diff options
Diffstat (limited to 'fs/cifs/smb2pdu.c')
-rw-r--r-- | fs/cifs/smb2pdu.c | 82 |
1 files changed, 21 insertions, 61 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index ca9d7110ddcb..0e53265e1462 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -139,66 +139,6 @@ out: return; } -static int wait_for_server_reconnect(struct TCP_Server_Info *server, - __le16 smb2_command, bool retry) -{ - int timeout = 10; - int rc; - - spin_lock(&server->srv_lock); - if (server->tcpStatus != CifsNeedReconnect) { - spin_unlock(&server->srv_lock); - return 0; - } - timeout *= server->nr_targets; - spin_unlock(&server->srv_lock); - - /* - * Return to caller for TREE_DISCONNECT and LOGOFF and CLOSE - * here since they are implicitly done when session drops. - */ - switch (smb2_command) { - /* - * BB Should we keep oplock break and add flush to exceptions? - */ - case SMB2_TREE_DISCONNECT: - case SMB2_CANCEL: - case SMB2_CLOSE: - case SMB2_OPLOCK_BREAK: - return -EAGAIN; - } - - /* - * Give demultiplex thread up to 10 seconds to each target available for - * reconnect -- should be greater than cifs socket timeout which is 7 - * seconds. - * - * On "soft" mounts we wait once. Hard mounts keep retrying until - * process is killed or server comes back on-line. - */ - do { - rc = wait_event_interruptible_timeout(server->response_q, - (server->tcpStatus != CifsNeedReconnect), - timeout * HZ); - if (rc < 0) { - cifs_dbg(FYI, "%s: aborting reconnect due to received signal\n", - __func__); - return -ERESTARTSYS; - } - - /* are we still trying to reconnect? */ - spin_lock(&server->srv_lock); - if (server->tcpStatus != CifsNeedReconnect) { - spin_unlock(&server->srv_lock); - return 0; - } - spin_unlock(&server->srv_lock); - } while (retry); - - cifs_dbg(FYI, "%s: gave up waiting on reconnect\n", __func__); - return -EHOSTDOWN; -} - static int smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon, struct TCP_Server_Info *server) @@ -243,7 +183,27 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon, (!tcon->ses->server) || !server) return -EIO; - rc = wait_for_server_reconnect(server, smb2_command, tcon->retry); + spin_lock(&server->srv_lock); + if (server->tcpStatus == CifsNeedReconnect) { + /* + * Return to caller for TREE_DISCONNECT and LOGOFF and CLOSE + * here since they are implicitly done when session drops. + */ + switch (smb2_command) { + /* + * BB Should we keep oplock break and add flush to exceptions? + */ + case SMB2_TREE_DISCONNECT: + case SMB2_CANCEL: + case SMB2_CLOSE: + case SMB2_OPLOCK_BREAK: + spin_unlock(&server->srv_lock); + return -EAGAIN; + } + } + spin_unlock(&server->srv_lock); + + rc = cifs_wait_for_server_reconnect(server, tcon->retry); if (rc) return rc; |