ocfs2: Rename ocfs2_meta_[un]lock

Call this the "inode_lock" now, since it covers both data and meta data.
This patch makes no functional changes.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 8f09f52..6df4dbf 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -114,7 +114,7 @@
 
 	if (inode) {
 		if (ac->ac_which != OCFS2_AC_USE_LOCAL)
-			ocfs2_meta_unlock(inode, 1);
+			ocfs2_inode_unlock(inode, 1);
 
 		mutex_unlock(&inode->i_mutex);
 
@@ -412,7 +412,7 @@
 
 	mutex_lock(&alloc_inode->i_mutex);
 
-	status = ocfs2_meta_lock(alloc_inode, &bh, 1);
+	status = ocfs2_inode_lock(alloc_inode, &bh, 1);
 	if (status < 0) {
 		mutex_unlock(&alloc_inode->i_mutex);
 		iput(alloc_inode);