Re: [PATCH 1/4] file: export __alloc_fd()

[Martijn Coenen]

On Tue, Jul 31, 2018 at 12:07 PM, Christian Brauner
<christian@xxxxxxxxxx> wrote:
> Ah, this wasn't brought up in the original thread when discussing to
> turn this into a module. If using internal functions like this is going
> away it makes sense to wait for this work to happen first. Is there a
> time-frame for this?

Not yet, it depends on the solution and who has cycles to work on it.

Martijn

>
> Thanks!
> Christian
>
>>
>> >
>> > But I think the binder user-space API relies on this.  The userspace API
>> > seems to rely on passing fd numbers around ... but I'm having trouble
>> > figuring most of this user API out.  Perhaps Martijn can help here.
>>
>> The UAPI does expect a file descriptor, but we may be able to do the
>> mapping from fd to struct file (and vice-versa) in the kernel driver,
>> so userspace wouldn't notice.
>>
>> Thanks,
>> Martijn