From: Jinpu Wang <jinpu.wang@cloud.ionos.com>
To: Bart Van Assche <bvanassche@acm.org>
Cc: Jack Wang <jinpuwang@gmail.com>,
linux-block@vger.kernel.org, linux-rdma@vger.kernel.org,
Jens Axboe <axboe@kernel.dk>,
Christoph Hellwig <hch@infradead.org>,
Sagi Grimberg <sagi@grimberg.me>,
Leon Romanovsky <leon@kernel.org>,
Doug Ledford <dledford@redhat.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
Danil Kipnis <danil.kipnis@cloud.ionos.com>,
Roman Penyaev <rpenyaev@suse.de>,
Pankaj Gupta <pankaj.gupta@cloud.ionos.com>
Subject: Re: [PATCH v9 10/25] RDMA/rtrs: server: main functionality
Date: Mon, 2 Mar 2020 15:39:33 +0100 [thread overview]
Message-ID: <CAMGffEncP5NaQtHwQPO1WRKEvTrEmJXX6_UHA1R0++qgu-Nu=A@mail.gmail.com> (raw)
In-Reply-To: <c97843fa-84c4-ff7e-3b72-af3b916c059a@acm.org>
On Sun, Mar 1, 2020 at 2:42 AM Bart Van Assche <bvanassche@acm.org> wrote:
>
> On 2020-02-21 02:47, Jack Wang wrote:
> > +int rtrs_srv_get_sess_name(struct rtrs_srv *srv, char *sessname, size_t len)
> > +{
> > + struct rtrs_srv_sess *sess;
> > + int err = -ENOTCONN;
> > +
> > + mutex_lock(&srv->paths_mutex);
> > + list_for_each_entry(sess, &srv->paths_list, s.entry) {
> > + if (sess->state != RTRS_SRV_CONNECTED)
> > + continue;
> > + memcpy(sessname, sess->s.sessname,
> > + min_t(size_t, sizeof(sess->s.sessname), len));
> > + err = 0;
> > + break;
> > + }
> > + mutex_unlock(&srv->paths_mutex);
> > +
> > + return err;
> > +}
> > +EXPORT_SYMBOL(rtrs_srv_get_sess_name);
>
> Please make sure that the returned string is '\0'-terminated, e.g. by
> using strlcpy().
Ok.
>
> > +static int rtrs_rdma_do_accept(struct rtrs_srv_sess *sess,
> > + struct rdma_cm_id *cm_id)
> > +{
> > + struct rtrs_srv *srv = sess->srv;
> > + struct rtrs_msg_conn_rsp msg;
> > + struct rdma_conn_param param;
> > + int err;
> > +
> > + param = (struct rdma_conn_param) {
> > + .rnr_retry_count = 7,
> > + .private_data = &msg,
> > + .private_data_len = sizeof(msg),
> > + };
> > +
> > + msg = (struct rtrs_msg_conn_rsp) {
> > + .magic = cpu_to_le16(RTRS_MAGIC),
> > + .version = cpu_to_le16(RTRS_PROTO_VER),
> > + .queue_depth = cpu_to_le16(srv->queue_depth),
> > + .max_io_size = cpu_to_le32(max_chunk_size - MAX_HDR_SIZE),
> > + .max_hdr_size = cpu_to_le32(MAX_HDR_SIZE),
> > + };
> > +
> > + if (always_invalidate)
> > + msg.flags = cpu_to_le32(RTRS_MSG_NEW_RKEY_F);
> > +
> > + err = rdma_accept(cm_id, ¶m);
> > + if (err)
> > + pr_err("rdma_accept(), err: %d\n", err);
> > +
> > + return err;
> > +}
>
> Please indent the members in the structure assignments.
ok.
>
> > +static int rtrs_rdma_do_reject(struct rdma_cm_id *cm_id, int errno)
> > +{
> > + struct rtrs_msg_conn_rsp msg;
> > + int err;
> > +
> > + msg = (struct rtrs_msg_conn_rsp) {
> > + .magic = cpu_to_le16(RTRS_MAGIC),
> > + .version = cpu_to_le16(RTRS_PROTO_VER),
> > + .errno = cpu_to_le16(errno),
> > + };
> > +
> > + err = rdma_reject(cm_id, &msg, sizeof(msg));
> > + if (err)
> > + pr_err("rdma_reject(), err: %d\n", err);
> > +
> > + /* Bounce errno back */
> > + return errno;
> > +}
>
> Same comment for this function.
Ok, thanks Bart
>
> Thanks,
>
> Bart.
next prev parent reply other threads:[~2020-03-02 14:39 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-21 10:46 [PATCH v9 00/25] RTRS (former IBTRS) RDMA Transport Library and RNBD (former IBNBD) RDMA Network Block Device Jack Wang
2020-02-21 10:46 ` [PATCH v9 01/25] sysfs: export sysfs_remove_file_self() Jack Wang
2020-03-01 0:24 ` Bart Van Assche
2020-03-02 14:37 ` Jinpu Wang
2020-02-21 10:46 ` [PATCH v9 02/25] RDMA/rtrs: public interface header to establish RDMA connections Jack Wang
2020-03-01 0:31 ` Bart Van Assche
2020-03-02 8:39 ` Jinpu Wang
2020-03-03 9:40 ` Leon Romanovsky
2020-03-03 14:05 ` Jinpu Wang
2020-03-03 14:16 ` Leon Romanovsky
2020-03-03 14:23 ` Jinpu Wang
2020-02-21 10:46 ` [PATCH v9 03/25] RDMA/rtrs: private headers with rtrs protocol structs and helpers Jack Wang
2020-03-01 0:37 ` Bart Van Assche
2020-03-02 9:21 ` Jinpu Wang
2020-03-03 9:45 ` Leon Romanovsky
2020-03-03 13:52 ` Jinpu Wang
2020-03-03 14:05 ` Jason Gunthorpe
2020-03-03 16:13 ` Jinpu Wang
2020-02-21 10:47 ` [PATCH v9 04/25] RDMA/rtrs: core: lib functions shared between client and server modules Jack Wang
2020-03-01 0:47 ` Bart Van Assche
2020-03-02 8:40 ` Jinpu Wang
2020-03-03 9:57 ` Leon Romanovsky
2020-03-04 11:21 ` Jinpu Wang
2020-02-21 10:47 ` [PATCH v9 05/25] RDMA/rtrs: client: private header with client structs and functions Jack Wang
2020-03-01 0:51 ` Bart Van Assche
2020-03-02 13:49 ` Jinpu Wang
2020-03-02 16:13 ` Bart Van Assche
2020-03-02 16:18 ` Jinpu Wang
2020-02-21 10:47 ` [PATCH v9 06/25] RDMA/rtrs: client: main functionality Jack Wang
2020-03-01 1:33 ` Bart Van Assche
2020-03-02 13:20 ` Danil Kipnis
2020-03-03 16:04 ` Bart Van Assche
2020-03-04 16:43 ` Jinpu Wang
2020-03-04 16:49 ` Jason Gunthorpe
2020-03-05 11:26 ` Jinpu Wang
2020-03-05 13:27 ` Jason Gunthorpe
2020-03-05 13:37 ` Jinpu Wang
2020-03-05 13:54 ` Jason Gunthorpe
2020-03-06 13:33 ` Jinpu Wang
2020-02-21 10:47 ` [PATCH v9 07/25] RDMA/rtrs: client: statistics functions Jack Wang
2020-03-03 11:28 ` Leon Romanovsky
2020-03-03 11:46 ` Jinpu Wang
2020-02-21 10:47 ` [PATCH v9 08/25] RDMA/rtrs: client: sysfs interface functions Jack Wang
2020-02-21 10:47 ` [PATCH v9 09/25] RDMA/rtrs: server: private header with server structs and functions Jack Wang
2020-02-21 10:47 ` [PATCH v9 10/25] RDMA/rtrs: server: main functionality Jack Wang
2020-03-01 1:42 ` Bart Van Assche
2020-03-02 14:39 ` Jinpu Wang [this message]
2020-03-03 11:37 ` Leon Romanovsky
2020-03-03 16:41 ` Jinpu Wang
2020-03-03 16:59 ` Leon Romanovsky
2020-03-04 11:03 ` Jinpu Wang
2020-03-05 8:00 ` Leon Romanovsky
[not found] ` <CAHg0Huyc=pn1=WSKGLjm+c8AcchyQ8q7JS-0ToQyiBRgpGG=jA@mail.gmail.com>
2020-03-05 12:16 ` Leon Romanovsky
2020-03-05 12:28 ` Jinpu Wang
2020-03-05 12:35 ` Leon Romanovsky
2020-03-05 13:02 ` Jinpu Wang
2020-02-21 10:47 ` [PATCH v9 11/25] RDMA/rtrs: server: statistics functions Jack Wang
2020-02-21 10:47 ` [PATCH v9 12/25] RDMA/rtrs: server: sysfs interface functions Jack Wang
2020-02-21 10:47 ` [PATCH v9 13/25] RDMA/rtrs: include client and server modules into kernel compilation Jack Wang
2020-02-21 10:47 ` [PATCH v9 14/25] RDMA/rtrs: a bit of documentation Jack Wang
2020-02-21 10:47 ` [PATCH v9 15/25] block/rnbd: private headers with rnbd protocol structs and helpers Jack Wang
2020-03-01 2:12 ` Bart Van Assche
2020-03-02 16:37 ` Jinpu Wang
2020-02-21 10:47 ` [PATCH v9 16/25] block/rnbd: client: private header with client structs and functions Jack Wang
2020-03-01 2:26 ` Bart Van Assche
2020-03-02 14:59 ` Jinpu Wang
2020-02-21 10:47 ` [PATCH v9 17/25] block/rnbd: client: main functionality Jack Wang
2020-03-01 2:46 ` Bart Van Assche
2020-03-02 14:58 ` Jinpu Wang
2020-02-21 10:47 ` [PATCH v9 18/25] block/rnbd: client: sysfs interface functions Jack Wang
2020-02-21 10:47 ` [PATCH v9 19/25] block/rnbd: server: private header with server structs and functions Jack Wang
2020-03-01 2:47 ` Bart Van Assche
2020-03-02 10:07 ` Danil Kipnis
2020-02-21 10:47 ` [PATCH v9 20/25] block/rnbd: server: main functionality Jack Wang
2020-03-01 2:58 ` Bart Van Assche
2020-03-02 9:58 ` Danil Kipnis
2020-03-03 5:57 ` Bart Van Assche
2020-02-21 10:47 ` [PATCH v9 21/25] block/rnbd: server: functionality for IO submission to file or block dev Jack Wang
2020-03-01 3:09 ` Bart Van Assche
2020-03-02 10:06 ` Danil Kipnis
2020-03-03 16:20 ` Jinpu Wang
2020-03-03 16:28 ` Bart Van Assche
2020-03-03 16:43 ` Jinpu Wang
2020-02-21 10:47 ` [PATCH v9 22/25] block/rnbd: server: sysfs interface functions Jack Wang
2020-02-21 10:47 ` [PATCH v9 23/25] block/rnbd: include client and server modules into kernel compilation Jack Wang
2020-02-21 10:47 ` [PATCH v9 24/25] block/rnbd: a bit of documentation Jack Wang
2020-02-21 10:47 ` [PATCH v9 25/25] MAINTAINERS: Add maintainers for RNBD/RTRS modules Jack Wang
2020-03-03 9:28 ` [PATCH v9 00/25] RTRS (former IBTRS) RDMA Transport Library and RNBD (former IBNBD) RDMA Network Block Device Leon Romanovsky
2020-03-04 14:06 ` Jinpu Wang
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