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(parent: cbac487) | patch
io_uring: alloc req only after getting sqe
authorPavel Begunkov <asml.silence@gmail.com>
Wed, 8 Apr 2020 05:58:44 +0000 (08:58 +0300)
committerJens Axboe <axboe@kernel.dk>
Wed, 8 Apr 2020 15:26:16 +0000 (09:26 -0600)
commit83e84ee49bd812221e65b62a04669180ff7cb1ba
tree7ce3c1a55b6f4c354f94bd0164411806c3413d7etree | snapshot
parentcbac487582a72a8fe4cab03fa81b5f5b197da4b3commit | diff
io_uring: alloc req only after getting sqe

As io_get_sqe() split into 2 stage get/consume, get an sqe before
allocating io_kiocb, so no free_req*() for a failure case is needed,
and inline back __io_req_do_free(), which has only 1 user.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
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