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From: Kuniyuki Iwashima <kuniyu@amazon.com>
To: "David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Simon Horman <horms@kernel.org>
Cc: Kuniyuki Iwashima <kuniyu@amazon.com>,
	Kuniyuki Iwashima <kuni1840@gmail.com>, <netdev@vger.kernel.org>
Subject: [PATCH v2 net-next 13/15] socket: Use sock_create_net() instead of sock_create().
Date: Tue, 10 Dec 2024 16:38:27 +0900	[thread overview]
Message-ID: <20241210073829.62520-14-kuniyu@amazon.com> (raw)
In-Reply-To: <20241210073829.62520-1-kuniyu@amazon.com>

sock_create() is a bad name, and no one really cares about what it's for.

In fact, except for only one user, sctp_do_peeloff(), all sockets created
by drivers and fs are not tied to userspace processes nor exposed via file
descriptors.

Let's use sock_create_net() for such in-kernel use cases.

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
---
 drivers/infiniband/hw/erdma/erdma_cm.c    | 6 ++++--
 drivers/infiniband/sw/siw/siw_cm.c        | 6 ++++--
 drivers/isdn/mISDN/l1oip_core.c           | 3 ++-
 drivers/nvme/host/tcp.c                   | 5 +++--
 drivers/nvme/target/tcp.c                 | 5 +++--
 drivers/target/iscsi/iscsi_target_login.c | 7 ++++---
 drivers/xen/pvcalls-back.c                | 6 ++++--
 fs/ocfs2/cluster/tcp.c                    | 8 +++++---
 fs/smb/server/transport_tcp.c             | 7 ++++---
 9 files changed, 33 insertions(+), 20 deletions(-)

diff --git a/drivers/infiniband/hw/erdma/erdma_cm.c b/drivers/infiniband/hw/erdma/erdma_cm.c
index 771059a8eb7d..5014237127cb 100644
--- a/drivers/infiniband/hw/erdma/erdma_cm.c
+++ b/drivers/infiniband/hw/erdma/erdma_cm.c
@@ -1023,7 +1023,8 @@ int erdma_connect(struct iw_cm_id *id, struct iw_cm_conn_param *params)
 		return -ENOENT;
 	erdma_qp_get(qp);
 
-	ret = sock_create(AF_INET, SOCK_STREAM, IPPROTO_TCP, &s);
+	ret = sock_create_net(current->nsproxy->net_ns,
+			      AF_INET, SOCK_STREAM, IPPROTO_TCP, &s);
 	if (ret < 0)
 		goto error_put_qp;
 
@@ -1299,7 +1300,8 @@ int erdma_create_listen(struct iw_cm_id *id, int backlog)
 	if (addr_family != AF_INET)
 		return -EAFNOSUPPORT;
 
-	ret = sock_create(addr_family, SOCK_STREAM, IPPROTO_TCP, &s);
+	ret = sock_create_net(current->nsproxy->net_ns,
+			      addr_family, SOCK_STREAM, IPPROTO_TCP, &s);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c
index 86323918a570..4c8f0e3ec0ce 100644
--- a/drivers/infiniband/sw/siw/siw_cm.c
+++ b/drivers/infiniband/sw/siw/siw_cm.c
@@ -1391,7 +1391,8 @@ int siw_connect(struct iw_cm_id *id, struct iw_cm_conn_param *params)
 	siw_dbg_qp(qp, "pd_len %d, laddr %pISp, raddr %pISp\n", pd_len, laddr,
 		   raddr);
 
-	rv = sock_create(v4 ? AF_INET : AF_INET6, SOCK_STREAM, IPPROTO_TCP, &s);
+	rv = sock_create_net(current->nsproxy->net_ns,
+			     v4 ? AF_INET : AF_INET6, SOCK_STREAM, IPPROTO_TCP, &s);
 	if (rv < 0)
 		goto error;
 
@@ -1766,7 +1767,8 @@ int siw_create_listen(struct iw_cm_id *id, int backlog)
 	if (addr_family != AF_INET && addr_family != AF_INET6)
 		return -EAFNOSUPPORT;
 
-	rv = sock_create(addr_family, SOCK_STREAM, IPPROTO_TCP, &s);
+	rv = sock_create_net(current->nsproxy->net_ns,
+			     addr_family, SOCK_STREAM, IPPROTO_TCP, &s);
 	if (rv < 0)
 		return rv;
 
diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
index a5ad88a960d0..04733bcc8d07 100644
--- a/drivers/isdn/mISDN/l1oip_core.c
+++ b/drivers/isdn/mISDN/l1oip_core.c
@@ -659,7 +659,8 @@ l1oip_socket_thread(void *data)
 	allow_signal(SIGTERM);
 
 	/* create socket */
-	if (sock_create(PF_INET, SOCK_DGRAM, IPPROTO_UDP, &socket)) {
+	if (sock_create_net(current->nsproxy->net_ns,
+			    PF_INET, SOCK_DGRAM, IPPROTO_UDP, &socket)) {
 		printk(KERN_ERR "%s: Failed to create socket.\n", __func__);
 		ret = -EIO;
 		goto fail;
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index 3e416af2659f..67cc56471e2a 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -1682,8 +1682,9 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl, int qid,
 		queue->cmnd_capsule_len = sizeof(struct nvme_command) +
 						NVME_TCP_ADMIN_CCSZ;
 
-	ret = sock_create(ctrl->addr.ss_family, SOCK_STREAM,
-			IPPROTO_TCP, &queue->sock);
+	ret = sock_create_net(current->nsproxy->net_ns,
+			      ctrl->addr.ss_family, SOCK_STREAM,
+			      IPPROTO_TCP, &queue->sock);
 	if (ret) {
 		dev_err(nctrl->device,
 			"failed to create socket: %d\n", ret);
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index 7c51c2a8c109..dff8c56d1783 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -2042,8 +2042,9 @@ static int nvmet_tcp_add_port(struct nvmet_port *nport)
 	if (port->nport->inline_data_size < 0)
 		port->nport->inline_data_size = NVMET_TCP_DEF_INLINE_DATA_SIZE;
 
-	ret = sock_create(port->addr.ss_family, SOCK_STREAM,
-				IPPROTO_TCP, &port->sock);
+	ret = sock_create_net(current->nsproxy->net_ns,
+			      port->addr.ss_family, SOCK_STREAM,
+			      IPPROTO_TCP, &port->sock);
 	if (ret) {
 		pr_err("failed to create a socket\n");
 		goto err_port;
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 90b870f234f0..b7135b6d96d7 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -837,10 +837,11 @@ int iscsit_setup_np(
 		return -EINVAL;
 	}
 
-	ret = sock_create(sockaddr->ss_family, np->np_sock_type,
-			np->np_ip_proto, &sock);
+	ret = sock_create_net(current->nsproxy->net_ns,
+			      sockaddr->ss_family, np->np_sock_type,
+			      np->np_ip_proto, &sock);
 	if (ret < 0) {
-		pr_err("sock_create() failed.\n");
+		pr_err("sock_create_net() failed.\n");
 		return ret;
 	}
 	np->np_socket = sock;
diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index f0f8b4862983..83b6bfff5cd4 100644
--- a/drivers/xen/pvcalls-back.c
+++ b/drivers/xen/pvcalls-back.c
@@ -406,7 +406,8 @@ static int pvcalls_back_connect(struct xenbus_device *dev,
 	    sa->sa_family != AF_INET)
 		goto out;
 
-	ret = sock_create(AF_INET, SOCK_STREAM, 0, &sock);
+	ret = sock_create_net(current->nsproxy->net_ns,
+			      AF_INET, SOCK_STREAM, 0, &sock);
 	if (ret < 0)
 		goto out;
 	ret = inet_stream_connect(sock, sa, req->u.connect.len, 0);
@@ -647,7 +648,8 @@ static int pvcalls_back_bind(struct xenbus_device *dev,
 		goto out;
 	}
 
-	ret = sock_create(AF_INET, SOCK_STREAM, 0, &map->sock);
+	ret = sock_create_net(current->nsproxy->net_ns,
+			      AF_INET, SOCK_STREAM, 0, &map->sock);
 	if (ret < 0)
 		goto out;
 
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index 6ef03a02d19b..9e0571ec3ca1 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -1558,7 +1558,7 @@ static void o2net_start_connect(struct work_struct *work)
 	unsigned int nofs_flag;
 
 	/*
-	 * sock_create allocates the sock with GFP_KERNEL. We must
+	 * sock_create_net() allocates the sock with GFP_KERNEL. We must
 	 * prevent the filesystem from being reentered by memory reclaim.
 	 */
 	nofs_flag = memalloc_nofs_save();
@@ -1600,7 +1600,8 @@ static void o2net_start_connect(struct work_struct *work)
 		goto out;
 	}
 
-	ret = sock_create(PF_INET, SOCK_STREAM, IPPROTO_TCP, &sock);
+	ret = sock_create_net(current->nsproxy->net_ns,
+			      PF_INET, SOCK_STREAM, IPPROTO_TCP, &sock);
 	if (ret < 0) {
 		mlog(0, "can't create socket: %d\n", ret);
 		goto out;
@@ -1986,7 +1987,8 @@ static int o2net_open_listening_sock(__be32 addr, __be16 port)
 		.sin_port = port,
 	};
 
-	ret = sock_create(PF_INET, SOCK_STREAM, IPPROTO_TCP, &sock);
+	ret = sock_create_net(current->nsproxy->net_ns,
+			      PF_INET, SOCK_STREAM, IPPROTO_TCP, &sock);
 	if (ret < 0) {
 		printk(KERN_ERR "o2net: Error %d while creating socket\n", ret);
 		goto out;
diff --git a/fs/smb/server/transport_tcp.c b/fs/smb/server/transport_tcp.c
index 0d9007285e30..ada40b0502a1 100644
--- a/fs/smb/server/transport_tcp.c
+++ b/fs/smb/server/transport_tcp.c
@@ -423,18 +423,19 @@ static void tcp_destroy_socket(struct socket *ksmbd_socket)
  */
 static int create_socket(struct interface *iface)
 {
+	struct net *net = current->nsproxy->net_ns;
 	int ret;
 	struct sockaddr_in6 sin6;
 	struct sockaddr_in sin;
 	struct socket *ksmbd_socket;
 	bool ipv4 = false;
 
-	ret = sock_create(PF_INET6, SOCK_STREAM, IPPROTO_TCP, &ksmbd_socket);
+	ret = sock_create_net(net, PF_INET6, SOCK_STREAM, IPPROTO_TCP, &ksmbd_socket);
 	if (ret) {
 		if (ret != -EAFNOSUPPORT)
 			pr_err("Can't create socket for ipv6, fallback to ipv4: %d\n", ret);
-		ret = sock_create(PF_INET, SOCK_STREAM, IPPROTO_TCP,
-				  &ksmbd_socket);
+		ret = sock_create_net(net, PF_INET, SOCK_STREAM, IPPROTO_TCP,
+				      &ksmbd_socket);
 		if (ret) {
 			pr_err("Can't create socket for ipv4: %d\n", ret);
 			goto out_clear;
-- 
2.39.5 (Apple Git-154)


  parent reply	other threads:[~2024-12-10  7:43 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-10  7:38 [PATCH v2 net-next 00/15] treewide: socket: Clean up sock_create() and friends Kuniyuki Iwashima
2024-12-10  7:38 ` [PATCH v2 net-next 01/15] socket: Un-export __sock_create() Kuniyuki Iwashima
2024-12-10  7:38 ` [PATCH v2 net-next 02/15] socket: Pass hold_net flag to __sock_create() Kuniyuki Iwashima
2024-12-10  7:38 ` [PATCH v2 net-next 03/15] smc: Pass kern to smc_sock_alloc() Kuniyuki Iwashima
2024-12-10  7:38 ` [PATCH v2 net-next 04/15] socket: Pass hold_net to struct net_proto_family.create() Kuniyuki Iwashima
2024-12-10  7:38 ` [PATCH v2 net-next 05/15] ppp: Pass hold_net to struct pppox_proto.create() Kuniyuki Iwashima
2024-12-10  7:38 ` [PATCH v2 net-next 06/15] nfc: Pass hold_net to struct nfc_protocol.create() Kuniyuki Iwashima
2024-12-10  7:38 ` [PATCH v2 net-next 07/15] socket: Add hold_net flag to struct proto_accept_arg Kuniyuki Iwashima
2024-12-10  7:38 ` [PATCH v2 net-next 08/15] socket: Pass hold_net to sk_alloc() Kuniyuki Iwashima
2024-12-10  7:38 ` [PATCH v2 net-next 09/15] socket: Respect hold_net in sk_alloc() Kuniyuki Iwashima
2024-12-10  7:38 ` [PATCH v2 net-next 10/15] socket: Don't count kernel sockets in /proc/net/sockstat Kuniyuki Iwashima
2024-12-10  7:38 ` [PATCH v2 net-next 11/15] socket: Introduce sock_create_net() Kuniyuki Iwashima
2024-12-10  7:38 ` [PATCH v2 net-next 12/15] socket: Remove kernel socket conversion Kuniyuki Iwashima
2024-12-11  2:20   ` Jakub Kicinski
2024-12-12 17:35     ` Allison Henderson
2024-12-13  8:28       ` Kuniyuki Iwashima
2024-12-10  7:38 ` Kuniyuki Iwashima [this message]
2024-12-10  7:38 ` [PATCH v2 net-next 14/15] socket: Rename sock_create() to sock_create_user() Kuniyuki Iwashima
2024-12-10  7:38 ` [PATCH v2 net-next 15/15] socket: Rename sock_create_kern() to sock_create_net_noref() Kuniyuki Iwashima
2024-12-10  8:46 ` [PATCH v2 net-next 00/15] treewide: socket: Clean up sock_create() and friends Eric Dumazet
2024-12-10  9:47   ` Kuniyuki Iwashima

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