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io_uring/net: unify cleanup handling

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Now that recv/recvmsg both do the same cleanup, put it in the retry and
finish handlers.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2024-03-12 09:38:08 -06:00
parent 4a3223f7bf
commit f5b00ab222
1 changed files with 11 additions and 15 deletions
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26
io_uring/net.c
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@ -686,10 +686,16 @@ int io_recvmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
return 0;
}
static inline void io_recv_prep_retry(struct io_kiocb *req)
static inline void io_recv_prep_retry(struct io_kiocb *req,
struct io_async_msghdr *kmsg)
{
struct io_sr_msg *sr = io_kiocb_to_cmd(req, struct io_sr_msg);
if (kmsg->free_iov) {
kfree(kmsg->free_iov);
kmsg->free_iov = NULL;
}
req->flags &= ~REQ_F_BL_EMPTY;
sr->done_io = 0;
sr->len = 0; /* get from the provided buffer */
@ -721,7 +727,7 @@ static inline bool io_recv_finish(struct io_kiocb *req, int *ret,
struct io_sr_msg *sr = io_kiocb_to_cmd(req, struct io_sr_msg);
int mshot_retry_ret = IOU_ISSUE_SKIP_COMPLETE;
io_recv_prep_retry(req);
io_recv_prep_retry(req, kmsg);
/* Known not-empty or unknown state, retry */
if (cflags & IORING_CQE_F_SOCK_NONEMPTY || kmsg->msg.msg_inq < 0) {
if (sr->nr_multishot_loops++ < MULTISHOT_MAX_RETRY)
@ -730,10 +736,9 @@ static inline bool io_recv_finish(struct io_kiocb *req, int *ret,
sr->nr_multishot_loops = 0;
mshot_retry_ret = IOU_REQUEUE;
}
if (issue_flags & IO_URING_F_MULTISHOT)
*ret = io_setup_async_msg(req, kmsg, issue_flags);
if (*ret == -EAGAIN && issue_flags & IO_URING_F_MULTISHOT)
*ret = mshot_retry_ret;
else
*ret = -EAGAIN;
return true;
}
@ -744,6 +749,7 @@ static inline bool io_recv_finish(struct io_kiocb *req, int *ret,
*ret = IOU_STOP_MULTISHOT;
else
*ret = IOU_OK;
io_req_msg_cleanup(req, kmsg, issue_flags);
return true;
}
@ -927,11 +933,6 @@ int io_recvmsg(struct io_kiocb *req, unsigned int issue_flags)
if (!io_recv_finish(req, &ret, kmsg, mshot_finished, issue_flags))
goto retry_multishot;
if (mshot_finished)
io_req_msg_cleanup(req, kmsg, issue_flags);
else if (ret == -EAGAIN)
return io_setup_async_msg(req, kmsg, issue_flags);
return ret;
}
@ -1035,11 +1036,6 @@ int io_recv(struct io_kiocb *req, unsigned int issue_flags)
if (!io_recv_finish(req, &ret, kmsg, ret <= 0, issue_flags))
goto retry_multishot;
if (ret == -EAGAIN)
return io_setup_async_msg(req, kmsg, issue_flags);
else if (ret != IOU_OK && ret != IOU_STOP_MULTISHOT)
io_req_msg_cleanup(req, kmsg, issue_flags);
return ret;
}