On Thu, Sep 24, 2020 at 06:19:03PM +0200, Sedat Dilek wrote: > On Thu, Sep 24, 2020 at 5:27 PM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > > > On Thu, Sep 24, 2020 at 05:21:00PM +0200, Sedat Dilek wrote: > > > Great and thanks. > > > > > > Can you send out a seperate patch and label it with "PATCH v5.9"? > > > I run: > > > $ git format-patch -1 --subject-prefix="PATCH v5.9" --signoff > > > > > > Normally, I catch patches from any patchwork URL in mbox format. > > > > Maybe wait a few hours for people to decide if they like the approach > > taken to fix the bug before diving into producing backports? > > That make sense. > > You have a test-case for me? > I have here Linux-Test-Project and FIO available. Qian reported preadv203.c could reproduce it easily on POWER and ARM. They have 64kB pages, so it's easier to hit. You need to have a filesystem with block size < page size to hit the problem. If you want to check that your test case hits the problem, stick a printk in iomap_page_create().
