On 28/06/24 15:51, Christoph Hellwig wrote: > On Fri, Jun 28, 2024 at 03:37:35PM +0300, Adrian Hunter wrote: >>> Hmm, I thought the conflusion was that it can be more, which is why >>> you proposed to increase it if the PAGE_SIZE is >= 64k. And based on >>> Jon's report at least for his tegra setups it works with 64k. >> >> There is a workaround in that case to split to 32KiB chunks > > Which I guess is less optimal than just using the block layer > splitting? Maybe add a big fat comment explaining this? Improving it looks straight forward, but then there is testing and checking the code for anything that might be assuming an sg element is not more than 64KiB. However it doesn't seem to offer any benefit, so it is difficult to justify doing.
