#ifdef CONFIG_CIFS_STATS2
now = jiffies;
if (now < midEntry->when_alloc)
- cifs_dbg(VFS, "invalid mid allocation time\n");
+ cifs_server_dbg(VFS, "invalid mid allocation time\n");
roundtrip_time = now - midEntry->when_alloc;
if (smb_cmd < NUMBER_OF_SMB2_COMMANDS) {
retries++;
if (retries >= 14 ||
(!server->noblocksnd && (retries > 2))) {
- cifs_dbg(VFS, "sends on sock %p stuck for 15 seconds\n",
+ cifs_server_dbg(VFS, "sends on sock %p stuck for 15 seconds\n",
ssocket);
return -EAGAIN;
}
if (rc == 0) {
/* should never happen, letting socket clear before
retrying is our only obvious option here */
- cifs_dbg(VFS, "tcp sent no data\n");
+ cifs_server_dbg(VFS, "tcp sent no data\n");
msleep(500);
continue;
}
}
smbd_done:
if (rc < 0 && rc != -EINTR)
- cifs_dbg(VFS, "Error %d sending data on socket to server\n",
+ cifs_server_dbg(VFS, "Error %d sending data on socket to server\n",
rc);
else if (rc > 0)
rc = 0;
cur_rqst[0].rq_nvec = 1;
if (!server->ops->init_transform_rq) {
- cifs_dbg(VFS, "Encryption requested but transform callback "
- "is missing\n");
+ cifs_server_dbg(VFS, "Encryption requested but transform "
+ "callback is missing\n");
return -EIO;
}
if ((flags & CIFS_TIMEOUT_MASK) == CIFS_NON_BLOCKING) {
/* oplock breaks must not be held up */
server->in_flight++;
+ if (server->in_flight > server->max_in_flight)
+ server->max_in_flight = server->in_flight;
*credits -= 1;
*instance = server->reconnect_instance;
spin_unlock(&server->req_lock);
if (!rc) {
trace_smb3_credit_timeout(server->CurrentMid,
server->hostname, num_credits);
- cifs_dbg(VFS, "wait timed out after %d ms\n",
+ cifs_server_dbg(VFS, "wait timed out after %d ms\n",
timeout);
return -ENOTSUPP;
}
trace_smb3_credit_timeout(
server->CurrentMid,
server->hostname, num_credits);
- cifs_dbg(VFS, "wait timed out after %d ms\n",
+ cifs_server_dbg(VFS, "wait timed out after %d ms\n",
timeout);
return -ENOTSUPP;
}
if ((flags & CIFS_TIMEOUT_MASK) != CIFS_BLOCKING_OP) {
*credits -= num_credits;
server->in_flight += num_credits;
+ if (server->in_flight > server->max_in_flight)
+ server->max_in_flight = server->in_flight;
*instance = server->reconnect_instance;
}
spin_unlock(&server->req_lock);
break;
default:
list_del_init(&mid->qhead);
- cifs_dbg(VFS, "%s: invalid mid state mid=%llu state=%d\n",
+ cifs_server_dbg(VFS, "%s: invalid mid state mid=%llu state=%d\n",
__func__, mid->mid, mid->mid_state);
rc = -EIO;
}
rc = cifs_verify_signature(&rqst, server,
mid->sequence_number);
if (rc)
- cifs_dbg(VFS, "SMB signature verification returned error = %d\n",
+ cifs_server_dbg(VFS, "SMB signature verification returned error = %d\n",
rc);
}
}
if (rc != 0) {
for (; i < num_rqst; i++) {
- cifs_dbg(VFS, "Cancelling wait for mid %llu cmd: %d\n",
+ cifs_server_dbg(VFS, "Cancelling wait for mid %llu cmd: %d\n",
midQ[i]->mid, le16_to_cpu(midQ[i]->command));
send_cancel(server, &rqst[i], midQ[i]);
spin_lock(&GlobalMid_Lock);
struct kvec iov = { .iov_base = in_buf, .iov_len = len };
struct smb_rqst rqst = { .rq_iov = &iov, .rq_nvec = 1 };
struct cifs_credits credits = { .value = 1, .instance = 0 };
+ struct TCP_Server_Info *server;
if (ses == NULL) {
cifs_dbg(VFS, "Null smb session\n");
return -EIO;
}
- if (ses->server == NULL) {
+ server = ses->server;
+ if (server == NULL) {
cifs_dbg(VFS, "Null tcp session\n");
return -EIO;
}
- if (ses->server->tcpStatus == CifsExiting)
+ if (server->tcpStatus == CifsExiting)
return -ENOENT;
/* Ensure that we do not send more than 50 overlapping requests
use ses->maxReq */
if (len > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4) {
- cifs_dbg(VFS, "Illegal length, greater than maximum frame, %d\n",
+ cifs_server_dbg(VFS, "Illegal length, greater than maximum frame, %d\n",
len);
return -EIO;
}
- rc = wait_for_free_request(ses->server, flags, &credits.instance);
+ rc = wait_for_free_request(server, flags, &credits.instance);
if (rc)
return rc;
and avoid races inside tcp sendmsg code that could cause corruption
of smb data */
- mutex_lock(&ses->server->srv_mutex);
+ mutex_lock(&server->srv_mutex);
rc = allocate_mid(ses, in_buf, &midQ);
if (rc) {
mutex_unlock(&ses->server->srv_mutex);
/* Update # of requests on wire to server */
- add_credits(ses->server, &credits, 0);
+ add_credits(server, &credits, 0);
return rc;
}
- rc = cifs_sign_smb(in_buf, ses->server, &midQ->sequence_number);
+ rc = cifs_sign_smb(in_buf, server, &midQ->sequence_number);
if (rc) {
- mutex_unlock(&ses->server->srv_mutex);
+ mutex_unlock(&server->srv_mutex);
goto out;
}
midQ->mid_state = MID_REQUEST_SUBMITTED;
- cifs_in_send_inc(ses->server);
- rc = smb_send(ses->server, in_buf, len);
- cifs_in_send_dec(ses->server);
+ cifs_in_send_inc(server);
+ rc = smb_send(server, in_buf, len);
+ cifs_in_send_dec(server);
cifs_save_when_sent(midQ);
if (rc < 0)
- ses->server->sequence_number -= 2;
+ server->sequence_number -= 2;
- mutex_unlock(&ses->server->srv_mutex);
+ mutex_unlock(&server->srv_mutex);
if (rc < 0)
goto out;
- rc = wait_for_response(ses->server, midQ);
+ rc = wait_for_response(server, midQ);
if (rc != 0) {
- send_cancel(ses->server, &rqst, midQ);
+ send_cancel(server, &rqst, midQ);
spin_lock(&GlobalMid_Lock);
if (midQ->mid_state == MID_REQUEST_SUBMITTED) {
/* no longer considered to be "in-flight" */
midQ->callback = DeleteMidQEntry;
spin_unlock(&GlobalMid_Lock);
- add_credits(ses->server, &credits, 0);
+ add_credits(server, &credits, 0);
return rc;
}
spin_unlock(&GlobalMid_Lock);
}
- rc = cifs_sync_mid_result(midQ, ses->server);
+ rc = cifs_sync_mid_result(midQ, server);
if (rc != 0) {
- add_credits(ses->server, &credits, 0);
+ add_credits(server, &credits, 0);
return rc;
}
if (!midQ->resp_buf || !out_buf ||
midQ->mid_state != MID_RESPONSE_RECEIVED) {
rc = -EIO;
- cifs_dbg(VFS, "Bad MID state?\n");
+ cifs_server_dbg(VFS, "Bad MID state?\n");
goto out;
}
*pbytes_returned = get_rfc1002_length(midQ->resp_buf);
memcpy(out_buf, midQ->resp_buf, *pbytes_returned + 4);
- rc = cifs_check_receive(midQ, ses->server, 0);
+ rc = cifs_check_receive(midQ, server, 0);
out:
cifs_delete_mid(midQ);
- add_credits(ses->server, &credits, 0);
+ add_credits(server, &credits, 0);
return rc;
}
struct kvec iov = { .iov_base = in_buf, .iov_len = len };
struct smb_rqst rqst = { .rq_iov = &iov, .rq_nvec = 1 };
unsigned int instance;
+ struct TCP_Server_Info *server;
if (tcon == NULL || tcon->ses == NULL) {
cifs_dbg(VFS, "Null smb session\n");
return -EIO;
}
ses = tcon->ses;
+ server = ses->server;
- if (ses->server == NULL) {
+ if (server == NULL) {
cifs_dbg(VFS, "Null tcp session\n");
return -EIO;
}
- if (ses->server->tcpStatus == CifsExiting)
+ if (server->tcpStatus == CifsExiting)
return -ENOENT;
/* Ensure that we do not send more than 50 overlapping requests
use ses->maxReq */
if (len > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4) {
- cifs_dbg(VFS, "Illegal length, greater than maximum frame, %d\n",
+ cifs_tcon_dbg(VFS, "Illegal length, greater than maximum frame, %d\n",
len);
return -EIO;
}
- rc = wait_for_free_request(ses->server, CIFS_BLOCKING_OP, &instance);
+ rc = wait_for_free_request(server, CIFS_BLOCKING_OP, &instance);
if (rc)
return rc;
and avoid races inside tcp sendmsg code that could cause corruption
of smb data */
- mutex_lock(&ses->server->srv_mutex);
+ mutex_lock(&server->srv_mutex);
rc = allocate_mid(ses, in_buf, &midQ);
if (rc) {
- mutex_unlock(&ses->server->srv_mutex);
+ mutex_unlock(&server->srv_mutex);
return rc;
}
- rc = cifs_sign_smb(in_buf, ses->server, &midQ->sequence_number);
+ rc = cifs_sign_smb(in_buf, server, &midQ->sequence_number);
if (rc) {
cifs_delete_mid(midQ);
- mutex_unlock(&ses->server->srv_mutex);
+ mutex_unlock(&server->srv_mutex);
return rc;
}
midQ->mid_state = MID_REQUEST_SUBMITTED;
- cifs_in_send_inc(ses->server);
- rc = smb_send(ses->server, in_buf, len);
- cifs_in_send_dec(ses->server);
+ cifs_in_send_inc(server);
+ rc = smb_send(server, in_buf, len);
+ cifs_in_send_dec(server);
cifs_save_when_sent(midQ);
if (rc < 0)
- ses->server->sequence_number -= 2;
+ server->sequence_number -= 2;
- mutex_unlock(&ses->server->srv_mutex);
+ mutex_unlock(&server->srv_mutex);
if (rc < 0) {
cifs_delete_mid(midQ);
}
/* Wait for a reply - allow signals to interrupt. */
- rc = wait_event_interruptible(ses->server->response_q,
+ rc = wait_event_interruptible(server->response_q,
(!(midQ->mid_state == MID_REQUEST_SUBMITTED)) ||
- ((ses->server->tcpStatus != CifsGood) &&
- (ses->server->tcpStatus != CifsNew)));
+ ((server->tcpStatus != CifsGood) &&
+ (server->tcpStatus != CifsNew)));
/* Were we interrupted by a signal ? */
if ((rc == -ERESTARTSYS) &&
(midQ->mid_state == MID_REQUEST_SUBMITTED) &&
- ((ses->server->tcpStatus == CifsGood) ||
- (ses->server->tcpStatus == CifsNew))) {
+ ((server->tcpStatus == CifsGood) ||
+ (server->tcpStatus == CifsNew))) {
if (in_buf->Command == SMB_COM_TRANSACTION2) {
/* POSIX lock. We send a NT_CANCEL SMB to cause the
blocking lock to return. */
- rc = send_cancel(ses->server, &rqst, midQ);
+ rc = send_cancel(server, &rqst, midQ);
if (rc) {
cifs_delete_mid(midQ);
return rc;
}
}
- rc = wait_for_response(ses->server, midQ);
+ rc = wait_for_response(server, midQ);
if (rc) {
- send_cancel(ses->server, &rqst, midQ);
+ send_cancel(server, &rqst, midQ);
spin_lock(&GlobalMid_Lock);
if (midQ->mid_state == MID_REQUEST_SUBMITTED) {
/* no longer considered to be "in-flight" */
rstart = 1;
}
- rc = cifs_sync_mid_result(midQ, ses->server);
+ rc = cifs_sync_mid_result(midQ, server);
if (rc != 0)
return rc;
/* rcvd frame is ok */
if (out_buf == NULL || midQ->mid_state != MID_RESPONSE_RECEIVED) {
rc = -EIO;
- cifs_dbg(VFS, "Bad MID state?\n");
+ cifs_tcon_dbg(VFS, "Bad MID state?\n");
goto out;
}
*pbytes_returned = get_rfc1002_length(midQ->resp_buf);
memcpy(out_buf, midQ->resp_buf, *pbytes_returned + 4);
- rc = cifs_check_receive(midQ, ses->server, 0);
+ rc = cifs_check_receive(midQ, server, 0);
out:
cifs_delete_mid(midQ);
if (rstart && rc == -EACCES)