From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ming Lei <ming.lei@redhat.com>
Subject: Re: [PATCH V10 00/19] block: support multi-page bvec
Date: Sat, 17 Nov 2018 10:42:11 +0800
Message-ID: <20181117024209.GD8872@ming.t460p>
References: <20181115085306.9910-1-ming.lei@redhat.com>
 <20181116140314.GA7735@lst.de>
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To: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@kernel.dk>, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Dave Chinner <dchinner@redhat.com>, Kent Overstreet <kent.overstreet@gmail.com>, Mike Snitzer <snitzer@redhat.com>, dm-devel@redhat.com, Alexander Viro <viro@zeniv.linux.org.uk>, linux-fsdevel@vger.kernel.org, Shaohua Li <shli@kernel.org>, linux-raid@vger.kernel.org, linux-erofs@lists.ozlabs.org, David Sterba <dsterba@suse.com>, linux-btrfs@vger.kernel.org, "Darrick J . Wong" <darrick.wong@oracle.com>, linux-xfs@vger.kernel.org, Gao Xiang <gaoxiang25@huawei.com>, Theodore Ts'o <tytso@mit.edu>, linux-ext4@vger.kernel.org, Coly Li <colyli@suse.de>, linux-bcache@vger.kernel.org, Boaz Harrosh <ooo@electrozaur.com>, Bob Peterson <rpeterso@redhat.com>, cluster-devel@redhat
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On Fri, Nov 16, 2018 at 03:03:14PM +0100, Christoph Hellwig wrote:
> It seems like bi_phys_segments is still around of this series.
> Shouldn't it be superflous now?

Even though multi-page bvec is supported, the segment number doesn't
equal to the actual bvec count yet, for example, one bvec may be too
bigger to be held in one single segment.


Thanks,
Ming