Re: [PATCH v2 22/35] vfs: don't open real

[Miklos Szeredi]

On Mon, May 7, 2018 at 12:27 PM, Amir Goldstein <amir73il@xxxxxxxxx> wrote:
> On Mon, May 7, 2018 at 11:37 AM, Miklos Szeredi <mszeredi@xxxxxxxxxx> wrote:
>> Let overlayfs do its thing when opening a file.
>>
>> This enables stacking and fixes the corner case when a file is opened for
>> read, modified through a writable open, and data is read from the read-only
>> file.  After this patch the read-only open will not return stale data even
>> in this case.
>>
>
> So now you can get rid of ovl_do_check_copy_up() and the check_copy_up
> module param ;-)

Ah, forgot about that one.   Indeed.

Thanks,
Miklos