io_uring: simplify io_rsrc_data refcounting

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We don't take many references of struct io_rsrc_data, only one per each
io_rsrc_node, so using percpu refs is overkill. Use atomic ref instead,
which is much simpler.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/1551d90f7c9b183cf2f0d7b5e5b923430acb03fa.1618101759.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2021-04-11 01:46:34 +01:00 • committed by Jens Axboe

parent a1ff1e3f0e

commit 3e9424989b

1 changed files with 16 additions and 32 deletions

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fs/io_uring.c

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