LU-2101 clio: cl_sync_io_wait() need a barrier

[fs/lustre-release.git] / lustre / include / cl_object.h

diff --git a/lustre/include/cl_object.h b/lustre/include/cl_object.h
index bd254e8..087e251 100644 (file)
--- a/lustre/include/cl_object.h
+++ b/lustre/include/cl_object.h
@@ -3193,12 +3193,14 @@ void cl_req_completion(const struct lu_env *env, struct cl_req *req, int ioret);
  * anchor and wakes up waiting thread when transfer is complete.
  */
 struct cl_sync_io {
-        /** number of pages yet to be transferred. */
-        cfs_atomic_t          csi_sync_nr;
-        /** completion to be signaled when transfer is complete. */
-        cfs_waitq_t          csi_waitq;
-        /** error code. */
-        int                   csi_sync_rc;
+       /** number of pages yet to be transferred. */
+       cfs_atomic_t            csi_sync_nr;
+       /** error code. */
+       int                     csi_sync_rc;
+       /** barrier of destroy this structure */
+       cfs_atomic_t            csi_barrier;
+       /** completion to be signaled when transfer is complete. */
+       cfs_waitq_t             csi_waitq;
 };
 
 void cl_sync_io_init(struct cl_sync_io *anchor, int nrpages);