tree 2d6fa2bef00efa759f36b17f3be0d4fab3ac9bb5
parent f8ad9c4bae99854c961ca79ed130a0d11d9ab53c
author Al Viro <viro@zeniv.linux.org.uk> 1300273180 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1300308486 -0400

vfs: new superblock methods to override /proc/*/mount{s,info}

a) ->show_devname(m, mnt) - what to put into devname columns in mounts,
mountinfo and mountstats
b) ->show_path(m, mnt) - what to put into relative path column in mountinfo

Leaving those NULL gives old behaviour.  NFS switched to using those.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>