linux-kernel - Re: [PATCH v3 0/9] Add a new LOOP_SET_FD_AND

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Message-ID: <CAB0TPYEkuCe-z2nNDRadGV3ASFXdZ3OVcB16yZ4PnNc2cokHAw@mail.gmail.com>
Date:   Wed, 29 Apr 2020 16:06:00 +0200
From:   Martijn Coenen <maco@...roid.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Jens Axboe <axboe@...nel.dk>, Ming Lei <ming.lei@...hat.com>,
        Narayan Kamath <narayan@...gle.com>,
        Zimuzo Ezeozue <zezeozue@...gle.com>, kernel-team@...roid.com,
        linux-block <linux-block@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Martijn Coenen <maco@...gle.com>,
        Bart Van Assche <bvanassche@....org>,
        Chaitanya Kulkarni <Chaitanya.Kulkarni@....com>,
        Jaegeuk Kim <jaegeuk@...nel.org>
Subject: Re: [PATCH v3 0/9] Add a new LOOP_SET_FD_AND_STATUS ioctl

On Tue, Apr 28, 2020 at 4:57 PM Martijn Coenen <maco@...roid.com> wrote:
> and it allows requesting a partition scan. It makes sense to maintain
> that behavior, but what about LO_FLAGS_DIRECT_IO? I think you're
> proposing LOOP_SET_STATUS(64) should keep ignoring that like it used
> to?

I've just sent a v4 which basically implements that and your other suggestions.

Thanks,
Martijn

>
> Thanks,
> Martijn
>
> > and then in the main function reject anything not known.
> >
> > And then maybe add something like 64 bytes of padding to the end of the
> > new structure, so that we can use flags to expand to it.