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smb3: Add dynamic trace points for RDMA (smbdirect) reconnect

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smb3_smbd_connect_done and smb3_smbd_connect_err

To improve debugging of RDMA issues add those two. We already
had dynamic tracepoints for non-RDMA connect done and error cases.

Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Steve French 2023-09-19 11:03:24 -05:00
parent ce9ecca023
commit e3603ccf4a
2 changed files with 8 additions and 3 deletions
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9
fs/smb/client/smbdirect.c
View file

@ -1401,10 +1401,13 @@ int smbd_reconnect(struct TCP_Server_Info *server)
server->smbd_conn = smbd_get_connection(
server, (struct sockaddr *) &server->dstaddr);
if (server->smbd_conn)
if (server->smbd_conn) {
cifs_dbg(VFS, "RDMA transport re-established\n");
return server->smbd_conn ? 0 : -ENOENT;
trace_smb3_smbd_connect_done(server->hostname, server->conn_id, &server->dstaddr);
return 0;
}
trace_smb3_smbd_connect_err(server->hostname, server->conn_id, &server->dstaddr);
return -ENOENT;
}
static void destroy_caches_and_workqueue(struct smbd_connection *info)

2
fs/smb/client/trace.h
View file

@ -935,6 +935,8 @@ DEFINE_EVENT(smb3_connect_class, smb3_##name, \
TP_ARGS(hostname, conn_id, addr))
DEFINE_SMB3_CONNECT_EVENT(connect_done);
DEFINE_SMB3_CONNECT_EVENT(smbd_connect_done);
DEFINE_SMB3_CONNECT_EVENT(smbd_connect_err);
DECLARE_EVENT_CLASS(smb3_connect_err_class,
TP_PROTO(char *hostname, __u64 conn_id,