diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/writeback.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index dda5cf228172..33a50fa09fac 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -68,6 +68,15 @@ struct writeback_control { unsigned for_reclaim:1; /* Invoked from the page allocator */ unsigned range_cyclic:1; /* range_start is cyclic */ unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */ + + /* + * When writeback IOs are bounced through async layers, only the + * initial synchronous phase should be accounted towards inode + * cgroup ownership arbitration to avoid confusion. Later stages + * can set the following flag to disable the accounting. + */ + unsigned no_cgroup_owner:1; + #ifdef CONFIG_CGROUP_WRITEBACK struct bdi_writeback *wb; /* wb this writeback is issued under */ struct inode *inode; /* inode being written out */ |