Crash in bm_evict_inode() during shutdown.

[Stanislaw Gruszka]

On 4.14-rc4 updated today, I have OOPS on bm_evict_inode(). It happens
every time during shutdown of the system.

Seems e = inode->i_private is NULL and e->flags crashes.

Picture with the OOPS call trace is here:
http://people.redhat.com/sgruszka/DSC_0733.JPG

Thanks
Stanislaw