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Message-ID: <5691AC2E.2050403@cs.wisc.edu>
Date: Sat, 09 Jan 2016 18:56:14 -0600
From: Mike Christie <michaelc@...wisc.edu>
To: device-mapper development <dm-devel@...hat.com>,
mchristi@...hat.com
CC: linux-bcache@...r.kernel.org, linux-block@...r.kernel.org,
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philipp.reisner@...bit.com, linux-f2fs-devel@...ts.sourceforge.net,
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lars.ellenberg@...bit.com, linux-ext4@...r.kernel.org,
linux-btrfs@...r.kernel.org, drbd-dev@...ts.linbit.com
Subject: Re: [dm-devel] [PATCH 02/35] block: add REQ_OP definitions and bi_op/op
fields
On 01/09/2016 07:37 AM, Christoph Hellwig wrote:
> Seems like this is missing REQ_OP_FLUSH, which still hides as a write?
>
I might have misunderstood what you wanted or am misunderstanding you now.
I did not change the flush related code until the last patches. I added
REQ_OP_FLUSH in patch:
[PATCH 33/35] block, drivers: add REQ_OP_FLUSH operation
commit 18dea20363ba245a47bc1bb54f6465b8a05b19af
Author: Mike Christie <mchristi@...hat.com>
Date: Tue Jan 5 21:02:17 2016 -0600
block, drivers: add REQ_OP_FLUSH operation
and I added the REQ_PREFLUSH flag in
[PATCH 35/35] block, drivers, fs: rename REQ_FLUSH to REQ_PREFLUSH
commit 303dc6a7cc3673065538ba041562fcd833a619af
Author: Mike Christie <mchristi@...hat.com>
Date: Thu Jan 7 18:17:03 2016 -0600
block, drivers, fs: rename REQ_FLUSH to REQ_PREFLUSH
I did them in separate patches, because I was not sure if they were
correct with what you requested before, and because they were a little
more tricky because of how request_fn drivers, make_request_fn drivers,
and dm-multipath handle flushes differently.
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