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-rw-r--r--fs/ioprio.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ioprio.c b/fs/ioprio.c
index 3db31038e9ab..06578311c63f 100644
--- a/fs/ioprio.c
+++ b/fs/ioprio.c
@@ -44,6 +44,9 @@ static int set_task_ioprio(struct task_struct *task, int ioprio)
task->ioprio = ioprio;
ioc = task->io_context;
+ /* see wmb() in current_io_context() */
+ smp_read_barrier_depends();
+
if (ioc && ioc->set_ioprio)
ioc->set_ioprio(ioc, ioprio);