[PATCH v2 for-next 0/5] 5.15 cleanups and optimisations

Pavel Begunkov
2021-08-15T09:41:05Z

Some improvements after killing refcounting, and other cleanups.
With 2/2 with will be only tracking reqs with
file->f_op == &io_uring_fops, which is nice.

6-9 optimise the generic path as well as linked timeouts.

v2: s/io_req_refcount/io_req_set_refcount (Jens)
6-9 are added

Pavel Begunkov (9):
io_uring: optimise iowq refcounting
io_uring: don't inflight-track linked timeouts
io_uring: optimise initial ltimeout refcounting
io_uring: kill not necessary resubmit switch
io_uring: deduplicate cancellation code
io_uring: kill REQ_F_LTIMEOUT_ACTIVE
io_uring: simplify io_prep_linked_timeout
io_uring: cancel not-armed linked touts separately
io_uring: optimise io_prep_linked_timeout()

fs/io_uring.c | 165 ++++++++++++++++++++++++++++----------------------
1 file changed, 94 insertions(+), 71 deletions(-)

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2.32.0