mm: vmscan: take page buffers dirty and locked state into account

[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / linux / buffer_head.h

diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 9e52b06..91fa9a9 100644 (file)
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -139,6 +139,9 @@ BUFFER_FNS(Prio, prio)
        })
 #define page_has_buffers(page) PagePrivate(page)
 
+void buffer_check_dirty_writeback(struct page *page,
+                                    bool *dirty, bool *writeback);
+
 /*
  * Declarations
  */
@@ -198,7 +201,8 @@ extern int buffer_heads_over_limit;
  * Generic address_space_operations implementations for buffer_head-backed
  * address_spaces.
  */
-void block_invalidatepage(struct page *page, unsigned long offset);
+void block_invalidatepage(struct page *page, unsigned int offset,
+                         unsigned int length);
 int block_write_full_page(struct page *page, get_block_t *get_block,
                                struct writeback_control *wbc);
 int block_write_full_page_endio(struct page *page, get_block_t *get_block,