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* [PATCHSET v3] io_uring fixes for 5.5-rc3
@ 2019-12-18 17:18 Jens Axboe
  2019-12-18 17:18 ` [PATCH 01/13] io_uring: fix stale comment and a few typos Jens Axboe
                   ` (12 more replies)
  0 siblings, 13 replies; 14+ messages in thread
From: Jens Axboe @ 2019-12-18 17:18 UTC (permalink / raw)
  To: io-uring

This should be final for 5.5-rc3, I've run this through all the
testing and we're solid. The main changes since v2 are:

- Add Pavel's patch for the wait-and-submit issue
- Drop the ->free_req() addition. We can do this without adding
  extra io_async_ctx storage.
- Fixed a missing check for CONFIG_NET

I think this improves it all around, and it makes me more comfortable
with the persistent state. There's three patches that deal with
poll add/remove, cancel async, and timeout remove. Those are the three
commands we still missed that need to retain state across a deferral,
and then a patch that stuffs sqe->opcode in a io_kiocb hole, and
ensures we assign ->opcode and ->user_data when we retrieve the SQE.

Lastly, a patch that adds a warning about new commands that don't
have a prep handler. We need that for ANY command that reads sqe
fields, which is all of them obviously except NOP.

 fs/io-wq.c    |   2 +-
 fs/io-wq.h    |   8 +-
 fs/io_uring.c | 703 ++++++++++++++++++++++++++++++++++----------------
 3 files changed, 485 insertions(+), 228 deletions(-)

-- 
Jens Axboe



^ permalink raw reply	[flat|nested] 14+ messages in thread

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Thread overview: 14+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-12-18 17:18 [PATCHSET v3] io_uring fixes for 5.5-rc3 Jens Axboe
2019-12-18 17:18 ` [PATCH 01/13] io_uring: fix stale comment and a few typos Jens Axboe
2019-12-18 17:18 ` [PATCH 02/13] io_uring: fix sporadic -EFAULT from IORING_OP_RECVMSG Jens Axboe
2019-12-18 17:18 ` [PATCH 03/13] io-wq: re-add io_wq_current_is_worker() Jens Axboe
2019-12-18 17:18 ` [PATCH 04/13] io_uring: fix pre-prepped issue with force_nonblock == true Jens Axboe
2019-12-18 17:18 ` [PATCH 05/13] io_uring: remove 'sqe' parameter to the OP helpers that take it Jens Axboe
2019-12-18 17:18 ` [PATCH 06/13] io_uring: any deferred command must have stable sqe data Jens Axboe
2019-12-18 17:18 ` [PATCH 07/13] io_uring: make HARDLINK imply LINK Jens Axboe
2019-12-18 17:18 ` [PATCH 08/13] io_uring: make IORING_POLL_ADD and IORING_POLL_REMOVE deferrable Jens Axboe
2019-12-18 17:18 ` [PATCH 09/13] io_uring: make IORING_OP_CANCEL_ASYNC deferrable Jens Axboe
2019-12-18 17:18 ` [PATCH 10/13] io_uring: make IORING_OP_TIMEOUT_REMOVE deferrable Jens Axboe
2019-12-18 17:18 ` [PATCH 11/13] io_uring: read opcode and user_data from SQE exactly once Jens Axboe
2019-12-18 17:18 ` [PATCH 12/13] io_uring: warn about unhandled opcode Jens Axboe
2019-12-18 17:18 ` [PATCH 13/13] io_uring: don't wait when under-submitting Jens Axboe

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