[PATCH v2 04/16] fs: Increase fmode_t size

[John Garry]

> But even without that do we even need to increase it?  There's
> still quite a lot of space after FMODE_EXEC for example.

Right, I can use the space after FMODE_EXEC, which came free after 
removal of FMODE_NDELAY, FMODE_EXCL, and FMODE_WRITE_IOCTL in v6.5.

Thanks,
John