tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-5.4 head: 74cb9d74e6b6e93cae875cc04536f543eacb1704 commit: ddf7e924603ee9838823a02de7e3940cc061f43f [12196/12326] btrfs: make btrfs_invalidatepage work on btrfs_inode config: parisc-randconfig-m031-20210321 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/c... git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git git fetch --no-tags sashal-linux-stable queue-5.4 git checkout ddf7e924603ee9838823a02de7e3940cc061f43f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/linux/mm.h:99, from include/linux/highmem.h:8, from include/linux/bio.h:8, from fs/btrfs/inode.c:7: include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ arch/parisc/include/asm/pgtable.h:316:34: note: in expansion of macro 'set_pte_at' 316 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0)) | ^~~~~~~~~~ include/asm-generic/pgtable.h:201:2: note: in expansion of macro 'pte_clear' 201 | pte_clear(mm, address, ptep); | ^~~~~~~~~ include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ include/asm-generic/pgtable.h:629:2: note: in expansion of macro 'set_pte_at' 629 | set_pte_at(vma->vm_mm, addr, ptep, pte); | ^~~~~~~~~~ fs/btrfs/inode.c: In function 'btrfs_invalidatepage': 9055 | if (btrfs_dec_test_ordered_pending(inode, &ordered, | ^~~~~ | | | struct btrfs_inode * In file included from fs/btrfs/btrfs_inode.h:12, from fs/btrfs/transaction.h:10, from fs/btrfs/inode.c:36: fs/btrfs/ordered-data.h:156:50: note: expected 'struct inode *' but argument is of type 'struct btrfs_inode *' 156 | int btrfs_dec_test_ordered_pending(struct inode *inode, | ~~~~~~~~~~~~~~^~~~~ 9085 | btrfs_qgroup_free_data(inode, NULL, page_start, PAGE_SIZE); | ^~~~~ | | | struct btrfs_inode * In file included from fs/btrfs/inode.c:49: fs/btrfs/qgroup.h:350:42: note: expected 'struct inode *' but argument is of type 'struct btrfs_inode *' 350 | int btrfs_qgroup_free_data(struct inode *inode, | ~~~~~~~~~~~~~~^~~~~ cc1: some warnings being treated as errors vim +/btrfs_dec_test_ordered_pending +9055 fs/btrfs/inode.c e6dcd2dc9c4891 Chris Mason 2008-07-17 8994 d47992f86b3079 Lukas Czerner 2013-05-21 8995 static void btrfs_invalidatepage(struct page *page, unsigned int offset, d47992f86b3079 Lukas Czerner 2013-05-21 8996 unsigned int length) 39279cc3d2704c Chris Mason 2007-06-12 8997 { ddf7e924603ee9 Nikolay Borisov 2020-08-31 8998 struct btrfs_inode *inode = BTRFS_I(page->mapping->host); ddf7e924603ee9 Nikolay Borisov 2020-08-31 8999 struct extent_io_tree *tree = &inode->io_tree; e6dcd2dc9c4891 Chris Mason 2008-07-17 9000 struct btrfs_ordered_extent *ordered; 2ac55d41b5d6bf Josef Bacik 2010-02-03 9001 struct extent_state *cached_state = NULL; e6dcd2dc9c4891 Chris Mason 2008-07-17 9002 u64 page_start = page_offset(page); 09cbfeaf1a5a67 Kirill A. Shutemov 2016-04-01 9003 u64 page_end = page_start + PAGE_SIZE - 1; dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9004 u64 start; dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9005 u64 end; ddf7e924603ee9 Nikolay Borisov 2020-08-31 9006 int inode_evicting = inode->vfs_inode.i_state & I_FREEING; 39279cc3d2704c Chris Mason 2007-06-12 9007 8b62b72b26bcd7 Chris Mason 2009-09-02 9008 /* 8b62b72b26bcd7 Chris Mason 2009-09-02 9009 * we have the page locked, so new writeback can't start, 8b62b72b26bcd7 Chris Mason 2009-09-02 9010 * and the dirty bit won't be cleared while we are here. 8b62b72b26bcd7 Chris Mason 2009-09-02 9011 * 8b62b72b26bcd7 Chris Mason 2009-09-02 9012 * Wait for IO on this page so that we can safely clear 8b62b72b26bcd7 Chris Mason 2009-09-02 9013 * the PagePrivate2 bit and do ordered accounting 8b62b72b26bcd7 Chris Mason 2009-09-02 9014 */ e6dcd2dc9c4891 Chris Mason 2008-07-17 9015 wait_on_page_writeback(page); 8b62b72b26bcd7 Chris Mason 2009-09-02 9016 e6dcd2dc9c4891 Chris Mason 2008-07-17 9017 if (offset) { a52d9a8033c454 Chris Mason 2007-08-27 9018 btrfs_releasepage(page, GFP_NOFS); e6dcd2dc9c4891 Chris Mason 2008-07-17 9019 return; e6dcd2dc9c4891 Chris Mason 2008-07-17 9020 } 131e404a2a54d3 Filipe David Borba Manana 2013-11-19 9021 131e404a2a54d3 Filipe David Borba Manana 2013-11-19 9022 if (!inode_evicting) ff13db41f184f8 David Sterba 2015-12-03 9023 lock_extent_bits(tree, page_start, page_end, &cached_state); dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9024 again: dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9025 start = page_start; ddf7e924603ee9 Nikolay Borisov 2020-08-31 9026 ordered = btrfs_lookup_ordered_range(inode, start, page_end - start + 1); e6dcd2dc9c4891 Chris Mason 2008-07-17 9027 if (ordered) { dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9028 end = min(page_end, ordered->file_offset + ordered->len - 1); eb84ae039e10f1 Chris Mason 2008-07-17 9029 /* eb84ae039e10f1 Chris Mason 2008-07-17 9030 * IO on this page will never be started, so we need eb84ae039e10f1 Chris Mason 2008-07-17 9031 * to account for any ordered extents now eb84ae039e10f1 Chris Mason 2008-07-17 9032 */ 131e404a2a54d3 Filipe David Borba Manana 2013-11-19 9033 if (!inode_evicting) dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9034 clear_extent_bit(tree, start, end, e182163d9cbe86 Omar Sandoval 2019-08-15 9035 EXTENT_DELALLOC | EXTENT_DELALLOC_NEW | 9e8a4a8b0b9484 Liu Bo 2012-09-05 9036 EXTENT_LOCKED | EXTENT_DO_ACCOUNTING | ae0f162534e98a David Sterba 2017-10-31 9037 EXTENT_DEFRAG, 1, 0, &cached_state); 8b62b72b26bcd7 Chris Mason 2009-09-02 9038 /* 8b62b72b26bcd7 Chris Mason 2009-09-02 9039 * whoever cleared the private bit is responsible 8b62b72b26bcd7 Chris Mason 2009-09-02 9040 * for the finish_ordered_io 8b62b72b26bcd7 Chris Mason 2009-09-02 9041 */ 77cef2ec548456 Josef Bacik 2013-08-29 9042 if (TestClearPagePrivate2(page)) { 77cef2ec548456 Josef Bacik 2013-08-29 9043 struct btrfs_ordered_inode_tree *tree; 77cef2ec548456 Josef Bacik 2013-08-29 9044 u64 new_len; 77cef2ec548456 Josef Bacik 2013-08-29 9045 ddf7e924603ee9 Nikolay Borisov 2020-08-31 9046 tree = &inode->ordered_tree; 77cef2ec548456 Josef Bacik 2013-08-29 9047 77cef2ec548456 Josef Bacik 2013-08-29 9048 spin_lock_irq(&tree->lock); 77cef2ec548456 Josef Bacik 2013-08-29 9049 set_bit(BTRFS_ORDERED_TRUNCATED, &ordered->flags); dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9050 new_len = start - ordered->file_offset; 77cef2ec548456 Josef Bacik 2013-08-29 9051 if (new_len < ordered->truncated_len) 77cef2ec548456 Josef Bacik 2013-08-29 9052 ordered->truncated_len = new_len; 77cef2ec548456 Josef Bacik 2013-08-29 9053 spin_unlock_irq(&tree->lock); 77cef2ec548456 Josef Bacik 2013-08-29 9054 77cef2ec548456 Josef Bacik 2013-08-29 @9055 if (btrfs_dec_test_ordered_pending(inode, &ordered, dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9056 start, dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9057 end - start + 1, 1)) 5fd02043553b02 Josef Bacik 2012-05-02 9058 btrfs_finish_ordered_io(ordered); 8b62b72b26bcd7 Chris Mason 2009-09-02 9059 } e6dcd2dc9c4891 Chris Mason 2008-07-17 9060 btrfs_put_ordered_extent(ordered); 131e404a2a54d3 Filipe David Borba Manana 2013-11-19 9061 if (!inode_evicting) { 2ac55d41b5d6bf Josef Bacik 2010-02-03 9062 cached_state = NULL; dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9063 lock_extent_bits(tree, start, end, 131e404a2a54d3 Filipe David Borba Manana 2013-11-19 9064 &cached_state); e6dcd2dc9c4891 Chris Mason 2008-07-17 9065 } dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9066 dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9067 start = end + 1; dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9068 if (start < page_end) dbfdb6d1b369b8 Chandan Rajendra 2016-01-21 9069 goto again; e6dcd2dc9c4891 Chris Mason 2008-07-17 9070 } 131e404a2a54d3 Filipe David Borba Manana 2013-11-19 9071 b9d0b38928e215 Qu Wenruo 2015-09-29 9072 /* b9d0b38928e215 Qu Wenruo 2015-09-29 9073 * Qgroup reserved space handler b9d0b38928e215 Qu Wenruo 2015-09-29 9074 * Page here will be either 85c417050fc7fe Qu Wenruo 2020-07-17 9075 * 1) Already written to disk or ordered extent already submitted 85c417050fc7fe Qu Wenruo 2020-07-17 9076 * Then its QGROUP_RESERVED bit in io_tree is already cleaned. 85c417050fc7fe Qu Wenruo 2020-07-17 9077 * Qgroup will be handled by its qgroup_record then. 85c417050fc7fe Qu Wenruo 2020-07-17 9078 * btrfs_qgroup_free_data() call will do nothing here. 85c417050fc7fe Qu Wenruo 2020-07-17 9079 * 85c417050fc7fe Qu Wenruo 2020-07-17 9080 * 2) Not written to disk yet 85c417050fc7fe Qu Wenruo 2020-07-17 9081 * Then btrfs_qgroup_free_data() call will clear the QGROUP_RESERVED 85c417050fc7fe Qu Wenruo 2020-07-17 9082 * bit of its io_tree, and free the qgroup reserved data space. 85c417050fc7fe Qu Wenruo 2020-07-17 9083 * Since the IO will never happen for this page. 85c417050fc7fe Qu Wenruo 2020-07-17 9084 */ bc42bda22345ef Qu Wenruo 2017-02-27 @9085 btrfs_qgroup_free_data(inode, NULL, page_start, PAGE_SIZE); 131e404a2a54d3 Filipe David Borba Manana 2013-11-19 9086 if (!inode_evicting) { e182163d9cbe86 Omar Sandoval 2019-08-15 9087 clear_extent_bit(tree, page_start, page_end, EXTENT_LOCKED | a7e3b975a0f929 Filipe Manana 2017-04-03 9088 EXTENT_DELALLOC | EXTENT_DELALLOC_NEW | a7e3b975a0f929 Filipe Manana 2017-04-03 9089 EXTENT_DO_ACCOUNTING | EXTENT_DEFRAG, 1, 1, ae0f162534e98a David Sterba 2017-10-31 9090 &cached_state); 131e404a2a54d3 Filipe David Borba Manana 2013-11-19 9091 e6dcd2dc9c4891 Chris Mason 2008-07-17 9092 __btrfs_releasepage(page, GFP_NOFS); 131e404a2a54d3 Filipe David Borba Manana 2013-11-19 9093 } e6dcd2dc9c4891 Chris Mason 2008-07-17 9094 4a096752796740 Chris Mason 2008-07-21 9095 ClearPageChecked(page); 9ad6b7bc2e00ba Chris Mason 2008-04-18 9096 if (PagePrivate(page)) { 9ad6b7bc2e00ba Chris Mason 2008-04-18 9097 ClearPagePrivate(page); 9ad6b7bc2e00ba Chris Mason 2008-04-18 9098 set_page_private(page, 0); 09cbfeaf1a5a67 Kirill A. Shutemov 2016-04-01 9099 put_page(page); 9ad6b7bc2e00ba Chris Mason 2008-04-18 9100 } 39279cc3d2704c Chris Mason 2007-06-12 9101 } 39279cc3d2704c Chris Mason 2007-06-12 9102 :::::: The code at line 9055 was first introduced by commit :::::: 77cef2ec5484564eca6bd12a2b4a1e88fd766fbc Btrfs: allow partial ordered extent completion :::::: TO: Josef Bacik <jbacik(a)fusionio.com&gt; :::::: CC: Chris Mason <chris.mason(a)fusionio.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org