linux-kernel - Re: [PATCH V12 00/20] block: support multi-page bvec

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Message-ID: <1983a2f5-07be-4102-fedc-54e2ad2e16dc@kernel.dk>
Date:   Wed, 28 Nov 2018 19:20:51 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Ming Lei <ming.lei@...hat.com>, Mike Snitzer <snitzer@...hat.com>,
        "Ewan D. Milne" <emilne@...hat.com>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Theodore Ts'o <tytso@....edu>,
        Omar Sandoval <osandov@...com>,
        Sagi Grimberg <sagi@...mberg.me>,
        Dave Chinner <dchinner@...hat.com>,
        Kent Overstreet <kent.overstreet@...il.com>,
        dm-devel@...hat.com, Alexander Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel@...r.kernel.org, Shaohua Li <shli@...nel.org>,
        linux-raid@...r.kernel.org, David Sterba <dsterba@...e.com>,
        linux-btrfs@...r.kernel.org,
        "Darrick J . Wong" <darrick.wong@...cle.com>,
        linux-xfs@...r.kernel.org, Gao Xiang <gaoxiang25@...wei.com>,
        Christoph Hellwig <hch@....de>, linux-ext4@...r.kernel.org,
        Coly Li <colyli@...e.de>, linux-bcache@...r.kernel.org,
        Boaz Harrosh <ooo@...ctrozaur.com>,
        Bob Peterson <rpeterso@...hat.com>, cluster-devel@...hat.com
Subject: Re: [PATCH V12 00/20] block: support multi-page bvec

On 11/28/18 6:30 PM, Ming Lei wrote:
>> I'm going back and forth on those one a bit. Any concerns with
>> pushing this to 4.22?
> 
> My only one concern is about the warning of
> "blk_cloned_rq_check_limits: over max segments limit" on dm multipath,
> and seems Ewan and Mike is waiting for this fix.

Not familiar with this issue, can you post a link to it? I'd be fine
working around anything until 4.22, it's not going to be a new issue.

-- 
Jens Axboe