Re: improve the bio allocation interface

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On 1/18/22 12:19 AM, Christoph Hellwig wrote:
> Hi Jens,
> 
> this series is posted early because it has wide-ranging changes and
> could use some early ACKs before -rc1.
> 
> It changes the interface to the bio allocators to always pass a
> block_device and the operation, which is information needed for every
> bio submitted through bio_submit.  This means the fields can be
> directly initialized in bio_init instead of first being zeroed and
> thus should help to micro-optimize even better than the __bio_set_dev
> that Pavel proposed while also cleaning up code.

Looks pretty straight forward from the block core point of view. Didn't
look too closely at the fs/driver changes yet.

-- 
Jens Axboe





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