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Add ARef::into_raw #1056

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@Kartik1397 Kartik1397 commented Jan 15, 2024

Closes: #1044

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Opened this PR for the initial review.

@Kartik1397 Kartik1397 marked this pull request as ready for review January 16, 2024 14:39
@y86-dev
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y86-dev commented Jan 24, 2024

Thanks for the patch!

I think it would be a good idea to mention that this function does not decrement the reference count.

For the example it would be very nice to not have to create an Empty type that implements AlwaysRefCounted. In the rust-dev branch you could use File .

Add the function `into_raw` to `ARef<T>`. This method
can be used to turn an `ARef` into a raw pointer.

Signed-off-by: Kartik Prajapati <kartikprajapati987@gmail.com>
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Thanks for checking the patch @y86-dev!

I think it would be a good idea to mention that this function does not decrement the reference count.

I've added this as a note in doc comment.

For the example it would be very nice to not have to create an Empty type that implements AlwaysRefCounted. In the rust-dev branch you could use File.

In rust-next only struct Task implements AlwaysRefCounted trait. Should I try to write an example using Task?
Also, do changes to rust-dev branch also go through the mailing list or github PR?

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ojeda commented Jan 25, 2024

Everything for upstream goes through the mailing list -- please see https://rust-for-linux.com/contributing#the-kernel-development-process.

While File is not yet in rust-next, it may land relatively soon. So if you wish to use File, you could send the patch on top of the File patch series.

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While File is not yet in rust-next, it may land relatively soon. So if you wish to use File, you could send the patch on top of the File patch series.

To send a patch on top of another patch series, do I need to do anything apart from mentioning dependent patch in commit message as described in this doc?

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ojeda commented Jan 27, 2024

That would be enough, yeah (below the --- marker, i.e. outside the commit message itself). Ideally, you can put the URL to the patch series you used, to be unambiguous. For instance: https://lore.kernel.org/rust-for-linux/20240118-alice-file-v3-0-9694b6f9580c@google.com/

Thanks!

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@ojeda this patch when upstream? or I can take to push it to the finish line?

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ojeda commented Mar 20, 2024

I don't think it was sent to the mailing list.

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ojeda commented Mar 20, 2024

@Kartik1397 Do you plan to send this to the mailing list, or would you prefer that @vincenzopalazzo sends it on your behalf? (you would still be mentioned as author or co-author)

Thanks!

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@ojeda I wouldn't be able to work on this for at least two more weeks as I'm currently engaged in another project.
@vincenzopalazzo Feel free to take this patch and push it to the finish line. This would be great!

Thanks!

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Add ARef::into_raw
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