[PATCH 5.10-stable 0/3] backports for 5.10

5.10-stable, 2/3 is a dependency, the other two failed to apply.

Pavel Begunkov (3): io_uring: synchronise IOPOLL on task_submit fail io_uring: limit {io|sq}poll submit locking scope io_uring: patch up IOPOLL overflow_flush sync

fs/io_uring.c | 88 ++++++++++++++++++++++++++++----------------------- 1 file changed, 48 insertions(+), 40 deletions(-)