Introduce a new protocol hook pru_aio_queue.
This allows a protocol to claim individual AIO requests instead of using the default socket AIO handling. Sponsored by: Chelsio Communications
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e27428fd1c
commit
8722384b22
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=298796
@ -734,8 +734,13 @@ soo_aio_queue(struct file *fp, struct kaiocb *job)
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{
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struct socket *so;
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struct sockbuf *sb;
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int error;
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so = fp->f_data;
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error = (*so->so_proto->pr_usrreqs->pru_aio_queue)(so, job);
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if (error == 0)
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return (0);
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switch (job->uaiocb.aio_lio_opcode) {
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case LIO_READ:
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sb = &so->so_rcv;
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@ -135,6 +135,7 @@ protosw_init(struct protosw *pr)
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#define DEFAULT(foo, bar) if ((foo) == NULL) (foo) = (bar)
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DEFAULT(pu->pru_accept, pru_accept_notsupp);
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DEFAULT(pu->pru_aio_queue, pru_aio_queue_notsupp);
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DEFAULT(pu->pru_bind, pru_bind_notsupp);
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DEFAULT(pu->pru_bindat, pru_bindat_notsupp);
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DEFAULT(pu->pru_connect, pru_connect_notsupp);
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@ -3102,6 +3102,13 @@ pru_accept_notsupp(struct socket *so, struct sockaddr **nam)
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return EOPNOTSUPP;
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}
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int
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pru_aio_queue_notsupp(struct socket *so, struct kaiocb *job)
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{
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return EOPNOTSUPP;
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}
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int
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pru_attach_notsupp(struct socket *so, int proto, struct thread *td)
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{
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@ -34,6 +34,7 @@
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#define _SYS_PROTOSW_H_
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/* Forward declare these structures referenced from prototypes below. */
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struct kaiocb;
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struct mbuf;
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struct thread;
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struct sockaddr;
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@ -228,12 +229,14 @@ struct pr_usrreqs {
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struct thread *td);
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int (*pru_connectat)(int fd, struct socket *so,
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struct sockaddr *nam, struct thread *td);
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int (*pru_aio_queue)(struct socket *so, struct kaiocb *job);
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};
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/*
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* All nonvoid pru_*() functions below return EOPNOTSUPP.
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*/
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int pru_accept_notsupp(struct socket *so, struct sockaddr **nam);
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int pru_aio_queue_notsupp(struct socket *so, struct kaiocb *job);
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int pru_attach_notsupp(struct socket *so, int proto, struct thread *td);
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int pru_bind_notsupp(struct socket *so, struct sockaddr *nam,
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struct thread *td);
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