Jonathan McDowell wrote: > Sorry, yes, though further investigating I can see this happening on > exports that are JFS on the server side, so I'm not sure the patches > already in this bug report are applicable. Do you have logs of the failure? JFS uses 32-bit readdir cookies but if I understand fs/jfs/jfs_dtree.c::add_index() correctly then they are sequential, unlike the hashes ext2/3/4 use.