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Date:   Tue, 3 May 2022 09:05:36 +0800
From:   kernel test robot <lkp@intel.com>
To:     David Howells <dhowells@redhat.com>
Cc:     kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
        Steve French <stfrench@microsoft.com>
Subject: [samba-ksmbd:for-next 26/26] fs/cifs/fscache.c:112:67: warning:
 passing argument 2 of 'bset_mem_set_bit' makes pointer from integer without
 a cast
Message-ID: <202205030951.b4tycp85-lkp@intel.com>
MIME-Version: 1.0
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tree:   git://git.samba.org/ksmbd.git for-next
head:   422ce10d22e2de32427ff611478747dd27af50f8
commit: 422ce10d22e2de32427ff611478747dd27af50f8 [26/26] mm, netfs, fscache: Stop read optimisation when folio removed from pagecache
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20220503/202205030951.b4tycp85-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add samba-ksmbd git://git.samba.org/ksmbd.git
        git fetch --no-tags samba-ksmbd for-next
        git checkout 422ce10d22e2de32427ff611478747dd27af50f8
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash fs/cifs/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from include/linux/bitops.h:33,
                    from include/linux/thread_info.h:27,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/m68k/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:55,
                    from include/linux/swap.h:5,
                    from fs/cifs/fscache.h:12,
                    from fs/cifs/fscache.c:9:
   fs/cifs/fscache.c: In function 'cifs_fscache_get_inode_cookie':
>> fs/cifs/fscache.c:112:67: warning: passing argument 2 of 'bset_mem_set_bit' makes pointer from integer without a cast [-Wint-conversion]
     112 |                 set_bit(AS_NOTIFY_REMOVING_FOLIO, inode->i_mapping->flags);
         |                                                   ~~~~~~~~~~~~~~~~^~~~~~~
         |                                                                   |
         |                                                                   long unsigned int
   arch/m68k/include/asm/bitops.h:64:54: note: in definition of macro 'set_bit'
      64 |                                 bset_mem_set_bit(nr, vaddr) : \
         |                                                      ^~~~~
   arch/m68k/include/asm/bitops.h:41:69: note: expected 'volatile long unsigned int *' but argument is of type 'long unsigned int'
      41 | static inline void bset_mem_set_bit(int nr, volatile unsigned long *vaddr)
         |                                             ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
>> fs/cifs/fscache.c:112:67: warning: passing argument 2 of 'bfset_mem_set_bit' makes pointer from integer without a cast [-Wint-conversion]
     112 |                 set_bit(AS_NOTIFY_REMOVING_FOLIO, inode->i_mapping->flags);
         |                                                   ~~~~~~~~~~~~~~~~^~~~~~~
         |                                                                   |
         |                                                                   long unsigned int
   arch/m68k/include/asm/bitops.h:65:55: note: in definition of macro 'set_bit'
      65 |                                 bfset_mem_set_bit(nr, vaddr))
         |                                                       ^~~~~
   arch/m68k/include/asm/bitops.h:50:70: note: expected 'volatile long unsigned int *' but argument is of type 'long unsigned int'
      50 | static inline void bfset_mem_set_bit(int nr, volatile unsigned long *vaddr)
         |                                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~


vim +/bset_mem_set_bit +112 fs/cifs/fscache.c

    96	
    97	void cifs_fscache_get_inode_cookie(struct inode *inode)
    98	{
    99		struct cifs_fscache_inode_coherency_data cd;
   100		struct cifsInodeInfo *cifsi = CIFS_I(inode);
   101		struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
   102		struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb);
   103	
   104		cifs_fscache_fill_coherency(&cifsi->vfs_inode, &cd);
   105	
   106		cifsi->netfs_ctx.cache =
   107			fscache_acquire_cookie(tcon->fscache, 0,
   108					       &cifsi->uniqueid, sizeof(cifsi->uniqueid),
   109					       &cd, sizeof(cd),
   110					       i_size_read(&cifsi->vfs_inode));
   111		if (cifsi->netfs_ctx.cache)
 > 112			set_bit(AS_NOTIFY_REMOVING_FOLIO, inode->i_mapping->flags);
   113	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp