Re: [PATCH 09/13] iomap: don't chain bios

Christoph Hellwig
2023-11-27T13:51:21Z

On Mon, Nov 27, 2023 at 08:53:22PM +0800, Zhang Yi wrote:
> A nice cleanup! I'm just a little curious about the writeback performance
> impact of this patch. Do you have any actual test data on xfs?

I've only tested the entire series, not this patch specifically. The
throughput doesn't change at all in my testing, and cpu usage goes
down a tiny amount, although it's probably below the measurement
tolerance.