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From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org,
	Arnd Bergmann <arnd@arndb.de>, Christoph Hellwig <hch@lst.de>
Subject: linux-next: manual merge of the block tree with Linus' tree
Date: Thu, 4 Jun 2015 14:36:15 +1000	[thread overview]
Message-ID: <20150604143615.5dd061ce@canb.auug.org.au> (raw)

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Hi Jens,

Today's linux-next merge of the block tree got a conflict in
drivers/block/nvme-core.c between commit fec558b5f178 ("NVMe: fix type
warning on 32-bit") from Linus' tree and commit d29ec8241c10 ("nvme:
submit internal commands through the block layer") from the block tree.

I fixed it up (see below) and can carry the fix as necessary (no action
is required).

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au

diff --cc drivers/block/nvme-core.c
index 683dff272562,513908ff46c4..000000000000
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@@ -1745,12 -1714,10 +1714,11 @@@ static int nvme_submit_io(struct nvme_n
  	struct nvme_dev *dev = ns->dev;
  	struct nvme_user_io io;
  	struct nvme_command c;
- 	unsigned length, meta_len, prp_len;
+ 	unsigned length, meta_len;
  	int status, write;
- 	struct nvme_iod *iod;
  	dma_addr_t meta_dma = 0;
  	void *meta = NULL;
 +	void __user *metadata;
  
  	if (copy_from_user(&io, uio, sizeof(io)))
  		return -EFAULT;
@@@ -1778,18 -1731,21 +1732,23 @@@
  		return -EINVAL;
  	}
  
- 	if (IS_ERR(iod))
- 		return PTR_ERR(iod);
+ 	length = (io.nblocks + 1) << ns->lba_shift;
+ 	meta_len = (io.nblocks + 1) * ns->ms;
+ 	write = io.opcode & 1;
++	metadata = (void __user *)(unsigned long)io.metadata;
  
- 	prp_len = nvme_setup_prps(dev, iod, length, GFP_KERNEL);
- 	if (length != prp_len) {
- 		status = -ENOMEM;
- 		goto unmap;
- 	}
  	if (meta_len) {
- 		meta = dma_alloc_coherent(&dev->pci_dev->dev, meta_len,
+ 		if (((io.metadata & 3) || !io.metadata) && !ns->ext)
+ 			return -EINVAL;
+ 
+ 		if (ns->ext) {
+ 			length += meta_len;
+ 			meta_len = 0;
+ 		}
+ 
+ 		meta = dma_alloc_coherent(dev->dev, meta_len,
  						&meta_dma, GFP_KERNEL);
 +
  		if (!meta) {
  			status = -ENOMEM;
  			goto unmap;
@@@ -1813,19 -1770,18 +1772,17 @@@
  	c.rw.reftag = cpu_to_le32(io.reftag);
  	c.rw.apptag = cpu_to_le16(io.apptag);
  	c.rw.appmask = cpu_to_le16(io.appmask);
- 	c.rw.prp1 = cpu_to_le64(sg_dma_address(iod->sg));
- 	c.rw.prp2 = cpu_to_le64(iod->first_dma);
  	c.rw.metadata = cpu_to_le64(meta_dma);
- 	status = nvme_submit_io_cmd(dev, ns, &c, NULL);
+ 
+ 	status = __nvme_submit_sync_cmd(ns->queue, &c, NULL,
+ 			(void __user *)io.addr, length, NULL, 0);
   unmap:
- 	nvme_unmap_user_pages(dev, write, iod);
- 	nvme_free_iod(dev, iod);
  	if (meta) {
  		if (status == NVME_SC_SUCCESS && !write) {
 -			if (copy_to_user((void __user *)io.metadata, meta,
 -								meta_len))
 +			if (copy_to_user(metadata, meta, meta_len))
  				status = -EFAULT;
  		}
- 		dma_free_coherent(&dev->pci_dev->dev, meta_len, meta, meta_dma);
+ 		dma_free_coherent(dev->dev, meta_len, meta, meta_dma);
  	}
  	return status;
  }

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             reply	other threads:[~2015-06-04  4:36 UTC|newest]

Thread overview: 103+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-04  4:36 Stephen Rothwell [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-11-25 23:38 Stephen Rothwell
2021-11-26  5:30 ` Christoph Hellwig
2021-11-01  1:36 Stephen Rothwell
2021-10-25  2:26 Stephen Rothwell
2021-08-17  5:25 Stephen Rothwell
2021-08-17 16:40 ` Tejun Heo
2021-08-17 16:50   ` Christoph Hellwig
2021-08-17 16:52     ` Tejun Heo
2021-08-09  4:29 Stephen Rothwell
2021-08-09 14:05 ` Jens Axboe
2020-12-14  3:56 Stephen Rothwell
2020-09-23  4:05 Stephen Rothwell
2020-01-28  0:38 Stephen Rothwell
2020-01-28  0:40 ` Jens Axboe
2019-04-15  3:06 Stephen Rothwell
2019-04-15 14:15 ` Jens Axboe
2019-04-15  3:00 Stephen Rothwell
2019-03-05  1:48 Stephen Rothwell
2018-11-16  2:19 Stephen Rothwell
2018-11-16  2:21 ` Jens Axboe
2017-09-04  3:09 Stephen Rothwell
2017-06-30  2:08 Stephen Rothwell
2017-06-26  2:44 Stephen Rothwell
2017-06-26  2:28 Stephen Rothwell
2017-06-23  3:06 Stephen Rothwell
2017-06-23  3:09 ` Jens Axboe
2017-06-23  3:24   ` Stephen Rothwell
2017-06-23  3:27     ` Jens Axboe
2017-06-23  3:33       ` Stephen Rothwell
2017-06-23  3:56         ` Jens Axboe
2017-06-23  3:29     ` Jens Axboe
2016-07-21  3:08 Stephen Rothwell
2016-07-08  3:07 Stephen Rothwell
2016-07-08  4:14 ` Stephen Rothwell
2016-07-08 14:11   ` Konrad Rzeszutek Wilk
2016-06-14  2:44 Stephen Rothwell
2016-05-03  4:25 Stephen Rothwell
2016-05-03 20:03 ` Jens Axboe
2016-03-07  3:12 Stephen Rothwell
2016-03-07  3:08 Stephen Rothwell
2016-03-01  0:25 Stephen Rothwell
2016-02-18  2:10 Stephen Rothwell
2016-01-13  2:07 Stephen Rothwell
2015-12-31  3:34 Stephen Rothwell
2016-01-21 22:46 ` Stephen Rothwell
2016-01-21 22:48   ` Jens Axboe
2015-12-14  1:36 Stephen Rothwell
2015-12-07  4:27 Stephen Rothwell
2015-12-07  4:16 Stephen Rothwell
2015-10-06  1:33 Stephen Rothwell
2015-08-27  2:36 Stephen Rothwell
2015-08-17  4:04 Stephen Rothwell
2015-06-04  4:51 Stephen Rothwell
2015-06-03  3:33 Stephen Rothwell
2015-06-03  3:28 Stephen Rothwell
2015-06-01  4:56 Stephen Rothwell
2015-06-01 14:31 ` Mike Snitzer
2015-04-13  4:58 Stephen Rothwell
2015-01-27  4:03 Stephen Rothwell
2014-03-17  3:55 Stephen Rothwell
2014-03-10 15:39 Mark Brown
2013-11-01  3:25 Stephen Rothwell
2013-09-25  3:11 Stephen Rothwell
2013-05-01  5:17 Stephen Rothwell
2013-03-26  2:05 Stephen Rothwell
2012-12-07  2:44 Stephen Rothwell
2012-10-31  2:04 Stephen Rothwell
2012-10-31 13:55 ` Ben Hutchings
2012-10-31 13:57   ` Jens Axboe
2012-11-01 10:04   ` Herton Ronaldo Krzesinski
2011-11-01  5:15 Stephen Rothwell
2011-11-01  8:09 ` Jens Axboe
2011-11-01  9:03   ` Stephen Rothwell
2011-05-19  1:34 Stephen Rothwell
2011-03-21  0:43 Stephen Rothwell
2011-03-21  9:48 ` Jens Axboe
2011-03-07  2:19 Stephen Rothwell
2011-03-07  6:36 ` Tejun Heo
2011-03-07  8:42   ` Jens Axboe
2011-03-07 10:41     ` Sedat Dilek
2011-03-07 10:47       ` Tejun Heo
2011-03-07 11:14         ` Sedat Dilek
2011-03-07 11:16           ` Jens Axboe
2011-03-07 11:25             ` Sedat Dilek
2011-03-07 11:26               ` Jens Axboe
2011-03-07 11:35                 ` Sedat Dilek
2011-03-07 11:46                   ` Jens Axboe
2011-03-07 12:26                     ` Sedat Dilek
2011-03-07 11:42               ` Stephen Rothwell
2011-03-07 11:38             ` Stephen Rothwell
2010-09-16  2:04 Stephen Rothwell
2010-04-29  3:52 Stephen Rothwell
2010-04-29  7:33 ` Jens Axboe
2010-03-17  1:52 Stephen Rothwell
2010-03-17  2:03 ` Li Zefan
2010-02-25  3:10 Stephen Rothwell
2010-02-25  7:47 ` Jens Axboe
2010-02-25 23:11   ` Stephen Rothwell
2009-06-25  3:15 Stephen Rothwell
2009-06-25  3:30 ` Stephen Rothwell
2009-06-25  6:38   ` Jens Axboe
2009-06-25  7:42     ` Jens Axboe

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