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-rw-r--r--include/linux/fs.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 9d319f1f66f6..a9242f336f02 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -344,6 +344,10 @@ struct address_space_operations {
/* Set a page dirty. Return true if this dirtied it */
int (*set_page_dirty)(struct page *page);
+ /*
+ * Reads in the requested pages. Unlike ->readpage(), this is
+ * PURELY used for read-ahead!.
+ */
int (*readpages)(struct file *filp, struct address_space *mapping,
struct list_head *pages, unsigned nr_pages);