[dhowells-fs:ceph-iter 105/105] fs/ceph/addr.c:901:37: error: no member named 'head_snapc' in 'struct ceph_inode_info'; did you mean 'i_head_snapc'?

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git ceph-iter
head:   2cf82c6e7baf6d3a2adc0692707028da395f1553
commit: 2cf82c6e7baf6d3a2adc0692707028da395f1553 [105/105] ceph: Use netfslib
config: i386-buildonly-randconfig-002-20240116 (https://download.01.org/0day-ci/archive/20240117/202401171301.BfWU6V0h-lkp@intel.com/config)
compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240117/202401171301.BfWU6V0h-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401171301.BfWU6V0h-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

>> net/ceph/snapshot.c:40:22: warning: cast from 'void (*)(const void *)' to 'void (*)(struct netfs_group *)' converts to incompatible function type [-Wcast-function-type-strict]
      40 |         snapc->group.free = (void (*)(struct netfs_group *))kfree;
         |                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning generated.
--
>> fs/ceph/addr.c:547:1: warning: unused label 'out' [-Wunused-label]
     547 | out:
         | ^~~~
>> fs/ceph/addr.c:901:37: error: no member named 'head_snapc' in 'struct ceph_inode_info'; did you mean 'i_head_snapc'?
     901 |         return netfs_page_mkwrite(vmf, ci->head_snapc);
         |                                            ^~~~~~~~~~
         |                                            i_head_snapc
   fs/ceph/super.h:415:28: note: 'i_head_snapc' declared here
     415 |         struct ceph_snap_context *i_head_snapc;  /* set if wr_buffer_head > 0 or
         |                                   ^
   1 warning and 1 error generated.
--
   fs/ceph/crypto.c:545:5: warning: no previous prototype for function 'ceph_fscrypt_decrypt_pages' [-Wmissing-prototypes]
     545 | int ceph_fscrypt_decrypt_pages(struct inode *inode, struct ceph_databuf *dbuf,
         |     ^
   fs/ceph/crypto.c:545:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     545 | int ceph_fscrypt_decrypt_pages(struct inode *inode, struct ceph_databuf *dbuf,
         | ^
         | static 
   fs/ceph/crypto.c:591:5: error: conflicting types for 'ceph_fscrypt_decrypt_extents'
     591 | int ceph_fscrypt_decrypt_extents(struct inode *inode, struct page **page,
         |     ^
   fs/ceph/crypto.h:160:5: note: previous declaration is here
     160 | int ceph_fscrypt_decrypt_extents(struct inode *inode, struct ceph_databuf *dbuf, u64 off,
         |     ^
   fs/ceph/crypto.c:625:44: error: incompatible pointer types passing 'struct page **' to parameter of type 'struct ceph_databuf *' [-Werror,-Wincompatible-pointer-types]
     625 |                 fret = ceph_fscrypt_decrypt_pages(inode, &page[pgidx],
         |                                                          ^~~~~~~~~~~~
   fs/ceph/crypto.c:545:74: note: passing argument to parameter 'dbuf' here
     545 | int ceph_fscrypt_decrypt_pages(struct inode *inode, struct ceph_databuf *dbuf,
         |                                                                          ^
>> fs/ceph/crypto.c:644:35: error: use of undeclared identifier 'op'
     644 |         struct ceph_sparse_extent *map = op->extent.sparse_ext;
         |                                          ^
>> fs/ceph/crypto.c:645:42: error: use of undeclared identifier 'inode'
     645 |         struct ceph_inode_info *ci = ceph_inode(inode);
         |                                                 ^
   fs/ceph/crypto.c:647:16: error: use of undeclared identifier 'op'
     647 |         u32 ext_cnt = op->extent.sparse_ext_cnt;
         |                       ^
>> fs/ceph/crypto.c:671:45: error: use of undeclared identifier 'page'
     671 |                 fret = ceph_fscrypt_decrypt_pages(inode, &page[pgidx],
         |                                                           ^
   fs/ceph/crypto.c:671:37: error: use of undeclared identifier 'inode'
     671 |                 fret = ceph_fscrypt_decrypt_pages(inode, &page[pgidx],
         |                                                   ^
>> fs/ceph/crypto.c:672:8: error: use of undeclared identifier 'off'
     672 |                                                  off + pgsoff, ext->len);
         |                                                  ^
>> fs/ceph/crypto.c:640:5: warning: no previous prototype for function 'ceph_decrypt_block' [-Wmissing-prototypes]
     640 | int ceph_decrypt_block(struct netfs_io_request *rreq, loff_t pos, size_t len,
         |     ^
   fs/ceph/crypto.c:640:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     640 | int ceph_decrypt_block(struct netfs_io_request *rreq, loff_t pos, size_t len,
         | ^
         | static 
>> fs/ceph/crypto.c:686:5: warning: no previous prototype for function 'ceph_encrypt_block' [-Wmissing-prototypes]
     686 | int ceph_encrypt_block(struct netfs_io_request *wreq, loff_t pos, size_t len,
         |     ^
   fs/ceph/crypto.c:686:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     686 | int ceph_encrypt_block(struct netfs_io_request *wreq, loff_t pos, size_t len,
         | ^
         | static 
   3 warnings and 8 errors generated.
--
   fs/ceph/file.c:1129:44: warning: variable 'pages' is uninitialized when used here [-Wuninitialized]
    1129 |                         ceph_zero_page_vector_range(zoff, zlen, pages);
         |                                                                 ^~~~~
   fs/ceph/file.c:1021:22: note: initialize the variable 'pages' to silence this warning
    1021 |                 struct page **pages;
         |                                    ^
         |                                     = NULL
>> fs/ceph/file.c:1664:34: error: use of undeclared identifier 'len'
    1664 |         netfs_subreq_terminated(subreq, len, err);
         |                                         ^
>> fs/ceph/file.c:1761:25: error: incompatible pointer types passing 'struct ceph_osd_request *' to parameter of type 'struct netfs_io_subrequest *' [-Werror,-Wincompatible-pointer-types]
    1761 |                 ceph_upload_to_server(req);
         |                                       ^~~
   fs/ceph/file.c:1667:63: note: passing argument to parameter 'subreq' here
    1667 | static void ceph_upload_to_server(struct netfs_io_subrequest *subreq)
         |                                                               ^
   1 warning and 2 errors generated.


vim +901 fs/ceph/addr.c

   890	
   891	/*
   892	 * Notification that a previously read-only page is about to become writable.
   893	 * Note that the caller indicates a single page of a multipage folio.
   894	 */
   895	static vm_fault_t ceph_page_mkwrite(struct vm_fault *vmf)
   896	{
   897		struct ceph_snap_context *snapc;
   898		struct inode *inode = file_inode(vmf->vma->vm_file);
   899		struct ceph_inode_info *ci = ceph_inode(inode);
   900	
 > 901		return netfs_page_mkwrite(vmf, ci->head_snapc);
   902	}
   903	

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