Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus

[karo-tx-linux.git] / include / linux / dax.h

diff --git a/include/linux/dax.h b/include/linux/dax.h
index b415e521528de3d5fc5db598fb588f688f42d307..8204c3dc3800f37839513d7f2c0567d6a41f87a7 100644 (file)
--- a/include/linux/dax.h
+++ b/include/linux/dax.h
@@ -36,4 +36,11 @@ static inline bool vma_is_dax(struct vm_area_struct *vma)
 {
        return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host);
 }
+
+static inline bool dax_mapping(struct address_space *mapping)
+{
+       return mapping->host && IS_DAX(mapping->host);
+}
+int dax_writeback_mapping_range(struct address_space *mapping, loff_t start,
+               loff_t end);
 #endif