1 files changed, 31 insertions, 0 deletions

diff --git a/include/linux/mpage.h b/include/linux/mpage.h
new file mode 100644
index 000000000000..dea1b0083661
--- /dev/null
+++ b/include/linux/mpage.h
@@ -0,0 +1,31 @@
+/*
+ * include/linux/mpage.h
+ *
+ * Contains declarations related to preparing and submitting BIOS which contain
+ * multiple pagecache pages.
+ */
+
+/*
+ * (And no, it doesn't do the #ifdef __MPAGE_H thing, and it doesn't do
+ * nested includes.  Get it right in the .c file).
+ */
+
+struct writeback_control;
+typedef int (writepage_t)(struct page *page, struct writeback_control *wbc);
+
+int mpage_readpages(struct address_space *mapping, struct list_head *pages,
+                                unsigned nr_pages, get_block_t get_block);
+int mpage_readpage(struct page *page, get_block_t get_block);
+int mpage_writepages(struct address_space *mapping,
+                struct writeback_control *wbc, get_block_t get_block);
+int mpage_writepage(struct page *page, get_block_t *get_block,
+                struct writeback_control *wbc);
+int __mpage_writepages(struct address_space *mapping,
+                struct writeback_control *wbc, get_block_t get_block,
+                writepage_t writepage);
+
+static inline int
+generic_writepages(struct address_space *mapping, struct writeback_control *wbc)
+{
+        return mpage_writepages(mapping, wbc, NULL);
+}