There is no parameter "sync" in address_space_operations->migratepage().
It should be mograte_mode. And the comment is for MIGRATE_ASYNC.
Signed-off-by: Tang Chen <tangc...@cn.fujitsu.com>
---
include/linux/fs.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 43db02e..c1a76ac 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -372,8 +372,8 @@ struct address_space_operations {
int (*get_xip_mem)(struct address_space *, pgoff_t, int,
void **, unsigned long *);
/*
- * migrate the contents of a page to the specified target. If sync
- * is false, it must not block.
+ * migrate the contents of a page to the specified target. If
+ * migrate_mode is MIGRATE_ASYNC, it must not block.
*/
int (*migratepage) (struct address_space *,
struct page *, struct page *, enum migrate_mode);
--
1.7.1
--
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