CC: kbuild-all(a)lists.01.org CC: cluster-devel(a)redhat.com TO: Bob Peterson <rpeterso(a)redhat.com&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git for-next.bob6b head: 8aef3eb9d3f560027f23e9690d0eca9427ba520d commit: 338462527fad3a08cda656c2cc2f44d9ae319e42 [5/12] gfs2: Wipe jdata and ail1 in gfs2_journal_wipe, formerly gfs2_meta_wipe :::::: branch date: 10 hours ago :::::: commit date: 10 hours ago config: xtensa-randconfig-s032-20200731 (attached as .config) compiler: xtensa-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-115-g5fc204f2-dirty git checkout 338462527fad3a08cda656c2cc2f44d9ae319e42 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=xtensa If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) # https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git/commi... git remote add gfs2 https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git git remote update gfs2 git checkout 338462527fad3a08cda656c2cc2f44d9ae319e42 vim +/gfs2_remove_from_journal +362 fs/gfs2/meta_io.c b3b94faa5fe5968 David Teigland 2006-01-16 329 338462527fad3a0 Bob Peterson 2020-07-22 330 void gfs2_remove_from_journal(struct buffer_head *bh, int meta, int lock_ail) b3b94faa5fe5968 David Teigland 2006-01-16 331 { 009d851837ab26c Steven Whitehouse 2009-12-08 332 struct address_space *mapping = bh->b_page->mapping; 009d851837ab26c Steven Whitehouse 2009-12-08 333 struct gfs2_sbd *sdp = gfs2_mapping2sbd(mapping); 16615be18cadf53 Steven Whitehouse 2007-09-17 334 struct gfs2_bufdata *bd = bh->b_private; 68cd4ce2caf22a8 Bob Peterson 2016-05-02 335 struct gfs2_trans *tr = current->journal_info; 502be2a32f09f38 Bob Peterson 2013-12-13 336 int was_pinned = 0; 009d851837ab26c Steven Whitehouse 2009-12-08 337 b3b94faa5fe5968 David Teigland 2006-01-16 338 if (test_clear_buffer_pinned(bh)) { 627c10b7e471b5d Steven Whitehouse 2011-04-14 339 trace_gfs2_pin(bd, 0); 5e687eac1bd31ba Benjamin Marzinski 2010-05-04 340 atomic_dec(&sdp->sd_log_pinned); c0752aa7e4d48cc Bob Peterson 2012-05-01 341 list_del_init(&bd->bd_list); 68cd4ce2caf22a8 Bob Peterson 2016-05-02 342 if (meta == REMOVE_META) 5c676f6d359b040 Steven Whitehouse 2006-02-27 343 tr->tr_num_buf_rm++; 022ef4feed0c648 Steven Whitehouse 2014-02-21 344 else 16615be18cadf53 Steven Whitehouse 2007-09-17 345 tr->tr_num_databuf_rm++; 9862ca056e65463 Bob Peterson 2017-01-25 346 set_bit(TR_TOUCHED, &tr->tr_flags); 502be2a32f09f38 Bob Peterson 2013-12-13 347 was_pinned = 1; b3b94faa5fe5968 David Teigland 2006-01-16 348 brelse(bh); b3b94faa5fe5968 David Teigland 2006-01-16 349 } b3b94faa5fe5968 David Teigland 2006-01-16 350 if (bd) { 338462527fad3a0 Bob Peterson 2020-07-22 351 if (lock_ail) c618e87a5fd02aa Steven Whitehouse 2011-03-14 352 spin_lock(&sdp->sd_ail_lock); 16ca9412d801818 Benjamin Marzinski 2013-04-05 353 if (bd->bd_tr) { 1ad38c437fa33f8 Steven Whitehouse 2007-09-03 354 gfs2_trans_add_revoke(sdp, bd); 502be2a32f09f38 Bob Peterson 2013-12-13 355 } else if (was_pinned) { 502be2a32f09f38 Bob Peterson 2013-12-13 356 bh->b_private = NULL; 502be2a32f09f38 Bob Peterson 2013-12-13 357 kmem_cache_free(gfs2_bufdata_cachep, bd); 1ad38c437fa33f8 Steven Whitehouse 2007-09-03 358 } 338462527fad3a0 Bob Peterson 2020-07-22 359 if (lock_ail) c618e87a5fd02aa Steven Whitehouse 2011-03-14 360 spin_unlock(&sdp->sd_ail_lock); b3b94faa5fe5968 David Teigland 2006-01-16 361 } b3b94faa5fe5968 David Teigland 2006-01-16 @362 clear_buffer_dirty(bh); b3b94faa5fe5968 David Teigland 2006-01-16 363 clear_buffer_uptodate(bh); 16615be18cadf53 Steven Whitehouse 2007-09-17 364 } 16615be18cadf53 Steven Whitehouse 2007-09-17 365 :::::: The code at line 362 was first introduced by commit :::::: b3b94faa5fe5968827ba0640ee9fba4b3e7f736e [GFS2] The core of GFS2 :::::: TO: David Teigland <teigland(a)redhat.com&gt; :::::: CC: Steven Whitehouse <swhiteho(a)redhat.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org