linux-kernel - [ammarfaizi2-block:dhowells/linux-fs/cifs-netfs 32/41] fs/cifs/fscache.c:112:67: warning: passing argument 2 of 'set_bit' makes pointer from integer without a cast

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Date:   Tue, 31 May 2022 03:27:35 +0800
From:   kernel test robot <lkp@...el.com>
To:     David Howells <dhowells@...hat.com>
Cc:     kbuild-all@...ts.01.org,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        linux-kernel@...r.kernel.org
Subject: [ammarfaizi2-block:dhowells/linux-fs/cifs-netfs 32/41]
 fs/cifs/fscache.c:112:67: warning: passing argument 2 of 'set_bit' makes
 pointer from integer without a cast

tree:   https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/cifs-netfs
head:   1fc71b6b30f6d2a981c163b77c9aee0aecaecb29
commit: ccc1acdfa787b5bf5c9c2b3f829b18f5a0bb0938 [32/41] mm, netfs, fscache: Stop read optimisation when folio removed from pagecache
config: powerpc64-randconfig-r003-20220530 (https://download.01.org/0day-ci/archive/20220531/202205310312.AaPxpbbh-lkp@intel.com/config)
compiler: powerpc64-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
        # https://github.com/ammarfaizi2/linux-block/commit/ccc1acdfa787b5bf5c9c2b3f829b18f5a0bb0938
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block dhowells/linux-fs/cifs-netfs
        git checkout ccc1acdfa787b5bf5c9c2b3f829b18f5a0bb0938
        # 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=powerpc SHELL=/bin/bash fs/cifs/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   fs/cifs/fscache.c: In function 'cifs_fscache_get_inode_cookie':
>> fs/cifs/fscache.c:112:67: warning: passing argument 2 of '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
   In file included from arch/powerpc/include/asm/bitops.h:332,
                    from include/linux/bitops.h:33,
                    from include/linux/kernel.h:22,
                    from arch/powerpc/include/asm/page.h:11,
                    from arch/powerpc/include/asm/mmu.h:149,
                    from arch/powerpc/include/asm/paca.h:18,
                    from arch/powerpc/include/asm/current.h:13,
                    from include/linux/thread_info.h:23,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/powerpc/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:
   include/asm-generic/bitops/instrumented-atomic.h:26:70: note: expected 'volatile long unsigned int *' but argument is of type 'long unsigned int'
      26 | static __always_inline void set_bit(long nr, volatile unsigned long *addr)
         |                                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~


vim +/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