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Re: [PATCH 51/58] xfs: add clone file and clone range ioctls

To: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>
Subject: Re: [PATCH 51/58] xfs: add clone file and clone range ioctls
From: kbuild test robot <lkp@xxxxxxxxx>
Date: Wed, 7 Oct 2015 13:13:13 +0800
Cc: kbuild-all@xxxxxx, david@xxxxxxxxxxxxx, darrick.wong@xxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20151007050044.30457.38096.stgit@xxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.23 (2014-03-12)
Hi Darrick,

[auto build test WARNING on v4.3-rc4 -- if it's inappropriate base, please 
ignore]

config: i386-randconfig-i0-201540 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   fs/xfs/xfs_ioctl.c: In function 'xfs_file_ioctl':
>> fs/xfs/xfs_ioctl.c:1962:51: warning: large integer implicitly truncated to 
>> unsigned type [-Woverflow]
      error = xfs_ioctl_reflink(src.file, 0, filp, 0, ~0ULL);
                                                      ^

vim +1962 fs/xfs/xfs_ioctl.c

  1946                  error = xfs_fs_eofblocks_from_user(&eofb, &keofb);
  1947                  if (error)
  1948                          return error;
  1949  
  1950                  return xfs_icache_free_eofblocks(mp, &keofb);
  1951          }
  1952  
  1953          case XFS_IOC_CLONE: {
  1954                  struct fd src;
  1955  
  1956                  src = fdget(p);
  1957                  if (!src.file)
  1958                          return -EBADF;
  1959  
  1960                  trace_xfs_ioctl_clone(file_inode(src.file), 
file_inode(filp));
  1961  
> 1962                  error = xfs_ioctl_reflink(src.file, 0, filp, 0, ~0ULL);
  1963                  fdput(src);
  1964                  if (error > 0)
  1965                          error = 0;
  1966  
  1967                  return error;
  1968          }
  1969  
  1970          case XFS_IOC_CLONE_RANGE: {

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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