fs: Give dentry to inode_change_ok() instead of inode

inode_change_ok() will be resposible for clearing capabilities and IMA
extended attributes and as such will need dentry. Give it as an argument
to inode_change_ok() instead of an inode. Also rename inode_change_ok()
to setattr_prepare() to better relect that it does also some
modifications in addition to checks.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>

fs/orangefs/inode.c

@@ -219,7 +219,7 @@ int orangefs_setattr(struct dentry *dentry, struct iattr *iattr)
 		     "orangefs_setattr: called on %s\n",
 		     dentry->d_name.name);
 
-	ret = inode_change_ok(inode, iattr);
+	ret = setattr_prepare(dentry, iattr);
 	if (ret)
 		goto out;