[GFS2] Drop log lock on I/O error & tidy up

This patch drops the log spinlock when an I/O error occurs
to avoid any possible problems in case of blocking or
recursion in the I/O error routine. It also has a few
cosmetic changes to tidy up various other files.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index 62a12a5..b25ec4c 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -213,8 +213,7 @@
 		if (error)
 			goto out_gunlock_q;
 
-		error = gfs2_trans_begin(sdp,
-					 sdp->sd_max_dirres +
+		error = gfs2_trans_begin(sdp, sdp->sd_max_dirres +
 					 al->al_rgd->rd_ri.ri_length +
 					 2 * RES_DINODE + RES_STATFS +
 					 RES_QUOTA, 0);
@@ -303,7 +302,7 @@
 	if (error)
 		goto out_gunlock;
 
-	error = gfs2_unlinki(dip, &dentry->d_name, ip,ul);
+	error = gfs2_unlinki(dip, &dentry->d_name, ip, ul);
 
 	gfs2_trans_end(sdp);