[PATCH v3 0/9] smb: client/smbdirect: connect bug fixes/cleanups and smbdirect_socket.status_wait

[Stefan Metzmacher <metze@samba.org>]

Hi,

this is the next step towards a common smbdirect layer
between cifs.ko and ksmbd.ko, with the aim to provide
a socket layer for userspace usage at the end of the road.

This patchset focuses on the client side.

The first one is a fix for very long timeouts against
unreachable servers.

The others prepare the use of a single wait_queue for state
changes. This removes a lot of special handling during
the connect and negotiate phases.

The last two move the state_wait queue into the common
smbdirect_socket.status_wait.

For the server I have only a single patch that also
uses smbdirect_socket.status_wait, but I'm skipping
the server patches today.

I used the following xfstests as regression tests:
cifs/001 generic/001 generic/002 generic/005 generic/006 generic/007 generic/010 generic/011

Between cifs.ko against ksmbd.ko via siw.ko.

V3:
smbd_disconnect_rdma_work() needed to handle more
than SMBDIRECT_SOCKET_CONNECTED in order to call
rdma_disconnect.

V2:
init_waitqueue_head(&info->status_wait); was moved
to the beginning so that it is correctly initialized
in smbd_create_id().

Stefan Metzmacher (9):
  smb: client: return an error if rdma_connect does not return within 5
    seconds
  smb: client: improve logging in smbd_conn_upcall()
  smb: client: don't call init_waitqueue_head(&info->conn_wait) twice in
    _smbd_get_connection
  smb: client: only use a single wait_queue to monitor smbdirect
    connection status
  smb: client/smbdirect: replace SMBDIRECT_SOCKET_CONNECTING with more
    detailed states
  smb: client: use status_wait and SMBDIRECT_SOCKET_NEGOTIATE_RUNNING
    for completion
  smb: client: use status_wait and
    SMBDIRECT_SOCKET_RESOLVE_{ADDR,ROUTE}_RUNNING for completion
  smb: smbdirect: introduce smbdirect_socket.status_wait
  smb: client: make use of smbdirect_socket.status_wait

 fs/smb/client/smbdirect.c                  | 167 +++++++++++++++------
 fs/smb/client/smbdirect.h                  |   8 -
 fs/smb/common/smbdirect/smbdirect_socket.h |  15 +-
 3 files changed, 134 insertions(+), 56 deletions(-)

-- 
2.43.0