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authorJens Axboe <axboe@kernel.dk>2021-02-10 00:03:19 +0000
committerJens Axboe <axboe@kernel.dk>2021-02-10 07:28:43 -0700
commit1b4c351f6eb7467c77fc19e0cd7e5f0083ecd847 (patch)
tree7c8a680982902bcaa4ca9934fb07eb3fd5626098 /fs/io-wq.h
parent6ff119a6e4c3fe900e75e6667930dc086f185f2b (diff)
io_uring: use persistent request cache
Now that we have the submit_state in the ring itself, we can have io_kiocb allocations that are persistent across invocations. This reduces the time spent doing slab allocations and frees. [sil: rebased] Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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