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Date:   Thu, 24 Feb 2022 19:40:51 +0000
From:   Matthew Wilcox <willy@infradead.org>
To:     Naresh Kamboju <naresh.kamboju@linaro.org>
Cc:     LTP List <ltp@lists.linux.it>,
        open list <linux-kernel@vger.kernel.org>,
        linux-fsdevel@vger.kernel.org, regressions@lists.linux.dev,
        lkft-triage@lists.linaro.org,
        Andrew Morton <akpm@linux-foundation.org>,
        David Hildenbrand <david@redhat.com>,
        Kees Cook <keescook@chromium.org>,
        Alexey Dobriyan <adobriyan@gmail.com>,
        Luis Chamberlain <mcgrof@kernel.org>,
        Muchun Song <songmuchun@bytedance.com>,
        Peter Xu <peterx@redhat.com>,
        Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: [next] LTP: readahead02.c:295: TFAIL: readahead failed to save
 any I/O
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On Thu, Feb 24, 2022 at 02:57:59PM +0530, Naresh Kamboju wrote:
> On Linux next 20220222 tag LTP syscalls test case readahead02 failed.
> Please find detail test output on below link [1]
> 
> test failed log:
> --------------------
> readahead02.c:181: TPASS: offset is still at 0 as expected
> readahead02.c:285: TINFO: read_testfile(0) took: 37567 usec
> readahead02.c:286: TINFO: read_testfile(1) took: 37263 usec
> readahead02.c:288: TINFO: read_testfile(0) read: 0 bytes
> readahead02.c:290: TINFO: read_testfile(1) read: 0 bytes
> readahead02.c:295: TFAIL: readahead failed to save any I/O

Confirmed, I can reproduce this with the folio tree.  Will work on
this once I've disposed of the other bug I'm looking at right now.