diff options
Diffstat (limited to 'fs/cifs/connect.c')
| -rw-r--r-- | fs/cifs/connect.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index d8aae257649f..e666d2643ede 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -145,6 +145,25 @@ requeue_resolve: return rc; } +static void smb2_query_server_interfaces(struct work_struct *work) +{ + int rc; + struct cifs_tcon *tcon = container_of(work, + struct cifs_tcon, + query_interfaces.work); + + /* + * query server network interfaces, in case they change + */ + rc = SMB3_request_interfaces(0, tcon); + if (rc) { + cifs_dbg(FYI, "%s: failed to query server interfaces: %d\n", + __func__, rc); + } + + queue_delayed_work(cifsiod_wq, &tcon->query_interfaces, + (SMB_INTERFACE_POLL_INTERVAL * HZ)); +} static void cifs_resolve_server(struct work_struct *work) { @@ -2276,6 +2295,9 @@ cifs_put_tcon(struct cifs_tcon *tcon) list_del_init(&tcon->tcon_list); spin_unlock(&cifs_tcp_ses_lock); + /* cancel polling of interfaces */ + cancel_delayed_work_sync(&tcon->query_interfaces); + if (tcon->use_witness) { int rc; @@ -2513,6 +2535,12 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb3_fs_context *ctx) tcon->local_lease = ctx->local_lease; INIT_LIST_HEAD(&tcon->pending_opens); + /* schedule query interfaces poll */ + INIT_DELAYED_WORK(&tcon->query_interfaces, + smb2_query_server_interfaces); + queue_delayed_work(cifsiod_wq, &tcon->query_interfaces, + (SMB_INTERFACE_POLL_INTERVAL * HZ)); + spin_lock(&cifs_tcp_ses_lock); list_add(&tcon->tcon_list, &ses->tcon_list); spin_unlock(&cifs_tcp_ses_lock); |