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GET /api/1.1/patches/2229679/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2229679,
    "url": "http://patchwork.ozlabs.org/api/1.1/patches/2229679/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260428154604.222551-4-henrique.carvalho@suse.com/",
    "project": {
        "id": 12,
        "url": "http://patchwork.ozlabs.org/api/1.1/projects/12/?format=api",
        "name": "Linux CIFS Client",
        "link_name": "linux-cifs-client",
        "list_id": "linux-cifs.vger.kernel.org",
        "list_email": "linux-cifs@vger.kernel.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20260428154604.222551-4-henrique.carvalho@suse.com>",
    "date": "2026-04-28T15:45:59",
    "name": "[02/11] smb: client: prepare connect path for QUIC transport",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "176b774ac418176101a7c233633f2265ef4b7e29",
    "submitter": {
        "id": 89563,
        "url": "http://patchwork.ozlabs.org/api/1.1/people/89563/?format=api",
        "name": "Henrique Carvalho",
        "email": "henrique.carvalho@suse.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260428154604.222551-4-henrique.carvalho@suse.com/mbox/",
    "series": [
        {
            "id": 501882,
            "url": "http://patchwork.ozlabs.org/api/1.1/series/501882/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linux-cifs-client/list/?series=501882",
            "date": "2026-04-28T15:45:56",
            "name": "smb: implement SMB over QUIC",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/501882/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2229679/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2229679/checks/",
    "tags": {},
    "headers": {
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        "From": "Henrique Carvalho <henrique.carvalho@suse.com>",
        "To": "linux-cifs@vger.kernel.org",
        "Cc": "sfrench@samba.org,\n\tlinkinjeon@kernel.org,\n\tmetze@samba.org,\n\tpc@manguebit.com,\n\tronniesahlberg@gmail.com,\n\tsprasad@microsoft.com,\n\ttom@talpey.com,\n\tbharathsm@microsoft.com,\n\tematsumiya@suse.de,\n\tHenrique Carvalho <henrique.carvalho@suse.com>",
        "Subject": "[PATCH 02/11] smb: client: prepare connect path for QUIC transport",
        "Date": "Tue, 28 Apr 2026 12:45:59 -0300",
        "Message-ID": "<20260428154604.222551-4-henrique.carvalho@suse.com>",
        "X-Mailer": "git-send-email 2.53.0",
        "In-Reply-To": "<20260428154604.222551-1-henrique.carvalho@suse.com>",
        "References": "<20260428154604.222551-1-henrique.carvalho@suse.com>",
        "Precedence": "bulk",
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        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit"
    },
    "content": "Refactor the connect path to ease introducing QUIC as an alternative\ntransport alongside TCP and RDMA.\n\nNo functional change intended.\n\nSigned-off-by: Henrique Carvalho <henrique.carvalho@suse.com>\n---\n fs/smb/client/connect.c | 56 ++++++++++++++++++++++++++++-------------\n 1 file changed, 39 insertions(+), 17 deletions(-)",
    "diff": "diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c\nindex 92962d63d256..33d619007905 100644\n--- a/fs/smb/client/connect.c\n+++ b/fs/smb/client/connect.c\n@@ -62,11 +62,18 @@ static int ip_connect(struct TCP_Server_Info *server);\n static int generic_ip_connect(struct TCP_Server_Info *server);\n static void tlink_rb_insert(struct rb_root *root, struct tcon_link *new_tlink);\n static void cifs_prune_tlinks(struct work_struct *work);\n+static void smb_sock_release(struct TCP_Server_Info *server);\n \n static struct mchan_mount *mchan_mount_alloc(struct cifs_ses *ses);\n static void mchan_mount_free(struct mchan_mount *mchan_mount);\n static void mchan_mount_work_fn(struct work_struct *work);\n \n+static void smb_sock_release(struct TCP_Server_Info *server)\n+{\n+\tsock_release(server->ssocket);\n+\tserver->ssocket = NULL;\n+}\n+\n /*\n  * Resolve hostname and set ip addr in tcp ses. Useful for hostnames that may\n  * get their ip addresses changed at some point.\n@@ -311,8 +318,7 @@ cifs_abort_connection(struct TCP_Server_Info *server)\n \t\tkernel_sock_shutdown(server->ssocket, SHUT_WR);\n \t\tcifs_dbg(FYI, \"Post shutdown state: 0x%x Flags: 0x%lx\\n\", server->ssocket->state,\n \t\t\t server->ssocket->flags);\n-\t\tsock_release(server->ssocket);\n-\t\tserver->ssocket = NULL;\n+\t\tsmb_sock_release(server);\n \t}\n \tserver->sequence_number = 0;\n \tserver->session_estab = false;\n@@ -1077,10 +1083,8 @@ clean_demultiplex_info(struct TCP_Server_Info *server)\n \twake_up_all(&server->request_q);\n \t/* give those requests time to exit */\n \tmsleep(125);\n-\tif (server->ssocket) {\n-\t\tsock_release(server->ssocket);\n-\t\tserver->ssocket = NULL;\n-\t}\n+\n+\tsmb_sock_release(server);\n \n \tif (!list_empty(&server->pending_mid_q)) {\n \t\tstruct mid_q_entry *mid_entry;\n@@ -1778,7 +1782,11 @@ cifs_get_tcp_session(struct smb3_fs_context *ctx,\n \ttcp_ses->noblocksnd = ctx->noblocksnd || ctx->rootfs;\n \ttcp_ses->noautotune = ctx->noautotune;\n \ttcp_ses->tcp_nodelay = ctx->sockopt_tcp_nodelay;\n-\ttcp_ses->ipproto = ctx->rdma ? IPPROTO_SMBDIRECT : IPPROTO_TCP;\n+\tif (ctx->rdma)\n+\t\ttcp_ses->ipproto = IPPROTO_SMBDIRECT;\n+\telse\n+\t\ttcp_ses->ipproto = IPPROTO_TCP;\n+\n \ttcp_ses->in_flight = 0;\n \ttcp_ses->max_in_flight = 0;\n \ttcp_ses->credits = 1;\n@@ -1895,8 +1903,7 @@ cifs_get_tcp_session(struct smb3_fs_context *ctx,\n \t\t\tcifs_put_tcp_session(tcp_ses->primary_server, false);\n \t\tkfree(tcp_ses->hostname);\n \t\tkfree(tcp_ses->leaf_fullpath);\n-\t\tif (tcp_ses->ssocket)\n-\t\t\tsock_release(tcp_ses->ssocket);\n+\t\tsmb_sock_release(tcp_ses);\n \t\tkfree(tcp_ses);\n \t}\n \treturn ERR_PTR(rc);\n@@ -3297,13 +3304,29 @@ ip_rfc1001_connect(struct TCP_Server_Info *server)\n \treturn 0;\n }\n \n+static inline const char *\n+get_protocol_name(struct TCP_Server_Info *server)\n+{\n+\tswitch (server->ipproto) {\n+\tcase IPPROTO_TCP:\n+\t\treturn \"tcp\";\n+\tcase IPPROTO_QUIC:\n+\t\treturn \"quic\";\n+\tcase IPPROTO_SMBDIRECT:\n+\t\treturn \"smbdirect\";\n+\tdefault:\n+\t\tcifs_dbg(VFS, \"Unknown ipproto value: %d\", server->ipproto);\n+\t\treturn \"unknown\";\n+\t}\n+}\n+\n static int\n generic_ip_connect(struct TCP_Server_Info *server)\n {\n \tstruct sockaddr *saddr;\n \tstruct socket *socket;\n \tint slen, sfamily;\n-\tconst char *pname = cifs_rdma_enabled(server) ? \"smbdirect\" : \"tcp\";\n+\tconst char *pname = get_protocol_name(server);\n \t__be16 sport;\n \tint rc = 0;\n \n@@ -3327,10 +3350,7 @@ generic_ip_connect(struct TCP_Server_Info *server)\n \t\t\t __func__, pname, &ipv4->sin_addr, ntohs(sport));\n \t}\n \n-\tif (server->ssocket) {\n-\t\tsock_release(server->ssocket);\n-\t\tserver->ssocket = NULL;\n-\t}\n+\tsmb_sock_release(server);\n \n \t{\n \t\tstruct net *net = cifs_net_ns(server);\n@@ -3383,7 +3403,7 @@ generic_ip_connect(struct TCP_Server_Info *server)\n \tif (server->tcp_nodelay)\n \t\ttcp_sock_set_nodelay(socket->sk);\n \n-\tif (server->ipproto == IPPROTO_SMBDIRECT) {\n+\tif (cifs_rdma_enabled(server)) {\n \t\trc = smbd_prepare_socket(server, ntohs(sport));\n \t\tif (rc < 0) {\n \t\t\tcifs_dbg(FYI, \"Error %d from smbd_prepare_socket(port=%u)\\n\",\n@@ -3431,8 +3451,7 @@ generic_ip_connect(struct TCP_Server_Info *server)\n \n close_socket:\n \ttrace_smb3_connect_err(server->hostname, server->conn_id, &server->dstaddr, rc);\n-\tsock_release(socket);\n-\tserver->ssocket = NULL;\n+\tsmb_sock_release(server);\n \treturn rc;\n }\n \n@@ -3465,6 +3484,9 @@ ip_connect(struct TCP_Server_Info *server)\n \t\tif (rc >= 0)\n \t\t\treturn rc;\n \n+\t\tif (!port2)\n+\t\t\treturn rc;\n+\n \t\t/* if it failed, try with port2 */\n \t\t*sport = htons(port2);\n \t}\n",
    "prefixes": [
        "02/11"
    ]
}