->sd_log_blks_free -= sdp->sd_log_num_hdrs;
 
 	sdp->sd_log_blks_reserved =
 		sdp->sd_log_commited_buf =
@@ -515,8 +518,7 @@
 	gfs2_assert_withdraw(sdp, ((int)sdp->sd_log_commited_revoke) >= 0);
 
 	if (sdp->sd_log_commited_buf)
-		reserved += 1 + sdp->sd_log_commited_buf +
-			    sdp->sd_log_commited_buf/503;
+		reserved += sdp->sd_log_commited_buf;
 	if (sdp->sd_log_commited_revoke)
 		reserved += gfs2_struct2blk(sdp, sdp->sd_log_commited_revoke,
 					    sizeof(uint64_t));
@@ -527,7 +529,8 @@
 
 	gfs2_assert_withdraw(sdp, sdp->sd_log_blks_free >= old);
 	gfs2_assert_withdraw(sdp,
-			     sdp->sd_log_blks_free <= sdp->sd_jdesc->jd_blocks);
+			     sdp->sd_log_blks_free <= sdp->sd_jdesc->jd_blocks +
+			     sdp->sd_log_num_hdrs);
 
 	sdp->sd_log_blks_reserved = reserved;
 
@@ -582,6 +585,7 @@
 
 	log_write_header(sdp, GFS2_LOG_HEAD_UNMOUNT, 0);
 
+	/* printk(KERN_INFO "sd_log_blks_free %u, sd_jdesc->jd_blocks %u\n", sdp->sd_log_blks_free, sdp->sd_jdesc->jd_blocks); */
 	gfs2_assert_withdraw(sdp, sdp->sd_log_blks_free ==
 			     sdp->sd_jdesc->jd_blocks);
 	gfs2_assert_withdraw(sdp, sdp->sd_log_head == sdp->sd_log_tail);
diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c
index 061f4a9..6b02d8c 100644
--- a/fs/gfs2/trans.c
+++ b/fs/gfs2/trans.c
@@ -44,7 +44,7 @@
 	tr->tr_revokes = revokes;
 	tr->tr_reserved = 1;
 	if (blocks)
-		tr->tr_reserved += 1 + blocks;
+		tr->tr_reserved += 6 + blocks;
 	if (revokes)
 		tr->tr_reserved += gfs2_struct2blk(sdp, revokes,
 						   sizeof(uint64_t));
@@ -83,20 +83,15 @@
 
 void gfs2_trans_end(struct gfs2_sbd *sdp)
 {
-	struct gfs2_trans *tr;
+	struct gfs2_trans *tr = current->journal_info;
 
-	tr = current->journal_info;
+	BUG_ON(!tr);
 	current->journal_info = NULL;
 
-	if (gfs2_assert_warn(sdp, tr))
-		return;
-
 	if (!tr->tr_touched) {
 		gfs2_log_release(sdp, tr->tr_reserved);
-
 		gfs2_glock_dq(&tr->tr_t_gh);
 		gfs2_holder_uninit(&tr->tr_t_gh);
-
 		kfree(tr);
 		return;
 	}
@@ -113,10 +108,8 @@
 	}
 
 	gfs2_log_commit(sdp, tr);
-
         gfs2_glock_dq(&tr->tr_t_gh);
         gfs2_holder_uninit(&tr->tr_t_gh);
-
         kfree(tr);
 
 	if (sdp->sd_vfs->s_flags & MS_SYNCHRONOUS)