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(parent: ee4c18c) | patch
io_uring: simplify io_rsrc_data refcounting
authorPavel Begunkov <asml.silence@gmail.com>
Sun, 11 Apr 2021 00:46:34 +0000 (01:46 +0100)
committerJens Axboe <axboe@kernel.dk>
Mon, 12 Apr 2021 15:32:47 +0000 (09:32 -0600)
commitc1f11587ced28d4b47c4d5a4ddef5eecc1743d40
treec99dfadc8f9940e97685c3404e768026b6a23b74tree | snapshot
parentee4c18cb7ce1f02e83a16dff9342a771212f25c7commit | diff
io_uring: simplify io_rsrc_data refcounting

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>
fs/io_uring.c diff | blob | history
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