mm: Invalidate DAX radix tree entries only if appropriate

[sfrench/cifs-2.6.git] / include / linux / dax.h

diff --git a/include/linux/dax.h b/include/linux/dax.h
index f97bcfe794724d4fb757297851fe218268d0c86b..24ad711739955e573aefea713852b2f49a8fed85 100644 (file)
--- a/include/linux/dax.h
+++ b/include/linux/dax.h
@@ -41,6 +41,9 @@ ssize_t dax_iomap_rw(struct kiocb *iocb, struct iov_iter *iter,
 int dax_iomap_fault(struct vm_area_struct *vma, struct vm_fault *vmf,
                        struct iomap_ops *ops);
 int dax_delete_mapping_entry(struct address_space *mapping, pgoff_t index);
+int dax_invalidate_mapping_entry(struct address_space *mapping, pgoff_t index);
+int dax_invalidate_mapping_entry_sync(struct address_space *mapping,
+                                     pgoff_t index);
 void dax_wake_mapping_entry_waiter(struct address_space *mapping,
                pgoff_t index, void *entry, bool wake_all);