Messages in this thread | | | Date | Mon, 24 Jan 2022 15:54:23 +0800 | From | kernel test robot <> | Subject | [allisonhenderson-xfs-work:delayed_attrs_v26_extended 17/30] fs/xfs/libxfs/xfs_attr.c:666:72: warning: bitwise comparison always evaluates to true |
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tree: https://github.com/allisonhenderson/xfs_work.git delayed_attrs_v26_extended head: 19459f5cfa422b0a6a9cd3898892e43ecb49f8f3 commit: 721a69ffe0e2561371de01822bef355354eee926 [17/30] xfs: add parent pointer support to attribute code config: nds32-randconfig-r024-20220124 (https://download.01.org/0day-ci/archive/20220124/202201241531.xVqSa0gQ-lkp@intel.com/config) compiler: nds32le-linux-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://github.com/allisonhenderson/xfs_work/commit/721a69ffe0e2561371de01822bef355354eee926 git remote add allisonhenderson-xfs-work https://github.com/allisonhenderson/xfs_work.git git fetch --no-tags allisonhenderson-xfs-work delayed_attrs_v26_extended git checkout 721a69ffe0e2561371de01822bef355354eee926 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nds32 SHELL=/bin/bash fs/xfs/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
fs/xfs/libxfs/xfs_attr.c: In function 'xfs_attr_set': >> fs/xfs/libxfs/xfs_attr.c:666:72: warning: bitwise comparison always evaluates to true [-Wtautological-compare] 666 | rsvd = ((args->attr_filter & XFS_ATTR_ROOT) | XFS_ATTR_PARENT) != 0; | ^~
vim +666 fs/xfs/libxfs/xfs_attr.c
648 649 /* 650 * Note: If args->value is NULL the attribute will be removed, just like the 651 * Linux ->setattr API. 652 */ 653 int 654 xfs_attr_set( 655 struct xfs_da_args *args) 656 { 657 struct xfs_inode *dp = args->dp; 658 struct xfs_mount *mp = dp->i_mount; 659 struct xfs_trans_res tres; 660 bool rsvd; 661 int error, local; 662 int rmt_blks = 0; 663 unsigned int total; 664 int delayed = xfs_has_larp(mp); 665 > 666 rsvd = ((args->attr_filter & XFS_ATTR_ROOT) | XFS_ATTR_PARENT) != 0; 667 668 if (xfs_is_shutdown(dp->i_mount)) 669 return -EIO; 670 671 error = xfs_qm_dqattach(dp); 672 if (error) 673 return error; 674 675 args->geo = mp->m_attr_geo; 676 args->whichfork = XFS_ATTR_FORK; 677 args->hashval = xfs_da_hashname(args->name, args->namelen); 678 679 /* 680 * We have no control over the attribute names that userspace passes us 681 * to remove, so we have to allow the name lookup prior to attribute 682 * removal to fail as well. 683 */ 684 args->op_flags = XFS_DA_OP_OKNOENT; 685 686 if (args->value) { 687 XFS_STATS_INC(mp, xs_attr_set); 688 689 args->op_flags |= XFS_DA_OP_ADDNAME; 690 args->total = xfs_attr_calc_size(args, &local); 691 692 /* 693 * If the inode doesn't have an attribute fork, add one. 694 * (inode must not be locked when we call this routine) 695 */ 696 if (XFS_IFORK_Q(dp) == 0) { 697 int sf_size = sizeof(struct xfs_attr_sf_hdr) + 698 xfs_attr_sf_entsize_byname(args->namelen, 699 args->valuelen); 700 701 error = xfs_bmap_add_attrfork(dp, sf_size, rsvd); 702 if (error) 703 return error; 704 } 705 706 tres.tr_logres = M_RES(mp)->tr_attrsetm.tr_logres + 707 M_RES(mp)->tr_attrsetrt.tr_logres * 708 args->total; 709 tres.tr_logcount = XFS_ATTRSET_LOG_COUNT; 710 tres.tr_logflags = XFS_TRANS_PERM_LOG_RES; 711 total = args->total; 712 713 if (!local) 714 rmt_blks = xfs_attr3_rmt_blocks(mp, args->valuelen); 715 } else { 716 XFS_STATS_INC(mp, xs_attr_remove); 717 718 tres = M_RES(mp)->tr_attrrm; 719 total = XFS_ATTRRM_SPACE_RES(mp); 720 rmt_blks = xfs_attr3_rmt_blocks(mp, XFS_XATTR_SIZE_MAX); 721 } 722 723 if (delayed) { 724 error = xfs_attr_use_log_assist(mp); 725 if (error) 726 return error; 727 } 728 729 /* 730 * Root fork attributes can use reserved data blocks for this 731 * operation if necessary 732 */ 733 error = xfs_trans_alloc_inode(dp, &tres, total, 0, rsvd, &args->trans); 734 if (error) 735 goto drop_incompat; 736 737 if (args->value || xfs_inode_hasattr(dp)) { 738 error = xfs_iext_count_may_overflow(dp, XFS_ATTR_FORK, 739 XFS_IEXT_ATTR_MANIP_CNT(rmt_blks)); 740 if (error) 741 goto out_trans_cancel; 742 } 743 744 error = xfs_attr_lookup(args); 745 if (args->value) { 746 if (error == -EEXIST && (args->attr_flags & XATTR_CREATE)) 747 goto out_trans_cancel; 748 if (error == -ENOATTR && (args->attr_flags & XATTR_REPLACE)) 749 goto out_trans_cancel; 750 if (error != -ENOATTR && error != -EEXIST) 751 goto out_trans_cancel; 752 753 error = xfs_attr_set_deferred(args); 754 if (error) 755 goto out_trans_cancel; 756 757 /* shortform attribute has already been committed */ 758 if (!args->trans) 759 goto out_unlock; 760 } else { 761 if (error != -EEXIST) 762 goto out_trans_cancel; 763 764 error = xfs_attr_remove_deferred(args); 765 if (error) 766 goto out_trans_cancel; 767 } 768 769 /* 770 * If this is a synchronous mount, make sure that the 771 * transaction goes to disk before returning to the user. 772 */ 773 if (xfs_has_wsync(mp)) 774 xfs_trans_set_sync(args->trans); 775 776 if (!(args->op_flags & XFS_DA_OP_NOTIME)) 777 xfs_trans_ichgtime(args->trans, dp, XFS_ICHGTIME_CHG); 778 779 /* 780 * Commit the last in the sequence of transactions. 781 */ 782 xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE); 783 error = xfs_trans_commit(args->trans); 784 out_unlock: 785 xfs_iunlock(dp, XFS_ILOCK_EXCL); 786 drop_incompat: 787 if (delayed) 788 xlog_drop_incompat_feat(mp->m_log); 789 return error; 790 791 out_trans_cancel: 792 if (args->trans) 793 xfs_trans_cancel(args->trans); 794 goto out_unlock; 795 } 796
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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