writeback: introduce .tagged_writepages for the WB_SYNC_NONE sync stage

[pandora-kernel.git] / include / linux / writeback.h

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 17e7ccc..3f6542c 100644 (file)
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -47,6 +47,7 @@ struct writeback_control {
        unsigned encountered_congestion:1; /* An output: a queue is full */
        unsigned for_kupdate:1;         /* A kupdate writeback */
        unsigned for_background:1;      /* A background writeback */
+       unsigned tagged_writepages:1;   /* tag-and-write to avoid livelock */
        unsigned for_reclaim:1;         /* Invoked from the page allocator */
        unsigned range_cyclic:1;        /* range_start is cyclic */
        unsigned more_io:1;             /* more io to be dispatched */