Commit Message
Greg KH
Oct. 19, 2022, 8:21 a.m. UTC
From: Pavel Begunkov <asml.silence@gmail.com> commit a47b255e90395bdb481975ab3d9e96fcf8b3165f upstream. Sometimes we have to do a little bit of a fixup on a request failuer in io_req_complete_failed(). Add a callback in opdef for that. Cc: stable@vger.kernel.org Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/b734cff4e67cb30cca976b9face321023f37549a.1663668091.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- io_uring/io_uring.c | 4 ++++ io_uring/opdef.h | 1 + 2 files changed, 5 insertions(+)
--- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -823,8 +823,12 @@ inline void __io_req_complete(struct io_ void io_req_complete_failed(struct io_kiocb *req, s32 res) { + const struct io_op_def *def = &io_op_defs[req->opcode]; + req_set_fail(req); io_req_set_res(req, res, io_put_kbuf(req, IO_URING_F_UNLOCKED)); + if (def->fail) + def->fail(req); io_req_complete_post(req); } --- a/io_uring/opdef.h +++ b/io_uring/opdef.h @@ -36,6 +36,7 @@ struct io_op_def { int (*issue)(struct io_kiocb *, unsigned int); int (*prep_async)(struct io_kiocb *); void (*cleanup)(struct io_kiocb *); + void (*fail)(struct io_kiocb *); }; extern const struct io_op_def io_op_defs[];