io-wq: add io_wq_work_node based stack

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Apart from just using lists (i.e. io_wq_work_list), we also want to have
stacks, which are a bit faster, and have some interoperability between
them. Add a stack implementation based on io_wq_work_node and some
helpers.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/5d3a412a5ac0d47e0f0499d70d2207d70a68925e.1632516769.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2021-09-24 21:59:46 +01:00 • committed by Jens Axboe

parent 3ab665b74e

commit 0d9521b9b5

1 changed files with 50 additions and 7 deletions

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fs/io-wq.h

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