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Message-ID: <20191231125239.GC6788@bombadil.infradead.org>
Date: Tue, 31 Dec 2019 04:52:39 -0800
From: Matthew Wilcox <willy@...radead.org>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Chao Yu <yuchao0@...wei.com>, Jaegeuk Kim <jaegeuk@...nel.org>,
linux-f2fs-devel@...ts.sourceforge.net,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Chao Yu <chao@...nel.org>,
Linux FS Devel <linux-fsdevel@...r.kernel.org>
Subject: Re: [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@...wei.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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