6.1-stable backports

Attachments:

• 0003-io_uring-rw-avoid-punting-to-io-wq-directly.patch (text/x-patch — 3.1 KB)
• 0002-io_uring-rw-treat-EOPNOTSUPP-for-IOCB_NOWAIT-like-EA.patch (text/x-patch — 1.7 KB)
• 0001-io_uring-rw-split-io_read-into-a-helper.patch (text/x-patch — 1.6 KB)