Re: [PATCH v2] block: make sure big bio is splitted into at most 256 bvecs

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To: Eric Wheeler <bcache@xxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH v2] block: make sure big bio is splitted into at most 256 bvecs
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 11 Aug 2016 07:02:53 -0700
Cc: Ming Lei <ming.lei@xxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-bcache@xxxxxxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, kent.overstreet@xxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Sebastian Roesner <sroesner-kernelorg@xxxxxxxxxxxxxxxxx>, "4.3+" <stable@xxxxxxxxxxxxxxx>, Shaohua Li <shli@xxxxxx>
In-reply-to: <alpine.LRH.2.11.1608102132120.10662@mail.ewheeler.net>
User-agent: Mutt/1.6.1 (2016-04-27)

Please just fix bcache to not submit bios larger than BIO_MAX_PAGES for
now, until we can support such callers in general and enable common
used code to do so.
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- Re: [PATCH v2] block: make sure big bio is splitted into at most 256 bvecs
  - From: Eric Wheeler

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