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-rw-r--r--fs/fs-writeback.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 14f06b459197..f8cd7a97f5b7 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -868,16 +868,16 @@ static void bdi_writeback_all(struct writeback_control *wbc)
WARN_ON(wbc->sync_mode == WB_SYNC_ALL);
- spin_lock(&bdi_lock);
+ rcu_read_lock();
- list_for_each_entry(bdi, &bdi_list, bdi_list) {
+ list_for_each_entry_rcu(bdi, &bdi_list, bdi_list) {
if (!bdi_has_dirty_io(bdi))
continue;
bdi_alloc_queue_work(bdi, wbc);
}
- spin_unlock(&bdi_lock);
+ rcu_read_unlock();
}
/*