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authorDylan Yudaken <dylany@fb.com>2022-08-30 05:50:09 -0700
committerJens Axboe <axboe@kernel.dk>2022-09-21 10:30:42 -0600
commit2327337b881d3f24949da4a4d34a6e657a71a79d (patch)
tree9d361c8852e2364e713429d6a66a0355d3810cfc /block
parentb4c98d59a787eff4c8ee983bcf68266ce2199df6 (diff)
io_uring: do not run task work at the start of io_uring_enter
This is not needed, and it is normally better to wait for task work until after submissions. This will allow greater batching if either work arrives in the meanwhile, or if the submissions cause task work to be queued up. For SQPOLL this also no longer runs task work, but this is handled inside the SQPOLL loop anyway. For IOPOLL io_iopoll_check will run task work anyway And otherwise io_cqring_wait will run task work Suggested-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Dylan Yudaken <dylany@fb.com> Link: https://lore.kernel.org/r/20220830125013.570060-4-dylany@fb.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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