linux-kernel - [jlayton:ceph-fscache-rewrite-indexing 2/6] fs/cachefiles/io.c:214:41: error: 'fscache_n_b_writing' undeclared; did you mean 'fscache

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Message-ID: <202111020311.zEDv142r-lkp@intel.com>
Date:   Tue, 2 Nov 2021 03:28:18 +0800
From:   kernel test robot <lkp@...el.com>
To:     David Howells <dhowells@...hat.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Jeff Layton <jlayton@...nel.org>
Subject: [jlayton:ceph-fscache-rewrite-indexing 2/6]
 fs/cachefiles/io.c:214:41: error: 'fscache_n_b_writing' undeclared; did you
 mean 'fscache_write'?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git ceph-fscache-rewrite-indexing
head:   54d8f4ec911e13051881c8e23628e33054132f41
commit: bbe759e67e26ecc0d2667072d7dafaaa1caf38e2 [2/6] cachefiles: Fix space check to allow for I/O writes
config: arc-buildonly-randconfig-r006-20211101 (attached as .config)
compiler: arceb-elf-gcc (GCC) 11.2.0
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://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git/commit/?id=bbe759e67e26ecc0d2667072d7dafaaa1caf38e2
        git remote add jlayton https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git
        git fetch --no-tags jlayton ceph-fscache-rewrite-indexing
        git checkout bbe759e67e26ecc0d2667072d7dafaaa1caf38e2
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash fs/cachefiles/

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

All errors (new ones prefixed by >>):

   fs/cachefiles/io.c: In function 'cachefiles_write_complete':
>> fs/cachefiles/io.c:214:41: error: 'fscache_n_b_writing' undeclared (first use in this function); did you mean 'fscache_write'?
     214 |         atomic_long_sub(ki->b_writing, &fscache_n_b_writing);
         |                                         ^~~~~~~~~~~~~~~~~~~
         |                                         fscache_write
   fs/cachefiles/io.c:214:41: note: each undeclared identifier is reported only once for each function it appears in
   fs/cachefiles/io.c: In function 'cachefiles_write':
   fs/cachefiles/io.c:273:41: error: 'fscache_n_b_writing' undeclared (first use in this function); did you mean 'fscache_write'?
     273 |         atomic_long_add(ki->b_writing, &fscache_n_b_writing);
         |                                         ^~~~~~~~~~~~~~~~~~~
         |                                         fscache_write


vim +214 fs/cachefiles/io.c

   193	
   194	/*
   195	 * Handle completion of a write to the cache.
   196	 */
   197	static void cachefiles_write_complete(struct kiocb *iocb, long ret, long ret2)
   198	{
   199		struct cachefiles_kiocb *ki = container_of(iocb, struct cachefiles_kiocb, iocb);
   200		struct cachefiles_object *object = ki->object;
   201		struct inode *inode = file_inode(ki->iocb.ki_filp);
   202	
   203		_enter("%ld,%ld", ret, ret2);
   204	
   205		/* Tell lockdep we inherited freeze protection from submission thread */
   206		__sb_writers_acquired(inode->i_sb, SB_FREEZE_WRITE);
   207		__sb_end_write(inode->i_sb, SB_FREEZE_WRITE);
   208	
   209		if (ret < 0)
   210			trace_cachefiles_io_error(object, inode, ret,
   211						  cachefiles_trace_write_error);
   212	
   213		atomic_long_sub(ki->b_writing, &object->volume->cache->b_writing);
 > 214		atomic_long_sub(ki->b_writing, &fscache_n_b_writing);
   215		set_bit(FSCACHE_COOKIE_HAVE_DATA, &object->cookie->flags);
   216		if (ki->term_func)
   217			ki->term_func(ki->term_func_priv, ret, ki->was_async);
   218		cachefiles_put_kiocb(ki);
   219	}
   220	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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