Btrfs: don't walk around with task->state != TASK_RUNNING

[deliverable/linux.git] / include / linux / writeback.h

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 76e8903cd204d4b2a21a8577a00150532c3dc24f..36520ded3e062701866a5a4941e1cc0a85d19b37 100644 (file)
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -34,6 +34,9 @@ struct writeback_control {
        enum writeback_sync_modes sync_mode;
        unsigned long *older_than_this; /* If !NULL, only write back inodes
                                           older than this */
+       unsigned long wb_start;         /* Time writeback_inodes_wb was
+                                          called. This is needed to avoid
+                                          extra jobs and livelock */
        long nr_to_write;               /* Write this many pages, and decrement
                                           this for each page written */
        long pages_skipped;             /* Pages which were not written */