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Merge tag 'for-5.5/io_uring-post-20191128' of git://git.kernel.dk/linux-block

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Pull more io_uring updates from Jens Axboe:
 "As mentioned in the first pull request, there was a later batch as
  well. This contains fixes to the stuff that already went in, cleanups,
  and a few later additions. In particular, this contains:

   - Cleanups/fixes/unification of the submission and completion path
     (Pavel,me)

   - Linked timeouts improvements (Pavel,me)

   - Error path fixes (me)

   - Fix lookup window where cancellations wouldn't work (me)

   - Improve DRAIN support (Pavel)

   - Fix backlog flushing -EBUSY on submit (me)

   - Add support for connect(2) (me)

   - Fix for non-iter based fixed IO (Pavel)

   - creds inheritance for async workers (me)

   - Disable cmsg/ancillary data for sendmsg/recvmsg (me)

   - Shrink io_kiocb to 3 cachelines (me)

   - NUMA fix for io-wq (Jann)"

* tag 'for-5.5/io_uring-post-20191128' of git://git.kernel.dk/linux-block: (42 commits)
  io_uring: make poll->wait dynamically allocated
  io-wq: shrink io_wq_work a bit
  io-wq: fix handling of NUMA node IDs
  io_uring: use kzalloc instead of kcalloc for single-element allocations
  io_uring: cleanup io_import_fixed()
  io_uring: inline struct sqe_submit
  io_uring: store timeout's sqe->off in proper place
  net: disallow ancillary data for __sys_{send,recv}msg_file()
  net: separate out the msghdr copy from ___sys_{send,recv}msg()
  io_uring: remove superfluous check for sqe->off in io_accept()
  io_uring: async workers should inherit the user creds
  io-wq: have io_wq_create() take a 'data' argument
  io_uring: fix dead-hung for non-iter fixed rw
  io_uring: add support for IORING_OP_CONNECT
  net: add __sys_connect_file() helper
  io_uring: only return -EBUSY for submit on non-flushed backlog
  io_uring: only !null ptr to io_issue_sqe()
  io_uring: simplify io_req_link_next()
  io_uring: pass only !null to io_req_find_next()
  io_uring: remove io_free_req_find_next()
  ...
This commit is contained in:
Linus Torvalds
2019-11-28 10:43:39 -08:00
parent a6ed68d646 e944475e69
commit 05bd375b6b
7 changed files with 757 additions and 503 deletions
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16
include/trace/events/io_uring.h
View File

@@ -163,35 +163,35 @@ TRACE_EVENT(io_uring_queue_async_work,
);
/**
* io_uring_defer_list - called before the io_uring work added into defer_list
* io_uring_defer - called when an io_uring request is deferred
*
* @ctx: pointer to a ring context structure
* @req: pointer to a deferred request
* @shadow: whether request is shadow or not
* @user_data: user data associated with the request
*
* Allows to track deferred requests, to get an insight about what requests are
* not started immediately.
*/
TRACE_EVENT(io_uring_defer,
TP_PROTO(void *ctx, void *req, bool shadow),
TP_PROTO(void *ctx, void *req, unsigned long long user_data),
TP_ARGS(ctx, req, shadow),
TP_ARGS(ctx, req, user_data),
TP_STRUCT__entry (
__field( void *, ctx )
__field( void *, req )
__field( bool, shadow )
__field( unsigned long long, data )
),
TP_fast_assign(
__entry->ctx = ctx;
__entry->req = req;
__entry->shadow = shadow;
__entry->data = user_data;
),
TP_printk("ring %p, request %p%s", __entry->ctx, __entry->req,
__entry->shadow ? ", shadow": "")
TP_printk("ring %p, request %p user_data %llu", __entry->ctx,
__entry->req, __entry->data)
);
/**