tree:   https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git dev-test
head:   8aa390ac7b8e2b959258243bcd241ac7623b5840
commit: 8aa390ac7b8e2b959258243bcd241ac7623b5840 [5/5] erofs: introduce 
readmore decompression strategy
config: hexagon-randconfig-r041-20211010 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 
903b30fea21f99d8f48fde4defcc838970e30ee1)
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://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git/commit/?id=8aa390ac7b8e2b959258243bcd241ac7623b5840
        git remote add xiang-erofs 
https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
        git fetch --no-tags xiang-erofs dev-test
        git checkout 8aa390ac7b8e2b959258243bcd241ac7623b5840
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 
O=build_dir ARCH=hexagon SHELL=/bin/bash fs/erofs/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>

All errors (new ones prefixed by >>):

>> fs/erofs/zdata.c:1527:10: error: no member named 'ctx' in 'struct 
>> erofs_sb_info'
                            sbi->ctx.readahead_sync_decompress &&
                            ~~~  ^
   fs/erofs/zdata.c:1528:22: error: no member named 'ctx' in 'struct 
erofs_sb_info'
                            nr_pages <= sbi->ctx.max_sync_decompress_pages);
                                        ~~~  ^
   2 errors generated.


vim +1527 fs/erofs/zdata.c

  1486  
  1487  static void z_erofs_readahead(struct readahead_control *rac)
  1488  {
  1489          struct inode *const inode = rac->mapping->host;
  1490          struct erofs_sb_info *const sbi = EROFS_I_SB(inode);
  1491          struct z_erofs_decompress_frontend f = 
DECOMPRESS_FRONTEND_INIT(inode);
  1492          struct page *page, *head = NULL;
  1493          unsigned int nr_pages;
  1494          LIST_HEAD(pagepool);
  1495  
  1496          f.readahead = true;
  1497          f.headoffset = readahead_pos(rac);
  1498  
  1499          z_erofs_pcluster_readmore(&f, rac, f.headoffset +
  1500                                    readahead_length(rac) - 1, &pagepool, 
true);
  1501          nr_pages = readahead_count(rac);
  1502          trace_erofs_readpages(inode, readahead_index(rac), nr_pages, 
false);
  1503  
  1504          while ((page = readahead_page(rac))) {
  1505                  set_page_private(page, (unsigned long)head);
  1506                  head = page;
  1507          }
  1508  
  1509          while (head) {
  1510                  struct page *page = head;
  1511                  int err;
  1512  
  1513                  /* traversal in reverse order */
  1514                  head = (void *)page_private(page);
  1515  
  1516                  err = z_erofs_do_read_page(&f, page, &pagepool);
  1517                  if (err)
  1518                          erofs_err(inode->i_sb,
  1519                                    "readahead error at page %lu @ nid 
%llu",
  1520                                    page->index, EROFS_I(inode)->nid);
  1521                  put_page(page);
  1522          }
  1523          z_erofs_pcluster_readmore(&f, rac, 0, &pagepool, false);
  1524          (void)z_erofs_collector_end(&f.clt);
  1525  
  1526          z_erofs_runqueue(inode->i_sb, &f, &pagepool,
> 1527                           sbi->ctx.readahead_sync_decompress &&
  1528                           nr_pages <= 
sbi->ctx.max_sync_decompress_pages);
  1529          if (f.map.mpage)
  1530                  put_page(f.map.mpage);
  1531  
  1532          /* clean up the remaining free pages */
  1533          put_pages_list(&pagepool);
  1534  }
  1535  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

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