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

vim +/blk_queue_flush +869 arch/um/drivers/ubd_kern.c

62f96cb0 Jeff Dike          2007-02-10  863  	ubd_dev->queue = blk_init_queue(do_ubd_request, &ubd_dev->lock);
62f96cb0 Jeff Dike          2007-02-10  864  	if (ubd_dev->queue == NULL) {
62f96cb0 Jeff Dike          2007-02-10  865  		*error_out = "Failed to initialize device queue";
80c13749 Jeff Dike          2006-09-29  866  		goto out;
62f96cb0 Jeff Dike          2007-02-10  867  	}
62f96cb0 Jeff Dike          2007-02-10  868  	ubd_dev->queue->queuedata = ubd_dev;
805f11a0 Richard Weinberger 2013-08-18 @869  	blk_queue_flush(ubd_dev->queue, REQ_FLUSH);
62f96cb0 Jeff Dike          2007-02-10  870  
8a78362c Martin K. Petersen 2010-02-26  871  	blk_queue_max_segments(ubd_dev->queue, MAX_SG);
792dd4fc Christoph Hellwig  2009-03-31  872  	err = ubd_disk_register(UBD_MAJOR, ubd_dev->size, n, &ubd_gendisk[n]);

:::::: The code at line 869 was first introduced by commit
:::::: 805f11a0d515658106bfbfadceff0eb30bd90ad2 um: ubd: Add REQ_FLUSH suppport

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

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