dma-buf/sync_file: document flags field

Documentation for it was missing.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20170731193655.6176-1-gustavo@padovan.org

1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/sync_file.h b/include/linux/sync_file.h
index 0ad87c434ae6..790ca021203a 100644
--- a/include/linux/sync_file.h
+++ b/include/linux/sync_file.h
@@ -25,8 +25,12 @@
  * @file:               file representing this fence
  * @sync_file_list:     membership in global file list
  * @wq:                 wait queue for fence signaling
+ * @flags:              flags for the sync_file
  * @fence:              fence with the fences in the sync_file
  * @cb:                 fence callback information
+ *
+ * flags:
+ * POLL_ENABLED: whether userspace is currently poll()'ing or not
  */
 struct sync_file {
         struct file             *file;