GFS2: Reduce struct gfs2_trans in size

A couple of "int" fields were being used as boolean values
so we can make them bitfields of one bit, and put them in
what might otherwise be a hole in the structure with 64
bit alignment.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

fs/gfs2/incore.h

@@ -462,11 +462,11 @@ struct gfs2_trans {
 	unsigned int tr_blocks;
 	unsigned int tr_revokes;
 	unsigned int tr_reserved;
+	unsigned int tr_touched:1;
+	unsigned int tr_attached:1;
 
 	struct gfs2_holder tr_t_gh;
 
-	int tr_touched;
-	int tr_attached;
 
 	unsigned int tr_num_buf_new;
 	unsigned int tr_num_databuf_new;

fs/gfs2/trans.c

@@ -98,7 +98,7 @@ static void gfs2_print_trans(const struct gfs2_trans *tr)
 {
 	printk(KERN_WARNING "GFS2: Transaction created at: %pSR\n",
 	       (void *)tr->tr_ip);
-	printk(KERN_WARNING "GFS2: blocks=%u revokes=%u reserved=%u touched=%d\n",
+	printk(KERN_WARNING "GFS2: blocks=%u revokes=%u reserved=%u touched=%u\n",
 	       tr->tr_blocks, tr->tr_revokes, tr->tr_reserved, tr->tr_touched);
 	printk(KERN_WARNING "GFS2: Buf %u/%u Databuf %u/%u Revoke %u/%u\n",
 	       tr->tr_num_buf_new, tr->tr_num_buf_rm,