1 files changed, 5 insertions, 0 deletions

diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index ac5d01085884..48a4882d8ad5 100644
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -718,13 +718,18 @@ static void reada_start_machine_worker(struct btrfs_work *work)
 {
         struct reada_machine_work *rmw;
         struct btrfs_fs_info *fs_info;
+        int old_ioprio;
 
         rmw = container_of(work, struct reada_machine_work, work);
         fs_info = rmw->fs_info;
 
         kfree(rmw);
 
+        old_ioprio = IOPRIO_PRIO_VALUE(task_nice_ioclass(current),
+                                       task_nice_ioprio(current));
+        set_task_ioprio(current, BTRFS_IOPRIO_READA);
         __reada_start_machine(fs_info);
+        set_task_ioprio(current, old_ioprio);
 }
 
 static void __reada_start_machine(struct btrfs_fs_info *fs_info)