io_uring stable 5.3 backports

Hi,

For some reason I forgot to mark these stable, but they should go into stable. In order of applying them, they are:

bc808bced39f4e4b626c5ea8c63d5e41fce7205a ef03681ae8df770745978148a7fb84796ae99cba a1f58ba46f794b1168d1107befcf3d4b9f9fd453 84d55dc5b9e57b513a702fbc358e1b5489651590 fb5ccc98782f654778cb8d96ba8a998304f9a51f 935d1e45908afb8853c497f2c2bbbb685dec51dc 498ccd9eda49117c34e0041563d0da6ac40e52b8 2b2ed9750fc9d040b9f6d076afcef6f00b6f1f7c

Thanks!