diff options
Diffstat (limited to 'include/linux/dax.h')
| -rw-r--r-- | include/linux/dax.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/dax.h b/include/linux/dax.h index 4f27d3dbf6e8..9b51f9d40ad9 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -18,4 +18,8 @@ int dax_pfn_mkwrite(struct vm_area_struct *, struct vm_fault *); #define dax_mkwrite(vma, vmf, gb, iod) dax_fault(vma, vmf, gb, iod) #define __dax_mkwrite(vma, vmf, gb, iod) __dax_fault(vma, vmf, gb, iod) +static inline bool vma_is_dax(struct vm_area_struct *vma) +{ + return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host); +} #endif |