Hi John, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.18-rc3] [cannot apply to next-20180629] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/john-hubbard-gmail-com/mm-fs-gup-don-t-unmap-or-drop-filesystem-buffers/20180702-090125 config: i386-randconfig-x075-201826 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): fs/f2fs/dir.c: In function 'f2fs_delete_entry': >> fs/f2fs/dir.c:734:33: error: 'WB_SYNC_ALL' undeclared (first use in this function); did you mean 'FS_SYNC_FL'? clear_page_dirty_for_io(page, WB_SYNC_ALL); ^~~~~~~~~~~ FS_SYNC_FL fs/f2fs/dir.c:734:33: note: each undeclared identifier is reported only once for each function it appears in -- fs/f2fs/inline.c: In function 'f2fs_convert_inline_page': >> fs/f2fs/inline.c:139:50: error: dereferencing pointer to incomplete type 'struct writeback_control' dirty = clear_page_dirty_for_io(page, fio.io_wbc->sync_mode); ^~ -- In file included from include/linux/kernel.h:10:0, from include/linux/list.h:9, from include/linux/wait.h:7, from include/linux/wait_bit.h:8, from include/linux/fs.h:6, from fs/f2fs/checkpoint.c:11: fs/f2fs/checkpoint.c: In function 'commit_checkpoint': >> fs/f2fs/checkpoint.c:1200:49: error: invalid type argument of '->' (have 'struct writeback_control') if (unlikely(!clear_page_dirty_for_io(page, wbc->sync_mode))) ^ include/linux/compiler.h:77:42: note: in definition of macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ -- fs/f2fs/data.c: In function 'f2fs_write_cache_pages': >> fs/f2fs/data.c:2021:9: error: too few arguments to function 'clear_page_dirty_for_io' if (!clear_page_dirty_for_io(page), wbc->sync_mode) ^~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/pagemap.h:8:0, from include/linux/f2fs_fs.h:14, from fs/f2fs/data.c:12: include/linux/mm.h:1540:5: note: declared here int clear_page_dirty_for_io(struct page *page, int sync_mode); ^~~~~~~~~~~~~~~~~~~~~~~ fs/f2fs/data.c:2021:38: warning: left-hand operand of comma expression has no effect [-Wunused-value] if (!clear_page_dirty_for_io(page), wbc->sync_mode) ^ vim +734 fs/f2fs/dir.c 690 691 /* 692 * It only removes the dentry from the dentry page, corresponding name 693 * entry in name page does not need to be touched during deletion. 694 */ 695 void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, 696 struct inode *dir, struct inode *inode) 697 { 698 struct f2fs_dentry_block *dentry_blk; 699 unsigned int bit_pos; 700 int slots = GET_DENTRY_SLOTS(le16_to_cpu(dentry->name_len)); 701 int i; 702 703 f2fs_update_time(F2FS_I_SB(dir), REQ_TIME); 704 705 if (F2FS_OPTION(F2FS_I_SB(dir)).fsync_mode == FSYNC_MODE_STRICT) 706 f2fs_add_ino_entry(F2FS_I_SB(dir), dir->i_ino, TRANS_DIR_INO); 707 708 if (f2fs_has_inline_dentry(dir)) 709 return f2fs_delete_inline_entry(dentry, page, dir, inode); 710 711 lock_page(page); 712 f2fs_wait_on_page_writeback(page, DATA, true); 713 714 dentry_blk = page_address(page); 715 bit_pos = dentry - dentry_blk->dentry; 716 for (i = 0; i < slots; i++) 717 __clear_bit_le(bit_pos + i, &dentry_blk->dentry_bitmap); 718 719 /* Let's check and deallocate this dentry page */ 720 bit_pos = find_next_bit_le(&dentry_blk->dentry_bitmap, 721 NR_DENTRY_IN_BLOCK, 722 0); 723 set_page_dirty(page); 724 725 dir->i_ctime = dir->i_mtime = current_time(dir); 726 f2fs_mark_inode_dirty_sync(dir, false); 727 728 if (inode) 729 f2fs_drop_nlink(dir, inode); 730 731 if (bit_pos == NR_DENTRY_IN_BLOCK && 732 !f2fs_truncate_hole(dir, page->index, page->index + 1)) { 733 f2fs_clear_radix_tree_dirty_tag(page); > 734 clear_page_dirty_for_io(page, WB_SYNC_ALL); 735 ClearPagePrivate(page); 736 ClearPageUptodate(page); 737 inode_dec_dirty_pages(dir); 738 f2fs_remove_dirty_inode(dir); 739 } 740 f2fs_put_page(page, 1); 741 } 742 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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