This is solved by making sure that ext3_expand_extra_isize isn't
called from ext3_xattr_set_handle.
+Severity : normal
+Bugzilla : 14594
+Description: soft lockups on 1.6.2 MDS (is_subdir)
+Details : don't add dentries with ".." to dcache and ignore such dentries in
+ iopen_lookup().
+
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2008-01-11 Sun Microsystems, Inc.