Hi Chao, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on f2fs/dev-test] [cannot apply to v5.4-rc5 next-20191031] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Chao-Yu/f2fs-support-data-compre... base: https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev-test config: x86_64-randconfig-e004-201943 (attached as .config) compiler: gcc-7 (Debian 7.4.0-14) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): fs/f2fs/file.c: In function 'f2fs_truncate_data_blocks_range': stat_sub_compr_blocks(dn->inode, compr_blocks); ^~~~~~~~~~~~~~~~~~~~~ stat_dec_compr_blocks Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_read Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_write Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:arch_set_bit Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:arch_clear_bit Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:arch_test_and_set_bit Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:arch_test_and_set_bit_lock Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:constant_test_bit Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:variable_test_bit Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls64 Cyclomatic Complexity 1 include/asm-generic/bitops-instrumented.h:set_bit Cyclomatic Complexity 1 include/asm-generic/bitops-instrumented.h:clear_bit Cyclomatic Complexity 1 include/asm-generic/bitops-instrumented.h:test_and_set_bit_lock Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u64 Cyclomatic Complexity 1 include/linux/list.h:list_empty Cyclomatic Complexity 3 include/linux/time64.h:timespec64_equal Cyclomatic Complexity 1 arch/x86/include/asm/current.h:get_current Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_read Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_inc Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_dec Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_dec_and_test Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_read Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_inc Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_dec Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_dec_and_test Cyclomatic Complexity 1 include/linux/string.h:strnlen Cyclomatic Complexity 4 include/linux/string.h:strlen Cyclomatic Complexity 3 include/linux/string.h:memset Cyclomatic Complexity 4 include/linux/string.h:memcpy Cyclomatic Complexity 1 include/linux/err.h:PTR_ERR Cyclomatic Complexity 1 include/linux/thread_info.h:check_object_size Cyclomatic Complexity 5 include/linux/thread_info.h:check_copy_size Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_add Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_sub Cyclomatic Complexity 1 include/linux/spinlock.h:spin_lock Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock Cyclomatic Complexity 1 include/linux/dcache.h:d_inode Cyclomatic Complexity 1 include/linux/uidgid.h:__kuid_val Cyclomatic Complexity 1 include/linux/uidgid.h:__kgid_val Cyclomatic Complexity 1 include/linux/uidgid.h:uid_eq Cyclomatic Complexity 1 include/linux/uidgid.h:gid_eq Cyclomatic Complexity 1 include/linux/page-flags.h:PageTail Cyclomatic Complexity 1 include/linux/page-flags.h:PageLocked Cyclomatic Complexity 1 include/linux/page-flags.h:PageDirty Cyclomatic Complexity 1 include/linux/page-flags.h:PageSwapBacked Cyclomatic Complexity 1 include/linux/page-flags.h:PageMappedToDisk Cyclomatic Complexity 3 include/linux/page-flags.h:PageSwapCache Cyclomatic Complexity 1 include/linux/page-flags.h:SetPageUptodate Cyclomatic Complexity 1 include/linux/projid.h:__kprojid_val Cyclomatic Complexity 1 include/linux/projid.h:from_kprojid Cyclomatic Complexity 1 include/linux/fs.h:i_size_read Cyclomatic Complexity 1 include/linux/fs.h:i_size_write Cyclomatic Complexity 1 include/linux/fs.h:file_inode Cyclomatic Complexity 1 include/linux/fs.h:sb_rdonly Cyclomatic Complexity 1 include/linux/fs.h:parent_ino Cyclomatic Complexity 1 include/linux/fs.h:simple_fill_fsxattr Cyclomatic Complexity 1 include/linux/page_ref.h:page_ref_count Cyclomatic Complexity 1 include/linux/page_ref.h:page_ref_dec_and_test Cyclomatic Complexity 2 include/linux/overflow.h:array_size Cyclomatic Complexity 2 include/linux/uaccess.h:copy_from_user Cyclomatic Complexity 2 include/linux/uaccess.h:copy_to_user Cyclomatic Complexity 1 include/linux/uaccess.h:pagefault_disabled_inc Cyclomatic Complexity 1 include/linux/uaccess.h:pagefault_disabled_dec Cyclomatic Complexity 1 include/linux/uaccess.h:pagefault_disable Cyclomatic Complexity 1 include/linux/uaccess.h:pagefault_enable Cyclomatic Complexity 1 include/linux/mm.h:put_devmap_managed_page Cyclomatic Complexity 1 include/linux/mm.h:lowmem_page_address Cyclomatic Complexity 1 include/asm-generic/cacheflush.h:flush_dcache_page Cyclomatic Complexity 1 include/linux/highmem.h:kunmap Cyclomatic Complexity 1 include/linux/highmem.h:kmap_atomic Cyclomatic Complexity 1 include/linux/highmem.h:__kunmap_atomic Cyclomatic Complexity 1 include/linux/pagemap.h:page_offset Cyclomatic Complexity 4 include/linux/buffer_head.h:block_page_mkwrite_return Cyclomatic Complexity 1 include/linux/file.h:__to_fd Cyclomatic Complexity 1 include/linux/kasan.h:kasan_kmalloc Cyclomatic Complexity 3 include/linux/slab.h:kmalloc_type Cyclomatic Complexity 28 include/linux/slab.h:kmalloc_index Cyclomatic Complexity 1 include/linux/slab.h:kmem_cache_alloc_trace Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_order_trace Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_large Cyclomatic Complexity 4 include/linux/slab.h:kmalloc Cyclomatic Complexity 1 include/linux/blkdev.h:blk_queue_zoned_model Cyclomatic Complexity 2 include/linux/blkdev.h:blk_queue_is_zoned Cyclomatic Complexity 1 include/linux/blkdev.h:bdev_get_queue Cyclomatic Complexity 2 include/linux/blkdev.h:bdev_is_zoned Cyclomatic Complexity 1 include/linux/uio.h:iov_iter_rw Cyclomatic Complexity 1 include/linux/uio.h:iov_iter_count Cyclomatic Complexity 1 arch/x86/include/asm/compat.h:compat_ptr Cyclomatic Complexity 6 include/linux/quotaops.h:is_quota_modification Cyclomatic Complexity 1 include/linux/quotaops.h:dquot_initialize Cyclomatic Complexity 1 include/linux/quotaops.h:dquot_transfer Cyclomatic Complexity 1 include/linux/fscrypt.h:fscrypt_has_encryption_key Cyclomatic Complexity 1 include/linux/fscrypt.h:fscrypt_ioctl_set_policy Cyclomatic Complexity 1 include/linux/fscrypt.h:fscrypt_ioctl_get_policy Cyclomatic Complexity 1 include/linux/fscrypt.h:fscrypt_ioctl_get_policy_ex Cyclomatic Complexity 1 include/linux/fscrypt.h:fscrypt_ioctl_add_key -- fs/f2fs/inode.c: In function 'do_read_inode': stat_add_compr_blocks(inode, F2FS_I(inode)->i_compressed_blocks); ^~~~~~~~~~~~~~~~~~~~~ stat_dec_compr_blocks fs/f2fs/inode.c: In function 'f2fs_evict_inode': stat_sub_compr_blocks(inode, F2FS_I(inode)->i_compressed_blocks); ^~~~~~~~~~~~~~~~~~~~~ stat_dec_compr_blocks Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_read Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_write Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:arch_set_bit Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:arch_clear_bit Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:constant_test_bit Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:variable_test_bit Cyclomatic Complexity 1 include/asm-generic/bitops-instrumented.h:set_bit Cyclomatic Complexity 1 include/asm-generic/bitops-instrumented.h:clear_bit Cyclomatic Complexity 3 include/linux/time64.h:timespec64_equal Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_read Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_dec_and_test Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_read Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_dec_and_test Cyclomatic Complexity 3 include/linux/string.h:memset Cyclomatic Complexity 1 include/linux/err.h:ERR_PTR Cyclomatic Complexity 1 include/linux/err.h:PTR_ERR Cyclomatic Complexity 3 include/linux/kdev_t.h:old_valid_dev Cyclomatic Complexity 1 include/linux/kdev_t.h:old_encode_dev Cyclomatic Complexity 1 include/linux/kdev_t.h:old_decode_dev Cyclomatic Complexity 1 include/linux/kdev_t.h:new_encode_dev Cyclomatic Complexity 1 include/linux/kdev_t.h:new_decode_dev Cyclomatic Complexity 1 include/linux/uidgid.h:__kuid_val Cyclomatic Complexity 1 include/linux/uidgid.h:__kgid_val Cyclomatic Complexity 1 include/linux/uidgid.h:make_kuid Cyclomatic Complexity 1 include/linux/uidgid.h:make_kgid Cyclomatic Complexity 1 include/linux/uidgid.h:from_kuid Cyclomatic Complexity 1 include/linux/uidgid.h:from_kgid Cyclomatic Complexity 1 include/linux/page-flags.h:PageLocked Cyclomatic Complexity 1 include/linux/page-flags.h:PageDirty Cyclomatic Complexity 1 include/linux/page-flags.h:ClearPageChecked Cyclomatic Complexity 1 include/linux/page-flags.h:PageSwapBacked Cyclomatic Complexity 1 include/linux/page-flags.h:PageWriteback Cyclomatic Complexity 3 include/linux/page-flags.h:PageSwapCache Cyclomatic Complexity 1 include/linux/projid.h:__kprojid_val Cyclomatic Complexity 1 include/linux/projid.h:make_kprojid Cyclomatic Complexity 1 include/linux/projid.h:from_kprojid Cyclomatic Complexity 1 include/linux/fs.h:i_size_read Cyclomatic Complexity 1 include/linux/fs.h:i_size_write Cyclomatic Complexity 1 include/linux/fs.h:i_uid_read Cyclomatic Complexity 1 include/linux/fs.h:i_gid_read Cyclomatic Complexity 1 include/linux/fs.h:i_uid_write Cyclomatic Complexity 1 include/linux/fs.h:i_gid_write Cyclomatic Complexity 1 include/linux/page_ref.h:page_ref_count Cyclomatic Complexity 1 include/linux/page_ref.h:page_ref_dec_and_test Cyclomatic Complexity 1 include/linux/mm.h:put_devmap_managed_page Cyclomatic Complexity 1 include/linux/mm.h:lowmem_page_address Cyclomatic Complexity 1 include/linux/pagemap.h:mapping_set_gfp_mask Cyclomatic Complexity 1 include/crypto/hash.h:crypto_shash_descsize Cyclomatic Complexity 1 include/linux/quotaops.h:dquot_initialize Cyclomatic Complexity 1 include/linux/quotaops.h:dquot_initialize_needed Cyclomatic Complexity 1 include/linux/quotaops.h:dquot_drop Cyclomatic Complexity 1 include/linux/fscrypt.h:fscrypt_put_encryption_info Cyclomatic Complexity 1 include/linux/fsverity.h:fsverity_cleanup_inode Cyclomatic Complexity 1 fs/f2fs/f2fs.h:set_raw_extent Cyclomatic Complexity 1 fs/f2fs/f2fs.h:time_to_inject Cyclomatic Complexity 1 fs/f2fs/f2fs.h:F2FS_I Cyclomatic Complexity 1 fs/f2fs/f2fs.h:F2FS_SB Cyclomatic Complexity 1 fs/f2fs/f2fs.h:F2FS_I_SB Cyclomatic Complexity 1 fs/f2fs/f2fs.h:F2FS_M_SB Cyclomatic Complexity 1 fs/f2fs/f2fs.h:F2FS_CKPT Cyclomatic Complexity 1 fs/f2fs/f2fs.h:F2FS_NODE Cyclomatic Complexity 1 fs/f2fs/f2fs.h:F2FS_INODE Cyclomatic Complexity 1 fs/f2fs/f2fs.h:SM_I Cyclomatic Complexity 1 fs/f2fs/f2fs.h:SIT_I Cyclomatic Complexity 1 fs/f2fs/f2fs.h:FREE_I Cyclomatic Complexity 1 fs/f2fs/f2fs.h:NODE_MAPPING Cyclomatic Complexity 1 fs/f2fs/f2fs.h:set_sbi_flag Cyclomatic Complexity 1 fs/f2fs/f2fs.h:__is_set_ckpt_flags Cyclomatic Complexity 1 fs/f2fs/f2fs.h:is_set_ckpt_flags Cyclomatic Complexity 1 fs/f2fs/f2fs.h:F2FS_HAS_BLOCKS Cyclomatic Complexity 1 fs/f2fs/f2fs.h:get_pages Cyclomatic Complexity 1 fs/f2fs/f2fs.h:get_dirty_pages Cyclomatic Complexity 1 fs/f2fs/f2fs.h:get_blocktype_secs Cyclomatic Complexity 1 fs/f2fs/f2fs.h:IS_INODE Cyclomatic Complexity 2 fs/f2fs/f2fs.h:offset_in_addr Cyclomatic Complexity 8 fs/f2fs/f2fs.h:get_inline_info Cyclomatic Complexity 1 fs/f2fs/f2fs.h:is_file Cyclomatic Complexity 5 fs/f2fs/f2fs.h:f2fs_is_time_consistent Cyclomatic Complexity 1 fs/f2fs/f2fs.h:f2fs_cp_error Cyclomatic Complexity 1 fs/f2fs/f2fs.h:get_extra_isize Cyclomatic Complexity 1 fs/f2fs/f2fs.h:inline_data_addr Cyclomatic Complexity 1 fs/f2fs/f2fs.h:get_inline_xattr_addrs Cyclomatic Complexity 2 fs/f2fs/f2fs.h:__is_valid_data_blkaddr Cyclomatic Complexity 1 fs/f2fs/f2fs.h:f2fs_sb_has_extra_attr Cyclomatic Complexity 1 fs/f2fs/f2fs.h:f2fs_sb_has_project_quota Cyclomatic Complexity 1 fs/f2fs/f2fs.h:f2fs_sb_has_inode_chksum Cyclomatic Complexity 1 fs/f2fs/f2fs.h:f2fs_sb_has_flexible_inline_xattr Cyclomatic Complexity 1 fs/f2fs/f2fs.h:f2fs_sb_has_inode_crtime Cyclomatic Complexity 1 fs/f2fs/f2fs.h:f2fs_sb_has_compression Cyclomatic Complexity 1 fs/f2fs/node.h:ino_of_node Cyclomatic Complexity 1 fs/f2fs/node.h:nid_of_node Cyclomatic Complexity 1 fs/f2fs/node.h:is_node Cyclomatic Complexity 1 fs/f2fs/node.h:clear_inline_node Cyclomatic Complexity 2 fs/f2fs/node.h:set_cold_node Cyclomatic Complexity 2 fs/f2fs/segment.h:CURSEG_I Cyclomatic Complexity 1 fs/f2fs/segment.h:get_seg_entry vim +543 fs/f2fs/file.c 516 517 void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count) 518 { 519 struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); 520 struct f2fs_node *raw_node; 521 int nr_free = 0, ofs = dn->ofs_in_node, len = count; 522 __le32 *addr; 523 int base = 0; 524 bool compressed_cluster = false; 525 int cluster_index = 0, valid_blocks = 0; 526 int cluster_size = F2FS_I(dn->inode)->i_cluster_size; 527 528 if (IS_INODE(dn->node_page) && f2fs_has_extra_attr(dn->inode)) 529 base = get_extra_isize(dn->inode); 530 531 raw_node = F2FS_NODE(dn->node_page); 532 addr = blkaddr_in_node(raw_node) + base + ofs; 533 534 /* Assumption: truncateion starts with cluster */ 535 for (; count > 0; count--, addr++, dn->ofs_in_node++, cluster_index++) { 536 block_t blkaddr = le32_to_cpu(*addr); 537 538 if (f2fs_compressed_file(dn->inode) && 539 !(cluster_index & (cluster_size - 1))) { 540 if (compressed_cluster) { 541 int compr_blocks = cluster_size - valid_blocks; 542 544 F2FS_I(dn->inode)->i_compressed_blocks -= 545 compr_blocks; 546 } 547 compressed_cluster = (blkaddr == COMPRESS_ADDR); 548 valid_blocks = 0; 549 } 550 551 if (blkaddr == NULL_ADDR) 552 continue; 553 554 dn->data_blkaddr = NULL_ADDR; 555 f2fs_set_data_blkaddr(dn); 556 557 if (__is_valid_data_blkaddr(blkaddr)) { 558 if (!f2fs_is_valid_blkaddr(sbi, blkaddr, 559 DATA_GENERIC_ENHANCE)) 560 continue; 561 if (compressed_cluster) 562 valid_blocks++; 563 } 564 565 if (dn->ofs_in_node == 0 && IS_INODE(dn->node_page)) 566 clear_inode_flag(dn->inode, FI_FIRST_BLOCK_WRITTEN); 567 568 f2fs_invalidate_blocks(sbi, blkaddr); 569 nr_free++; 570 } 571 572 if (compressed_cluster) { 573 int compr_blocks = cluster_size - valid_blocks; 574 575 stat_sub_compr_blocks(dn->inode, compr_blocks); 576 F2FS_I(dn->inode)->i_compressed_blocks -= compr_blocks; 577 } 578 579 if (nr_free) { 580 pgoff_t fofs; 581 /* 582 * once we invalidate valid blkaddr in range [ofs, ofs + count], 583 * we will invalidate all blkaddr in the whole range. 584 */ 585 fofs = f2fs_start_bidx_of_node(ofs_of_node(dn->node_page), 586 dn->inode) + ofs; 587 f2fs_update_extent_cache_range(dn, fofs, 0, len); 588 dec_valid_block_count(sbi, dn->inode, nr_free); 589 } 590 dn->ofs_in_node = ofs; 591 592 f2fs_update_time(sbi, REQ_TIME); 593 trace_f2fs_truncate_data_blocks_range(dn->inode, dn->nid, 594 dn->ofs_in_node, nr_free); 595 } 596 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation