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Date: Tue, 5 Apr 2016 16:36:04 -0800
From: Kent Overstreet <kent.overstreet@gmail.com>
To: Shaohua Li <shli@fb.com>
Cc: Jeff Moyer <jmoyer@redhat.com>, Ming Lei <ming.lei@canonical.com>,
        Jens Axboe <axboe@fb.com>, linux-kernel@vger.kernel.org,
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        Eric Wheeler <bcache@lists.ewheeler.net>,
        Sebastian Roesner <sroesner-kernelorg@roesner-online.de>,
        "4.2+" <stable@vger.kernel.org>
Subject: Re: [PATCH] block: make sure big bio is splitted into at most 256
 bvecs
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On Tue, Apr 05, 2016 at 05:30:07PM -0700, Shaohua Li wrote:
> this one:
> http://marc.info/?l=linux-kernel&m=145926976808760&w=2

Ah. that patch won't actually fix the bug, since md isn't using
blk_default_limits, it's using blk_set_stacking_limits().