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List:       dm-devel
Subject:    Re: [dm-devel] [PATCH 01/16] block: fix elevator init check
From:       Christoph Hellwig <hch () lst ! de>
Date:       2017-01-24 15:10:41
Message-ID: 20170124151041.GB27705 () lst ! de
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On Tue, Jan 24, 2017 at 08:06:39AM -0700, Jens Axboe wrote:
> We check for REQ_PREFLUSH | REQ_FUA in so many places though, might not
> be a bad idea to keep the helper but just make it take the opf and fix
> up the other locations too. The fact that PREFLUSH|FUA is the magic to
> check for is somewhat tribal knowledge.

I'll see if I can come up with something sensible.  The current
helper using the bio and the magic 0 value is not exactly helpful.

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