[kbuild-all] [dgc-xfs:xfs-async-inode-reclaim-4 30/31] fs/xfs/xfs_inode_item.c:649:1: warning: no previous prototype for function 'xfs_iflush_ail_updates'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs.git xfs-async-inode-reclaim-4 head: 832cf7c3f1a42e662caff9da758f13c868422b81 commit: 19aba281d8dc0e0bfe900bb2f6848690257679ce [30/31] xfs: factor xfs_iflush_done config: x86_64-randconfig-r026-20200622 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 1d4c87335d5236ea1f35937e1014980ba961ae34) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout 19aba281d8dc0e0bfe900bb2f6848690257679ce # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): xfs_iflush_ail_updates( ^ fs/xfs/xfs_inode_item.c:648:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void ^ static xfs_iflush_finish( ^ fs/xfs/xfs_inode_item.c:678:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void ^ static 2 warnings generated. vim +/xfs_iflush_ail_updates +649 fs/xfs/xfs_inode_item.c 641 642 643 /* 644 * We only want to pull the item from the AIL if it is actually there 645 * and its location in the log has not changed since we started the 646 * flush. Thus, we only bother if the inode's lsn has not changed. 647 */ 648 void 650 struct xfs_ail *ailp, 651 struct list_head *list) 652 { 653 struct xfs_log_item *lip; 654 xfs_lsn_t tail_lsn = 0; 655 656 /* this is an opencoded batch version of xfs_trans_ail_delete */ 657 spin_lock(&ailp->ail_lock); 658 list_for_each_entry(lip, list, li_bio_list) { 659 xfs_lsn_t lsn; 660 661 clear_bit(XFS_LI_FAILED, &lip->li_flags); 662 if (INODE_ITEM(lip)->ili_flush_lsn != lip->li_lsn) 663 continue; 664 665 lsn = xfs_ail_delete_one(ailp, lip); 666 if (!tail_lsn && lsn) 667 tail_lsn = lsn; 668 } 669 xfs_ail_update_finish(ailp, tail_lsn); 670 } 671 672 /* 673 * Walk the list of inodes that have completed their IOs. If they are clean 674 * remove them from the list and dissociate them from the buffer. Buffers that 675 * are still dirty remain linked to the buffer and on the list. Caller must 676 * handle them appropriately. 677 */ 678 void 680 struct xfs_buf *bp, 681 struct list_head *list) 682 { 683 struct xfs_log_item *lip, *n; 684 685 list_for_each_entry_safe(lip, n, list, li_bio_list) { 686 struct xfs_inode_log_item *iip = INODE_ITEM(lip); 687 bool drop_buffer = false; 688 689 spin_lock(&iip->ili_lock); 690 691 /* 692 * Remove the reference to the cluster buffer if the inode is 693 * clean in memory and drop the buffer reference once we've 694 * dropped the locks we hold. 695 */ 696 ASSERT(iip->ili_item.li_buf == bp); 697 if (!iip->ili_fields) { 698 iip->ili_item.li_buf = NULL; 699 list_del_init(&lip->li_bio_list); 700 drop_buffer = true; 701 } 702 iip->ili_last_fields = 0; 703 iip->ili_flush_lsn = 0; 704 spin_unlock(&iip->ili_lock); 705 xfs_ifunlock(iip->ili_inode); 706 if (drop_buffer) 707 xfs_buf_rele(bp); 708 } 709 } 710 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org