* for-5.19/io_uring: (85 commits)
io_uring: don't clear req->kbuf when buffer selection is done
io_uring: eliminate the need to track provided buffer ID separately
io_uring: move provided buffer state closer to submit state
io_uring: move provided and fixed buffers into the same io_kiocb area
io_uring: abstract out provided buffer list selection
io_uring: never call io_buffer_select() for a buffer re-select
io_uring: get rid of hashed provided buffer groups
io_uring: always use req->buf_index for the provided buffer group
io_uring: ignore ->buf_index if REQ_F_BUFFER_SELECT isn't set
io_uring: kill io_rw_buffer_select() wrapper
io_uring: make io_buffer_select() return the user address directly
io_uring: kill io_recv_buffer_select() wrapper
io_uring: use 'sr' vs 'req->sr_msg' consistently
io_uring: add POLL_FIRST support for send/sendmsg and recv/recvmsg
io_uring: check IOPOLL/ioprio support upfront
io_uring: replace smp_mb() with smp_mb__after_atomic() in io_sq_thread()
io_uring: add IORING_SETUP_TASKRUN_FLAG
io_uring: use TWA_SIGNAL_NO_IPI if IORING_SETUP_COOP_TASKRUN is used
io_uring: set task_work notify method at init time
io-wq: use __set_notify_signal() to wake workers
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