[GFS2] Add an additional argument to gfs2_trans_add_bh()

This adds an extra argument to gfs2_trans_add_bh() to indicate whether the
bh being added to the transaction is metadata or data. Its currently unused
since all existing callers set it to 1 (metadata) but following patches will
make use of it.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index 563c19d..0f356fc 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -456,7 +456,7 @@
 		ip->i_di.di_mode &= (ip->i_di.di_mode & S_IXGRP) ?
 			(~(S_ISUID | S_ISGID)) : (~S_ISUID);
 
-		gfs2_trans_add_bh(ip->i_gl, dibh);
+		gfs2_trans_add_bh(ip->i_gl, dibh, 1);
 		gfs2_dinode_out(&ip->i_di, dibh->b_data);
 		brelse(dibh);
 	}
@@ -481,7 +481,7 @@
 		ip->i_di.di_size = inode->i_size;
 	ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds();
 
-	gfs2_trans_add_bh(ip->i_gl, dibh);
+	gfs2_trans_add_bh(ip->i_gl, dibh, 1);
 	gfs2_dinode_out(&ip->i_di, dibh->b_data);
 	brelse(dibh);
 
@@ -721,7 +721,7 @@
 		ip->i_di.di_mode &= (ip->i_di.di_mode & S_IXGRP) ?
 					  (~(S_ISUID | S_ISGID)) : (~S_ISUID);
 
-		gfs2_trans_add_bh(ip->i_gl, dibh);
+		gfs2_trans_add_bh(ip->i_gl, dibh, 1);
 		gfs2_dinode_out(&ip->i_di, dibh->b_data);
 		brelse(dibh);
 	}
@@ -752,7 +752,7 @@
 			ip->i_di.di_size = inode->i_size;
 		ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds();
 
-		gfs2_trans_add_bh(ip->i_gl, dibh);
+		gfs2_trans_add_bh(ip->i_gl, dibh, 1);
 		gfs2_dinode_out(&ip->i_di, dibh->b_data);
 		brelse(dibh);
 	}
@@ -1177,7 +1177,7 @@
 
 		ip->i_di.di_flags = flags;
 
-		gfs2_trans_add_bh(ip->i_gl, dibh);
+		gfs2_trans_add_bh(ip->i_gl, dibh, 1);
         	gfs2_dinode_out(&ip->i_di, dibh->b_data);
 
         	brelse(dibh);