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-rw-r--r--fs/fs-writeback.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 6766de9f9d75..325a30cc35bf 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1248,11 +1248,6 @@ void cgroup_writeback_umount(struct super_block *sb)
* will then drain it.
*/
synchronize_rcu();
- /*
- * Use rcu_barrier() to wait for all pending callbacks to
- * ensure that all in-flight wb switches are in the workqueue.
- */
- rcu_barrier();
flush_workqueue(isw_wq);
}
}