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@xxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxxxxx/
