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cifs: add a debug macro that prints \\server\share for errors

瀏覽代碼 
Where we have a tcon available we can log \\server\share as part
of the message. Only do this for the VFS log level.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
此提交包含在：
Ronnie Sahlberg
2019-09-04 12:32:41 +10:00
提交者 Steve French
父節點 46f17d1768
當前提交 3175eb9b57
共有 4 個檔案被更改，包括 86 行新增 和 50 行删除
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54
fs/cifs/smb2ops.c
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@@ -109,10 +109,10 @@ smb2_add_credits(struct TCP_Server_Info *server,
/* change_conf hasn't been executed */
break;
case 0:
cifs_dbg(VFS, "Possible client or server bug - zero credits\n");
cifs_server_dbg(VFS, "Possible client or server bug - zero credits\n");
break;
case 1:
cifs_dbg(VFS, "disabling echoes and oplocks\n");
cifs_server_dbg(VFS, "disabling echoes and oplocks\n");
break;
case 2:
cifs_dbg(FYI, "disabling oplocks\n");
@@ -230,7 +230,7 @@ smb2_adjust_credits(struct TCP_Server_Info *server,
if (server->reconnect_instance != credits->instance) {
spin_unlock(&server->req_lock);
cifs_dbg(VFS, "trying to return %d credits to old session\n",
cifs_server_dbg(VFS, "trying to return %d credits to old session\n",
credits->value - new_val);
return -EAGAIN;
}
@@ -270,7 +270,7 @@ smb2_find_mid(struct TCP_Server_Info *server, char *buf)
__u64 wire_mid = le64_to_cpu(shdr->MessageId);
if (shdr->ProtocolId == SMB2_TRANSFORM_PROTO_NUM) {
cifs_dbg(VFS, "Encrypted frame parsing not supported yet\n");
cifs_server_dbg(VFS, "Encrypted frame parsing not supported yet\n");
return NULL;
}
@@ -294,10 +294,10 @@ smb2_dump_detail(void *buf, struct TCP_Server_Info *server)
#ifdef CONFIG_CIFS_DEBUG2
struct smb2_sync_hdr *shdr = (struct smb2_sync_hdr *)buf;
cifs_dbg(VFS, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d\n",
cifs_server_dbg(VFS, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d\n",
shdr->Command, shdr->Status, shdr->Flags, shdr->MessageId,
shdr->ProcessId);
cifs_dbg(VFS, "smb buf %p len %u\n", buf,
cifs_server_dbg(VFS, "smb buf %p len %u\n", buf,
server->ops->calc_smb_size(buf, server));
#endif
}
@@ -576,7 +576,7 @@ SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon)
"server does not support query network interfaces\n");
goto out;
} else if (rc != 0) {
cifs_dbg(VFS, "error %d on ioctl to get interface list\n", rc);
cifs_tcon_dbg(VFS, "error %d on ioctl to get interface list\n", rc);
goto out;
}
@@ -1330,11 +1330,11 @@ SMB2_request_res_key(const unsigned int xid, struct cifs_tcon *tcon,
(char **)&res_key, &ret_data_len);
if (rc) {
cifs_dbg(VFS, "refcpy ioctl error %d getting resume key\n", rc);
cifs_tcon_dbg(VFS, "refcpy ioctl error %d getting resume key\n", rc);
goto req_res_key_exit;
}
if (ret_data_len < sizeof(struct resume_key_req)) {
cifs_dbg(VFS, "Invalid refcopy resume key length\n");
cifs_tcon_dbg(VFS, "Invalid refcopy resume key length\n");
rc = -EINVAL;
goto req_res_key_exit;
}
@@ -1486,7 +1486,7 @@ smb2_ioctl_query_info(const unsigned int xid,
qi.input_buffer_length,
qi.output_buffer_length, buffer);
} else { /* unknown flags */
cifs_dbg(VFS, "invalid passthru query flags: 0x%x\n", qi.flags);
cifs_tcon_dbg(VFS, "invalid passthru query flags: 0x%x\n", qi.flags);
rc = -EINVAL;
}
@@ -1613,7 +1613,7 @@ smb2_copychunk_range(const unsigned int xid,
if (rc == 0) {
if (ret_data_len !=
sizeof(struct copychunk_ioctl_rsp)) {
cifs_dbg(VFS, "invalid cchunk response size\n");
cifs_tcon_dbg(VFS, "invalid cchunk response size\n");
rc = -EIO;
goto cchunk_out;
}
@@ -1627,12 +1627,12 @@ smb2_copychunk_range(const unsigned int xid,
*/
if (le32_to_cpu(retbuf->TotalBytesWritten) >
le32_to_cpu(pcchunk->Length)) {
cifs_dbg(VFS, "invalid copy chunk response\n");
cifs_tcon_dbg(VFS, "invalid copy chunk response\n");
rc = -EIO;
goto cchunk_out;
}
if (le32_to_cpu(retbuf->ChunksWritten) != 1) {
cifs_dbg(VFS, "invalid num chunks written\n");
cifs_tcon_dbg(VFS, "invalid num chunks written\n");
rc = -EIO;
goto cchunk_out;
}
@@ -2422,7 +2422,7 @@ smb2_get_dfs_refer(const unsigned int xid, struct cifs_ses *ses,
if (rc) {
if ((rc != -ENOENT) && (rc != -EOPNOTSUPP))
cifs_dbg(VFS, "ioctl error in %s rc=%d\n", __func__, rc);
cifs_tcon_dbg(VFS, "ioctl error in %s rc=%d\n", __func__, rc);
goto out;
}
@@ -2431,7 +2431,7 @@ smb2_get_dfs_refer(const unsigned int xid, struct cifs_ses *ses,
nls_codepage, remap, search_name,
true /* is_unicode */);
if (rc) {
cifs_dbg(VFS, "parse error in %s rc=%d\n", __func__, rc);
cifs_tcon_dbg(VFS, "parse error in %s rc=%d\n", __func__, rc);
goto out;
}
@@ -2661,7 +2661,7 @@ smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon,
if (plen + le32_to_cpu(ioctl_rsp->OutputOffset) >
rsp_iov[1].iov_len) {
cifs_dbg(VFS, "srv returned invalid ioctl len: %d\n",
cifs_tcon_dbg(VFS, "srv returned invalid ioctl len: %d\n",
plen);
rc = -EIO;
goto querty_exit;
@@ -3614,14 +3614,14 @@ crypt_message(struct TCP_Server_Info *server, int num_rqst,
rc = smb2_get_enc_key(server, tr_hdr->SessionId, enc, key);
if (rc) {
cifs_dbg(VFS, "%s: Could not get %scryption key\n", __func__,
cifs_server_dbg(VFS, "%s: Could not get %scryption key\n", __func__,
enc ? "en" : "de");
return 0;
}
rc = smb3_crypto_aead_allocate(server);
if (rc) {
cifs_dbg(VFS, "%s: crypto alloc failed\n", __func__);
cifs_server_dbg(VFS, "%s: crypto alloc failed\n", __func__);
return rc;
}
@@ -3629,19 +3629,19 @@ crypt_message(struct TCP_Server_Info *server, int num_rqst,
server->secmech.ccmaesdecrypt;
rc = crypto_aead_setkey(tfm, key, SMB3_SIGN_KEY_SIZE);
if (rc) {
cifs_dbg(VFS, "%s: Failed to set aead key %d\n", __func__, rc);
cifs_server_dbg(VFS, "%s: Failed to set aead key %d\n", __func__, rc);
return rc;
}
rc = crypto_aead_setauthsize(tfm, SMB2_SIGNATURE_SIZE);
if (rc) {
cifs_dbg(VFS, "%s: Failed to set authsize %d\n", __func__, rc);
cifs_server_dbg(VFS, "%s: Failed to set authsize %d\n", __func__, rc);
return rc;
}
req = aead_request_alloc(tfm, GFP_KERNEL);
if (!req) {
cifs_dbg(VFS, "%s: Failed to alloc aead request\n", __func__);
cifs_server_dbg(VFS, "%s: Failed to alloc aead request\n", __func__);
return -ENOMEM;
}
@@ -3652,7 +3652,7 @@ crypt_message(struct TCP_Server_Info *server, int num_rqst,
sg = init_sg(num_rqst, rqst, sign);
if (!sg) {
cifs_dbg(VFS, "%s: Failed to init sg\n", __func__);
cifs_server_dbg(VFS, "%s: Failed to init sg\n", __func__);
rc = -ENOMEM;
goto free_req;
}
@@ -3660,7 +3660,7 @@ crypt_message(struct TCP_Server_Info *server, int num_rqst,
iv_len = crypto_aead_ivsize(tfm);
iv = kzalloc(iv_len, GFP_KERNEL);
if (!iv) {
cifs_dbg(VFS, "%s: Failed to alloc iv\n", __func__);
cifs_server_dbg(VFS, "%s: Failed to alloc iv\n", __func__);
rc = -ENOMEM;
goto free_sg;
}
@@ -3902,7 +3902,7 @@ handle_read_data(struct TCP_Server_Info *server, struct mid_q_entry *mid,
bool use_rdma_mr = false;
if (shdr->Command != SMB2_READ) {
cifs_dbg(VFS, "only big read responses are supported\n");
cifs_server_dbg(VFS, "only big read responses are supported\n");
return -ENOTSUPP;
}
@@ -4148,7 +4148,7 @@ one_more:
}
if (*num_mids >= MAX_COMPOUND) {
cifs_dbg(VFS, "too many PDUs in compound\n");
cifs_server_dbg(VFS, "too many PDUs in compound\n");
return -1;
}
bufs[*num_mids] = buf;
@@ -4194,7 +4194,7 @@ smb3_receive_transform(struct TCP_Server_Info *server,
if (pdu_length < sizeof(struct smb2_transform_hdr) +
sizeof(struct smb2_sync_hdr)) {
cifs_dbg(VFS, "Transform message is too small (%u)\n",
cifs_server_dbg(VFS, "Transform message is too small (%u)\n",
pdu_length);
cifs_reconnect(server);
wake_up(&server->response_q);
@@ -4202,7 +4202,7 @@ smb3_receive_transform(struct TCP_Server_Info *server,
}
if (pdu_length < orig_len + sizeof(struct smb2_transform_hdr)) {
cifs_dbg(VFS, "Transform message is broken\n");
cifs_server_dbg(VFS, "Transform message is broken\n");
cifs_reconnect(server);
wake_up(&server->response_q);
return -ECONNABORTED;