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SubjectRe: [PATCH] f2fs: introduce DEFAULT_IO_TIMEOUT_JIFFIES
On Mon, Dec 23, 2019 at 09:41:02AM +0100, Geert Uytterhoeven wrote:
> Hi,
>
> CC linux-fsdevel
>
> On Mon, Dec 23, 2019 at 5:01 AM Chao Yu <yuchao0@huawei.com> wrote:
> > As Geert Uytterhoeven reported:
> >
> > for parameter HZ/50 in congestion_wait(BLK_RW_ASYNC, HZ/50);
> >
> > On some platforms, HZ can be less than 50, then unexpected 0 timeout
> > jiffies will be set in congestion_wait().

It doesn't matter, congestion is broken and has been for years.

https://lore.kernel.org/linux-mm/20190923111900.GH15392@bombadil.infradead.org/

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