diff --git a/fs/io_uring.c b/fs/io_uring.c index 40cbb76ed770f4c954ff41016adc199c92819879..ed348a47cea1075b0abdf79c1efca484107f00c9 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -5030,11 +5030,14 @@ static int io_sqe_files_unregister(struct io_ring_ctx *ctx) return -ENXIO; /* protect against inflight atomic switch, which drops the ref */ - flush_work(&data->ref_work); percpu_ref_get(&data->refs); + /* wait for existing switches */ + flush_work(&data->ref_work); percpu_ref_kill_and_confirm(&data->refs, io_file_ref_kill); wait_for_completion(&data->done); percpu_ref_put(&data->refs); + /* flush potential new switch */ + flush_work(&data->ref_work); percpu_ref_exit(&data->refs); __io_sqe_files_unregister(ctx);