On 09/18/2017 09:27 AM, Christoph Hellwig wrote: > On Mon, Sep 18, 2017 at 08:26:05PM +0530, Abdul Haleem wrote: >> Hi, >> >> A warning is triggered from: >> >> file fs/iomap.c in function iomap_dio_rw >> >> if (ret) >> goto out_free_dio; >> >> ret = invalidate_inode_pages2_range(mapping, >> start >> PAGE_SHIFT, end >> PAGE_SHIFT); >>>> WARN_ON_ONCE(ret); >> ret = 0; >> >> inode_dio_begin(inode); > > This is expected and an indication of a problematic workload - which > may be triggered by a fuzzer.
If it's expected, why don't we kill the WARN_ON_ONCE()? I get it all the time running xfstests as well. -- Jens Axboe
