Hi!
Please pick the backports for the following upstream commits:
4fbc0c711b24 "ceph: remove the extra slashes in the server path" b27a939e8376 "ceph: canonicalize server path in place"
They fix an ancient bug that can be reproduced in kernels as old as 4.9 (I couldn't reproduced it with 4.4).
Cheers, -- Luis Henriques
Ilya Dryomov (1): ceph: canonicalize server path in place
Xiubo Li (1): ceph: remove the extra slashes in the server path