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SubjectRe: clean up kernel_{read,write} & friends v2
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On Wed, May 13, 2020 at 08:56:42AM +0200, Christoph Hellwig wrote:
> Hi Al,
>
> this series fixes a few issues and cleans up the helpers that read from
> or write to kernel space buffers, and ensures that we don't change the
> address limit if we are using the ->read_iter and ->write_iter methods
> that don't need the changed address limit.
>
> Changes since v1:
> - __kernel_write must not take sb_writers
> - unexported __kernel_write
---end quoted text---

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