linux-kernel - linux-next: build failure after merge of the block tree

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Message-Id: <20100803131202.422af85f.sfr@canb.auug.org.au>
Date:	Tue, 3 Aug 2010 13:12:02 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@....de>,
	Yehuda Sadeh <yehuda@...newdream.net>,
	Sage Weil <sage@...dream.net>
Subject: linux-next: build failure after merge of the block tree

Hi Jens,

After merging the block tree, today's linux-next build (x86_64
allmodconfig) failed like this:

fs/ceph/rbd.c: In function 'rbd_rq_fn':
fs/ceph/rbd.c:1101: error: implicit declaration of function 'blk_fs_request'
fs/ceph/rbd.c:1101: error: implicit declaration of function 'blk_barrier_rq'

Caused by commit fc734ac98dbce1e3d3e1e1359524c279a336ac49 ("block: remove
wrappers for request type/flags") interacting with commit
e7fdb915217126d23ff2aafb2d5fdce21b763df1 ("ceph-rbd: rados block device")
from the ceph tree.

I applied the following merge fix patch (Christoph, I assume that this
should be directly applicable to the ceph tree, right?):

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Tue, 3 Aug 2010 13:08:18 +1000
Subject: [PATCH] ceph: update for removal of request flag wrappers

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 fs/ceph/rbd.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/fs/ceph/rbd.c b/fs/ceph/rbd.c
index 86c8b06..1fa2634 100644
--- a/fs/ceph/rbd.c
+++ b/fs/ceph/rbd.c
@@ -1098,7 +1098,8 @@ static void rbd_rq_fn(struct request_queue *q)
 		dout("fetched request\n");
 
 		/* filter out block requests we don't understand */
-		if (!blk_fs_request(rq) && !blk_barrier_rq(rq)) {
+		if ((rq->cmd_type != REQ_TYPE_FS) &&
+		    !(rq->cmd_flags & REQ_HARDBARRIER)) {
 			__blk_end_request_all(rq, 0);
 			goto next;
 		}
-- 
1.7.1

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/
--
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