Re: [PATCH v2 5/9] iomap: introduce IOMAP_F_ZERO_TAIL flag

[Namjae Jeon]

>
> Hi, Namjae
Hi Chi,
>
> While testing this patch series, I found that generic/299 can cause my
> virtual machine to become unresponsive for a long time. Calling
> balance_dirty_pages_ratelimited in the loop of iomap_zero_iter can
> resolve this issue, so perhaps we need to add this change.
I agree that this should be fixed with a separate patch as you
suggested. I would be very grateful if you could send a patch for this
fix. I will also take a look.
>
> I am continuing to test this patch series, but I'm not sure I will be
> able to find all possible issues :)
Let me know if you find more issues.
Thanks!