[linux-next:master 9533/9538] fs/dax.c:916:17: warning: passing argument 1 of '__dax_dbg' from incompatible pointer type

[linux-next:master 9533/9538] fs/dax.c:916:17: warning: passing argument 1 of '__dax_dbg' from incompatible pointer type

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 2079 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   719d6c1b9f86112fd9b5771ff009f678c1e00845
commit: 3cb108f941debe7449cb5de6e9898822d341a49c [9533/9538] dax-add-support-for-fsync-sync-v6
config: x86_64-randconfig-s2-01010040 (attached as .config)
reproduce:
        git checkout 3cb108f941debe7449cb5de6e9898822d341a49c
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   fs/dax.c: In function '__dax_pmd_fault':
>> fs/dax.c:916:17: warning: passing argument 1 of '__dax_dbg' from incompatible pointer type [-Wincompatible-pointer-types]
        dax_pmd_dbg(bdev, address,
                    ^
   fs/dax.c:754:52: note: in definition of macro 'dax_pmd_dbg'
    #define dax_pmd_dbg(bh, address, reason) __dax_dbg(bh, address, reason, "dax_pmd")
                                                       ^
   fs/dax.c:738:13: note: expected 'struct buffer_head *' but argument is of type 'struct block_device *'
    static void __dax_dbg(struct buffer_head *bh, unsigned long address,
                ^

vim +/__dax_dbg +916 fs/dax.c

   900				goto fallback;
   901			}
   902	
   903			if (buffer_unwritten(&bh) || buffer_new(&bh)) {
   904				clear_pmem(dax.addr, PMD_SIZE);
   905				wmb_pmem();
   906				count_vm_event(PGMAJFAULT);
   907				mem_cgroup_count_vm_event(vma->vm_mm, PGMAJFAULT);
   908				result |= VM_FAULT_MAJOR;
   909			}
   910			dax_unmap_atomic(bdev, &dax);
   911	
   912			if (write) {
   913				error = dax_radix_entry(mapping, pgoff, dax.sector,
   914						true, true);
   915				if (error) {
 > 916					dax_pmd_dbg(bdev, address,
   917							"PMD radix insertion failed");
   918					goto fallback;
   919				}
   920			}
   921	
   922			dev_dbg(part_to_dev(bdev->bd_part),
   923					"%s: %s addr: %lx pfn: %lx sect: %llx\n",
   924					__func__, current->comm, address,

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

[-- Attachment #2: .config.gz --]
[-- Type: application/octet-stream, Size: 21358 bytes --]