linux-kernel - Re: [PATCH 35/35] block, drivers, fs: rename REQ_FLUSH to REQ

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Date:	Wed, 6 Jan 2016 07:53:09 +0800
From:	kbuild test robot <lkp@...el.com>
To:	mchristi@...hat.com
Cc:	kbuild-all@...org, linux-f2fs-devel@...ts.sourceforge.net,
	linux-ext4@...r.kernel.org, konrad.wilk@...cle.com,
	drbd-dev@...ts.linbit.com, philipp.reisner@...bit.com,
	lars.ellenberg@...bit.com, linux-raid@...r.kernel.org,
	dm-devel@...hat.com, linux-fsdevel@...r.kernel.org,
	linux-bcache@...r.kernel.org, linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-mtd@...ts.infradead.org, target-devel@...r.kernel.org,
	linux-btrfs@...r.kernel.org, osd-dev@...n-osd.org, xfs@....sgi.com,
	ocfs2-devel@....oracle.com, Mike Christie <mchristi@...hat.com>
Subject: Re: [PATCH 35/35] block, drivers, fs: rename REQ_FLUSH to
 REQ_PREFLUSH

Hi Mike,

[auto build test ERROR on next-20160105]
[cannot apply to dm/for-next v4.4-rc8 v4.4-rc7 v4.4-rc6 v4.4-rc8]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/mchristi-redhat-com/separate-operations-from-flags-in-the-bio-request-structs/20160106-052858
config: um-x86_64_defconfig (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=um SUBARCH=x86_64

All errors (new ones prefixed by >>):

   arch/um/drivers/ubd_kern.c: In function 'ubd_add':
   arch/um/drivers/ubd_kern.c:869:43: error: macro "blk_queue_flush" passed 2 arguments, but takes just 1
     blk_queue_flush(ubd_dev->queue, REQ_FLUSH);
                                              ^
   arch/um/drivers/ubd_kern.c:869:2: error: 'blk_queue_flush' undeclared (first use in this function)
     blk_queue_flush(ubd_dev->queue, REQ_FLUSH);
     ^
   arch/um/drivers/ubd_kern.c:869:2: note: each undeclared identifier is reported only once for each function it appears in
   arch/um/drivers/ubd_kern.c: In function 'do_ubd_request':
>> arch/um/drivers/ubd_kern.c:1293:24: error: 'REQ_FLUSH' undeclared (first use in this function)
      if (req->cmd_flags & REQ_FLUSH) {
                           ^

vim +/REQ_FLUSH +1293 arch/um/drivers/ubd_kern.c

a0044bdf Jeff Dike          2007-05-06  1287  			dev->start_sg = 0;
a0044bdf Jeff Dike          2007-05-06  1288  			dev->end_sg = blk_rq_map_sg(q, req, dev->sg);
a0044bdf Jeff Dike          2007-05-06  1289  		}
a0044bdf Jeff Dike          2007-05-06  1290  
a0044bdf Jeff Dike          2007-05-06  1291  		req = dev->request;
805f11a0 Richard Weinberger 2013-08-18  1292  
805f11a0 Richard Weinberger 2013-08-18 @1293  		if (req->cmd_flags & REQ_FLUSH) {
805f11a0 Richard Weinberger 2013-08-18  1294  			io_req = kmalloc(sizeof(struct io_thread_req),
805f11a0 Richard Weinberger 2013-08-18  1295  					 GFP_ATOMIC);
805f11a0 Richard Weinberger 2013-08-18  1296  			if (io_req == NULL) {

:::::: The code at line 1293 was first introduced by commit
:::::: 805f11a0d515658106bfbfadceff0eb30bd90ad2 um: ubd: Add REQ_FLUSH suppport

:::::: TO: Richard Weinberger <richard@....at>
:::::: CC: Richard Weinberger <richard@....at>

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