Re: io_uring stable 5.3 backports

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On Sat, Oct 26, 2019 at 05:33:41PM -0600, Jens Axboe wrote:
Hi,

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

bc808bced39f4e4b626c5ea8c63d5e41fce7205a

This commit says it fixes c576666863b78 ("io_uring: optimize
submit_and_wait API") which is not in the stable tree.

ef03681ae8df770745978148a7fb84796ae99cba

This commit doesn't say so, but really it fixes 5262f567987d3
("io_uring: IORING_OP_TIMEOUT support") which is not in the stable tree.

a1f58ba46f794b1168d1107befcf3d4b9f9fd453

Same as the commit above.

84d55dc5b9e57b513a702fbc358e1b5489651590
fb5ccc98782f654778cb8d96ba8a998304f9a51f

This needed some massaging to work around not having 4fe2c963154c3
("io_uring: add support for link with drain"). I've fixed it up and
queued it.

935d1e45908afb8853c497f2c2bbbb685dec51dc

I think that Greg's scripts didn't like how much this code moved around
and refused to deal with it. I've verified patching did the right thing
and queued it up.

498ccd9eda49117c34e0041563d0da6ac40e52b8

This one needed massaging to work around missing 75b28affdd6ae
("io_uring: allocate the two rings together") in the stable tree. I've
fixed it up and queued it up.


Jens, could you please take a look at my backport of fb5ccc98782f65:

https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.3/io_uring-fix-broken-links-with-offloading.patch

And 498ccd9eda491:

https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.3/io_uring-used-cached-copies-of-sq-dropped-and-cq-ove.patch

And confirm I did the right thing?

--
Thanks,
Sasha



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