Re: [RFC][PATCH v2 0/5] Experiments with overlayfs filemap

Amir Goldstein
2019-02-01T13:25:26Z

> That was just a stupid bug in truncate (truncating ovl page with upper
> inode lock held -> ABBA deadlock).
>
> Attached the fix for that one.
>

BTW, your patch includes another change, but:
RWF_DIRECT flag for vfs_read_iter() should depend on upper
direct_IO() support.

Thanks,
Amir.