Merge tag 'docs-5.10-2' of git://git.lwn.net/linux

[linux-2.6-microblaze.git] / include / linux / dax.h

diff --git a/include/linux/dax.h b/include/linux/dax.h
index e153572..b52f084 100644 (file)
--- a/include/linux/dax.h
+++ b/include/linux/dax.h
@@ -149,6 +149,7 @@ int dax_writeback_mapping_range(struct address_space *mapping,
                struct dax_device *dax_dev, struct writeback_control *wbc);
 
 struct page *dax_layout_busy_page(struct address_space *mapping);
+struct page *dax_layout_busy_page_range(struct address_space *mapping, loff_t start, loff_t end);
 dax_entry_t dax_lock_page(struct page *page);
 void dax_unlock_page(struct page *page, dax_entry_t cookie);
 #else
@@ -179,6 +180,11 @@ static inline struct page *dax_layout_busy_page(struct address_space *mapping)
        return NULL;
 }
 
+static inline struct page *dax_layout_busy_page_range(struct address_space *mapping, pgoff_t start, pgoff_t nr_pages)
+{
+       return NULL;
+}
+
 static inline int dax_writeback_mapping_range(struct address_space *mapping,
                struct dax_device *dax_dev, struct writeback_control *wbc)
 {