[ceph-client:testing 14/39] net/ceph/messenger.c:988:15: error: implicit declaration of function 'iov_iter_get_pages'; did you mean 'iov_iter_get_pages2'?

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/ceph/ceph-client.git testing
head:   bc940dc5cc27be90472e00ddf510b28b29ffd6ce
commit: a5cb140194256429d5ce74439e8165390d9380a6 [14/39] libceph: add new iov_iter-based ceph_msg_data_type and ceph_osd_data_type
config: x86_64-rhel-8.3-kselftests (https://download.01.org/0day-ci/archive/20220816/202208160842.GUNdBYbK-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/ceph/ceph-client/commit/a5cb140194256429d5ce74439e8165390d9380a6
        git remote add ceph-client https://github.com/ceph/ceph-client.git
        git fetch --no-tags ceph-client testing
        git checkout a5cb140194256429d5ce74439e8165390d9380a6
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash net/ceph/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   net/ceph/messenger.c: In function 'ceph_msg_data_iter_next':
>> net/ceph/messenger.c:988:15: error: implicit declaration of function 'iov_iter_get_pages'; did you mean 'iov_iter_get_pages2'? [-Werror=implicit-function-declaration]
     988 |         len = iov_iter_get_pages(&cursor->iov_iter, &page, PAGE_SIZE,
         |               ^~~~~~~~~~~~~~~~~~
         |               iov_iter_get_pages2
   cc1: some warnings being treated as errors


vim +988 net/ceph/messenger.c

   977	
   978	static struct page *ceph_msg_data_iter_next(struct ceph_msg_data_cursor *cursor,
   979							size_t *page_offset,
   980							size_t *length)
   981	{
   982		struct page *page;
   983		ssize_t len;
   984	
   985		if (cursor->lastlen)
   986			iov_iter_revert(&cursor->iov_iter, cursor->lastlen);
   987	
 > 988		len = iov_iter_get_pages(&cursor->iov_iter, &page, PAGE_SIZE,
   989					 1, page_offset);
   990		BUG_ON(len < 0);
   991	
   992		cursor->lastlen = len;
   993	
   994		/*
   995		 * FIXME: Al Viro says that he will soon change iov_iter_get_pages
   996		 * to auto-advance the iterator. Emulate that here for now.
   997		 */
   998		iov_iter_advance(&cursor->iov_iter, len);
   999	
  1000		/*
  1001		 * FIXME: The assumption is that the pages represented by the iov_iter
  1002		 * 	  are pinned, with the references held by the upper-level
  1003		 * 	  callers, or by virtue of being under writeback. Eventually,
  1004		 * 	  we'll get an iov_iter_get_pages variant that doesn't take page
  1005		 * 	  refs. Until then, just put the page ref.
  1006		 */
  1007		VM_BUG_ON_PAGE(!PageWriteback(page) && page_count(page) < 2, page);
  1008		put_page(page);
  1009	
  1010		*length = min_t(size_t, len, cursor->resid);
  1011		return page;
  1012	}
  1013	

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