mm: compaction: introduce sync-light migration for use by compaction

[karo-tx-linux.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index b92b73d0b2b9e4e840769a29e367cfd72d552e9c..e694bd4434a417241613b12d93b2009598e76bc6 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -525,6 +525,7 @@ enum positive_aop_returns {
 struct page;
 struct address_space;
 struct writeback_control;
+enum migrate_mode;
 
 struct iov_iter {
        const struct iovec *iov;
@@ -614,7 +615,7 @@ struct address_space_operations {
         * is false, it must not block.
         */
        int (*migratepage) (struct address_space *,
-                       struct page *, struct page *, bool);
+                       struct page *, struct page *, enum migrate_mode);
        int (*launder_page) (struct page *);
        int (*is_partially_uptodate) (struct page *, read_descriptor_t *,
                                        unsigned long);
@@ -2540,7 +2541,8 @@ extern int generic_check_addressable(unsigned, u64);
 
 #ifdef CONFIG_MIGRATION
 extern int buffer_migrate_page(struct address_space *,
-                               struct page *, struct page *, bool);
+                               struct page *, struct page *,
+                               enum migrate_mode);
 #else
 #define buffer_migrate_page NULL
 #endif