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authorPavel Begunkov <asml.silence@gmail.com>2021-02-10 00:03:23 +0000
committerJens Axboe <axboe@kernel.dk>2021-02-10 07:28:43 -0700
commite5d1bc0a91f16959aa279aa3ee9fdc246d4bb382 (patch)
treeda1be612b0d777fa7f9ee84ef880c3a81728f035 /tools/perf/scripts/python/export-to-postgresql.py
parentc5eef2b9449ba267f53bfa7cf63d2bc93acbee32 (diff)
io_uring: defer flushing cached reqs
Awhile there are requests in the allocation cache -- use them, only if those ended go for the stashed memory in comp.free_list. As list manipulation are generally heavy and are not good for caches, flush them all or as much as can in one go. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> [axboe: return success/failure from io_flush_cached_reqs()] Signed-off-by: Jens Axboe <axboe@kernel.dk>
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