Re: [PATCHv3 1/4] zram: introduce writeback bio batching support

[Yuwen Chen]

On Mon, 17 Nov 2025 10:19:22 -0500, Brian Geffon wrote:
> Out of curiosity, why are we doing 1 page per bio? Why are we not
> adding BIO_MAX_VECS before submitting? And then, why are we not
> chaining? Do the block layer maintainers have thoughts?

Mainly because the zram backend device is quite special. When
performing the writeback operation, the probability of continuous
writing is relatively low. If BIO_MAX_VECS is used, it will make
the logic extremely complex. Thank you very much!