tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   7207a315977b07013f25ae9a3c1f8168facb6343
commit: ddf01a6082ce698d35b66ca864b37642f5863596 [57/249] ocfs2: add functions to add and remove inode in orphan dir
config: s390-allmodconfig (attached as .config)
reproduce:
  wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
  chmod +x ~/bin/make.cross
  git checkout ddf01a6082ce698d35b66ca864b37642f5863596
  # save the attached .config to linux build tree
  make.cross ARCH=s390 

All warnings:

   fs/ocfs2/namei.c: In function 'ocfs2_del_inode_from_orphan':
>> fs/ocfs2/namei.c:2767:31: warning: suggest parentheses around operand of '!' or change '&' to '&&' or '!' to '~' [-Wparentheses]
     BUG_ON(!di->i_flags & cpu_to_le32(OCFS2_DIO_ORPHANED_FL));
                                  ^

vim +2767 fs/ocfs2/namei.c

  2751		mutex_lock(&orphan_dir_inode->i_mutex);
  2752		status = ocfs2_inode_lock(orphan_dir_inode, &orphan_dir_bh, 1);
  2753		if (status < 0) {
  2754			mutex_unlock(&orphan_dir_inode->i_mutex);
  2755			iput(orphan_dir_inode);
  2756			mlog_errno(status);
  2757			goto bail_unlock_inode;
  2758		}
  2759	
  2760		handle = ocfs2_start_trans(osb,
  2761				OCFS2_INODE_DEL_FROM_ORPHAN_CREDITS);
  2762		if (IS_ERR(handle)) {
  2763			status = PTR_ERR(handle);
  2764			goto bail_unlock_orphan;
  2765		}
  2766	
> 2767		BUG_ON(!di->i_flags & cpu_to_le32(OCFS2_DIO_ORPHANED_FL));
  2768	
  2769		/* Only delete entry if OCFS2_ORPHANED_FL not set, or
  2770		 * there are two entries added */
  2771		if (!(di->i_flags & cpu_to_le32(OCFS2_ORPHANED_FL)) ||
  2772				(di->i_flags & cpu_to_le32(OCFS2_ORPHANED_FL) &&
  2773				(di->i_orphaned_slot != di->i_dio_orphaned_slot))) {
  2774			status = ocfs2_orphan_del(osb, handle, orphan_dir_inode,
  2775					inode, orphan_dir_bh);

---
0-DAY kernel test infrastructure                Open Source Technology Center
http://lists.01.org/mailman/listinfo/kbuild                 Intel Corporation