*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/fs.h>
#include <linux/net.h>
unsigned int wsize;
unsigned int sockopt;
unsigned short int port;
- char * prepath;
+ char *prepath;
};
-static int ipv4_connect(struct sockaddr_in *psin_server,
+static int ipv4_connect(struct sockaddr_in *psin_server,
struct socket **csocket,
- char * netb_name,
- char * server_netb_name);
-static int ipv6_connect(struct sockaddr_in6 *psin_server,
+ char *netb_name,
+ char *server_netb_name);
+static int ipv6_connect(struct sockaddr_in6 *psin_server,
struct socket **csocket);
- /*
+ /*
* cifs tcp session reconnection
- *
+ *
* mark tcp session as reconnecting so temporarily locked
* mark all smb sessions as reconnecting for tcp session
* reconnect tcp session
struct list_head *tmp;
struct cifsSesInfo *ses;
struct cifsTconInfo *tcon;
- struct mid_q_entry * mid_entry;
+ struct mid_q_entry *mid_entry;
spin_lock(&GlobalMid_Lock);
- if( kthread_should_stop() ) {
- /* the demux thread will exit normally
+ if ( kthread_should_stop() ) {
+ /* the demux thread will exit normally
next time through the loop */
spin_unlock(&GlobalMid_Lock);
return rc;
}
list_for_each(tmp, &GlobalTreeConnectionList) {
tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList);
- if((tcon) && (tcon->ses) && (tcon->ses->server == server)) {
+ if ((tcon) && (tcon->ses) && (tcon->ses->server == server)) {
tcon->tidStatus = CifsNeedReconnect;
}
}
read_unlock(&GlobalSMBSeslock);
/* do not want to be sending data on a socket we are freeing */
- down(&server->tcpSem);
- if(server->ssocket) {
+ down(&server->tcpSem);
+ if (server->ssocket) {
cFYI(1, ("State: 0x%x Flags: 0x%lx", server->ssocket->state,
server->ssocket->flags));
- server->ssocket->ops->shutdown(server->ssocket,SEND_SHUTDOWN);
- cFYI(1, ("Post shutdown state: 0x%x Flags: 0x%lx",
+ server->ssocket->ops->shutdown(server->ssocket, SEND_SHUTDOWN);
+ cFYI(1, ("Post shutdown state: 0x%x Flags: 0x%lx",
server->ssocket->state,
server->ssocket->flags));
sock_release(server->ssocket);
mid_entry = list_entry(tmp, struct
mid_q_entry,
qhead);
- if(mid_entry) {
- if(mid_entry->midState == MID_REQUEST_SUBMITTED) {
+ if (mid_entry) {
+ if (mid_entry->midState == MID_REQUEST_SUBMITTED) {
/* Mark other intransit requests as needing
retry so we do not immediately mark the
session bad again (ie after we reconnect
}
}
spin_unlock(&GlobalMid_Lock);
- up(&server->tcpSem);
+ up(&server->tcpSem);
- while ( (!kthread_should_stop()) && (server->tcpStatus != CifsGood))
- {
+ while ( (!kthread_should_stop()) && (server->tcpStatus != CifsGood)) {
try_to_freeze();
- if(server->protocolType == IPV6) {
- rc = ipv6_connect(&server->addr.sockAddr6,&server->ssocket);
+ if (server->protocolType == IPV6) {
+ rc = ipv6_connect(&server->addr.sockAddr6,
+ &server->ssocket);
} else {
- rc = ipv4_connect(&server->addr.sockAddr,
+ rc = ipv4_connect(&server->addr.sockAddr,
&server->ssocket,
server->workstation_RFC1001_name,
server->server_RFC1001_name);
}
- if(rc) {
- cFYI(1, ("reconnect error %d",rc));
+ if (rc) {
+ cFYI(1, ("reconnect error %d", rc));
msleep(3000);
} else {
atomic_inc(&tcpSesReconnectCount);
spin_lock(&GlobalMid_Lock);
- if( !kthread_should_stop() )
+ if ( !kthread_should_stop() )
server->tcpStatus = CifsGood;
server->sequence_number = 0;
- spin_unlock(&GlobalMid_Lock);
+ spin_unlock(&GlobalMid_Lock);
/* atomic_set(&server->inFlight,0);*/
wake_up(&server->response_q);
}
return rc;
}
-/*
+/*
return codes:
0 not a transact2, or all data present
>0 transact2 with that much data missing
-EINVAL = invalid transact2
*/
-static int check2ndT2(struct smb_hdr * pSMB, unsigned int maxBufSize)
+static int check2ndT2(struct smb_hdr *pSMB, unsigned int maxBufSize)
{
- struct smb_t2_rsp * pSMBt;
- int total_data_size;
+ struct smb_t2_rsp *pSMBt;
+ int total_data_size;
int data_in_this_rsp;
int remaining;
- if(pSMB->Command != SMB_COM_TRANSACTION2)
+ if (pSMB->Command != SMB_COM_TRANSACTION2)
return 0;
- /* check for plausible wct, bcc and t2 data and parm sizes */
- /* check for parm and data offset going beyond end of smb */
- if(pSMB->WordCount != 10) { /* coalesce_t2 depends on this */
+ /* check for plausible wct, bcc and t2 data and parm sizes */
+ /* check for parm and data offset going beyond end of smb */
+ if (pSMB->WordCount != 10) { /* coalesce_t2 depends on this */
cFYI(1, ("invalid transact2 word count"));
return -EINVAL;
}
remaining = total_data_size - data_in_this_rsp;
- if(remaining == 0)
+ if (remaining == 0)
return 0;
- else if(remaining < 0) {
+ else if (remaining < 0) {
cFYI(1, ("total data %d smaller than data in frame %d",
total_data_size, data_in_this_rsp));
return -EINVAL;
} else {
cFYI(1, ("missing %d bytes from transact2, check next response",
remaining));
- if(total_data_size > maxBufSize) {
- cERROR(1,("TotalDataSize %d is over maximum buffer %d",
- total_data_size,maxBufSize));
- return -EINVAL;
+ if (total_data_size > maxBufSize) {
+ cERROR(1, ("TotalDataSize %d is over maximum buffer %d",
+ total_data_size, maxBufSize));
+ return -EINVAL;
}
return remaining;
}
}
-static int coalesce_t2(struct smb_hdr * psecond, struct smb_hdr *pTargetSMB)
+static int coalesce_t2(struct smb_hdr *psecond, struct smb_hdr *pTargetSMB)
{
struct smb_t2_rsp *pSMB2 = (struct smb_t2_rsp *)psecond;
struct smb_t2_rsp *pSMBt = (struct smb_t2_rsp *)pTargetSMB;
int total_in_buf;
int remaining;
int total_in_buf2;
- char * data_area_of_target;
- char * data_area_of_buf2;
+ char *data_area_of_target;
+ char *data_area_of_buf2;
__u16 byte_count;
total_data_size = le16_to_cpu(pSMBt->t2_rsp.TotalDataCount);
- if(total_data_size != le16_to_cpu(pSMB2->t2_rsp.TotalDataCount)) {
- cFYI(1,("total data sizes of primary and secondary t2 differ"));
+ if (total_data_size != le16_to_cpu(pSMB2->t2_rsp.TotalDataCount)) {
+ cFYI(1, ("total data sizes of primary and secondary t2 differ"));
}
total_in_buf = le16_to_cpu(pSMBt->t2_rsp.DataCount);
remaining = total_data_size - total_in_buf;
- if(remaining < 0)
+ if (remaining < 0)
return -EINVAL;
- if(remaining == 0) /* nothing to do, ignore */
+ if (remaining == 0) /* nothing to do, ignore */
return 0;
total_in_buf2 = le16_to_cpu(pSMB2->t2_rsp.DataCount);
- if(remaining < total_in_buf2) {
+ if (remaining < total_in_buf2) {
cFYI(1, ("transact2 2nd response contains too much data"));
}
/* find end of first SMB data area */
- data_area_of_target = (char *)&pSMBt->hdr.Protocol +
+ data_area_of_target = (char *)&pSMBt->hdr.Protocol +
le16_to_cpu(pSMBt->t2_rsp.DataOffset);
/* validate target area */
data_area_of_buf2 = (char *) &pSMB2->hdr.Protocol +
- le16_to_cpu(pSMB2->t2_rsp.DataOffset);
+ le16_to_cpu(pSMB2->t2_rsp.DataOffset);
data_area_of_target += total_in_buf;
/* copy second buffer into end of first buffer */
- memcpy(data_area_of_target,data_area_of_buf2,total_in_buf2);
+ memcpy(data_area_of_target, data_area_of_buf2, total_in_buf2);
total_in_buf += total_in_buf2;
pSMBt->t2_rsp.DataCount = cpu_to_le16(total_in_buf);
byte_count = le16_to_cpu(BCC_LE(pTargetSMB));
pTargetSMB->smb_buf_length = byte_count;
- if(remaining == total_in_buf2) {
+ if (remaining == total_in_buf2) {
cFYI(1, ("found the last secondary response"));
return 0; /* we are done */
} else /* more responses to go */
current->flags |= PF_MEMALLOC;
server->tsk = current; /* save process info to wake at shutdown */
cFYI(1, ("Demultiplex PID: %d", current->pid));
- write_lock(&GlobalSMBSeslock);
+ write_lock(&GlobalSMBSeslock);
atomic_inc(&tcpSesAllocCount);
length = tcpSesAllocCount.counter;
write_unlock(&GlobalSMBSeslock);
complete(&cifsd_complete);
- if(length > 1) {
+ if (length > 1) {
mempool_resize(cifs_req_poolp,
length + cifs_min_rcv,
GFP_KERNEL);
with the most common, zero, as regular data */
temp = *((char *) smb_buffer);
- /* Note that FC 1001 length is big endian on the wire,
+ /* Note that FC 1001 length is big endian on the wire,
but we convert it here so it is always manipulated
as host byte order */
pdu_length = ntohl(smb_buffer->smb_buf_length);
cFYI(1, ("rfc1002 length 0x%x", pdu_length+4));
if (temp == (char) RFC1002_SESSION_KEEP_ALIVE) {
- continue;
+ continue;
} else if (temp == (char)RFC1002_POSITIVE_SESSION_RESPONSE) {
cFYI(1, ("Good RFC 1002 session rsp"));
continue;
} else if (temp == (char)RFC1002_NEGATIVE_SESSION_RESPONSE) {
- /* we get this from Windows 98 instead of
+ /* we get this from Windows 98 instead of
an error on SMB negprot response */
- cFYI(1,("Negative RFC1002 Session Response Error 0x%x)",
+ cFYI(1, ("Negative RFC1002 Session Response Error 0x%x)",
pdu_length));
- if(server->tcpStatus == CifsNew) {
- /* if nack on negprot (rather than
+ if (server->tcpStatus == CifsNew) {
+ /* if nack on negprot (rather than
ret of smb negprot error) reconnecting
not going to help, ret error to mount */
break;
msleep(1000);
/* always try 445 first on reconnect
since we get NACK on some if we ever
- connected to port 139 (the NACK is
+ connected to port 139 (the NACK is
since we do not begin with RFC1001
session initialize frame) */
- server->addr.sockAddr.sin_port =
+ server->addr.sockAddr.sin_port =
htons(CIFS_PORT);
cifs_reconnect(server);
csocket = server->ssocket;
continue;
}
} else if (temp != (char) 0) {
- cERROR(1,("Unknown RFC 1002 frame"));
+ cERROR(1, ("Unknown RFC 1002 frame"));
cifs_dump_mem(" Received Data: ", (char *)smb_buffer,
length);
cifs_reconnect(server);
}
/* else we have an SMB response */
- if((pdu_length > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4) ||
+ if ((pdu_length > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4) ||
(pdu_length < sizeof (struct smb_hdr) - 1 - 4)) {
cERROR(1, ("Invalid size SMB length %d pdu_length %d",
length, pdu_length+4));
csocket = server->ssocket;
wake_up(&server->response_q);
continue;
- }
+ }
/* else length ok */
reconnect = 0;
- if(pdu_length > MAX_CIFS_SMALL_BUFFER_SIZE - 4) {
+ if (pdu_length > MAX_CIFS_SMALL_BUFFER_SIZE - 4) {
isLargeBuf = TRUE;
memcpy(bigbuf, smallbuf, 4);
smb_buffer = bigbuf;
length = 0;
iov.iov_base = 4 + (char *)smb_buffer;
iov.iov_len = pdu_length;
- for (total_read = 0; total_read < pdu_length;
+ for (total_read = 0; total_read < pdu_length;
total_read += length) {
length = kernel_recvmsg(csocket, &smb_msg, &iov, 1,
pdu_length - total_read, 0);
- if( kthread_should_stop() ||
+ if ( kthread_should_stop() ||
(length == -EINTR)) {
/* then will exit */
reconnect = 2;
} else if (server->tcpStatus == CifsNeedReconnect) {
cifs_reconnect(server);
csocket = server->ssocket;
- /* Reconnect wakes up rspns q */
+ /* Reconnect wakes up rspns q */
/* Now we will reread sock */
reconnect = 1;
break;
- } else if ((length == -ERESTARTSYS) ||
+ } else if ((length == -ERESTARTSYS) ||
(length == -EAGAIN)) {
msleep(1); /* minimum sleep to prevent looping,
- allowing socket to clear and app
+ allowing socket to clear and app
threads to set tcpStatus
CifsNeedReconnect if server hung*/
continue;
} else if (length <= 0) {
- cERROR(1,("Received no data, expecting %d",
+ cERROR(1, ("Received no data, expecting %d",
pdu_length - total_read));
cifs_reconnect(server);
csocket = server->ssocket;
break;
}
}
- if(reconnect == 2)
+ if (reconnect == 2)
break;
- else if(reconnect == 1)
+ else if (reconnect == 1)
continue;
length += 4; /* account for rfc1002 hdr */
if ((mid_entry->mid == smb_buffer->Mid) &&
(mid_entry->midState == MID_REQUEST_SUBMITTED) &&
(mid_entry->command == smb_buffer->Command)) {
- if(check2ndT2(smb_buffer,server->maxBuf) > 0) {
+ if (check2ndT2(smb_buffer,server->maxBuf) > 0) {
/* We have a multipart transact2 resp */
isMultiRsp = TRUE;
- if(mid_entry->resp_buf) {
+ if (mid_entry->resp_buf) {
/* merge response - fix up 1st*/
- if(coalesce_t2(smb_buffer,
+ if (coalesce_t2(smb_buffer,
mid_entry->resp_buf)) {
mid_entry->multiRsp = 1;
break;
goto multi_t2_fnd;
}
} else {
- if(!isLargeBuf) {
+ if (!isLargeBuf) {
cERROR(1,("1st trans2 resp needs bigbuf"));
/* BB maybe we can fix this up, switch
to already allocated large buffer? */
break;
}
mid_entry->resp_buf = smb_buffer;
- if(isLargeBuf)
+ if (isLargeBuf)
mid_entry->largeBuf = 1;
else
mid_entry->largeBuf = 0;
spin_unlock(&GlobalMid_Lock);
if (task_to_wake) {
/* Was previous buf put in mpx struct for multi-rsp? */
- if(!isMultiRsp) {
+ if (!isMultiRsp) {
/* smb buffer will be freed by user thread */
- if(isLargeBuf) {
+ if (isLargeBuf) {
bigbuf = NULL;
} else
smallbuf = NULL;
/* check if we have blocked requests that need to free */
/* Note that cifs_max_pending is normally 50, but
can be set at module install time to as little as two */
- if(atomic_read(&server->inFlight) >= cifs_max_pending)
+ if (atomic_read(&server->inFlight) >= cifs_max_pending)
atomic_set(&server->inFlight, cifs_max_pending - 1);
/* We do not want to set the max_pending too low or we
could end up with the counter going negative */
/* give those requests time to exit */
msleep(125);
- if(server->ssocket) {
+ if (server->ssocket) {
sock_release(csocket);
server->ssocket = NULL;
}
cFYI(1,
("Clearing Mid 0x%x - waking up ",mid_entry->mid));
task_to_wake = mid_entry->tsk;
- if(task_to_wake) {
+ if (task_to_wake) {
wake_up_process(task_to_wake);
}
}
write_unlock(&GlobalSMBSeslock);
kfree(server);
- if(length > 0) {
+ if (length > 0) {
mempool_resize(cifs_req_poolp,
length + cifs_min_rcv,
GFP_KERNEL);
if (!options)
return 1;
- if(strncmp(options,"sep=",4) == 0) {
- if(options[4] != 0) {
+ if (strncmp(options,"sep=",4) == 0) {
+ if (options[4] != 0) {
separator[0] = options[4];
options += 5;
} else {
printk(KERN_WARNING
"CIFS: invalid or missing username\n");
return 1; /* needs_arg; */
- } else if(!*value) {
+ } else if (!*value) {
/* null user, ie anonymous, authentication */
vol->nullauth = 1;
}
if (!value) {
vol->password = NULL;
continue;
- } else if(value[0] == 0) {
+ } else if (value[0] == 0) {
/* check if string begins with double comma
since that would mean the password really
does start with a comma, and would not
indicate an empty string */
- if(value[1] != separator[0]) {
+ if (value[1] != separator[0]) {
vol->password = NULL;
continue;
}
}
temp_len++;
}
- if(value[temp_len] == 0) {
+ if (value[temp_len] == 0) {
options = NULL;
} else {
value[temp_len] = 0;
double commas to singles. Note that this ends up
allocating a few bytes too many, which is ok */
vol->password = kzalloc(temp_len, GFP_KERNEL);
- if(vol->password == NULL) {
+ if (vol->password == NULL) {
printk("CIFS: no memory for pass\n");
return 1;
}
for(i=0,j=0;i<temp_len;i++,j++) {
vol->password[j] = value[i];
- if(value[i] == separator[0]
+ if (value[i] == separator[0]
&& value[i+1] == separator[0]) {
/* skip second comma */
i++;
vol->password[j] = 0;
} else {
vol->password = kzalloc(temp_len+1, GFP_KERNEL);
- if(vol->password == NULL) {
+ if (vol->password == NULL) {
printk("CIFS: no memory for pass\n");
return 1;
}
}
} else if (strnicmp(data, "netbiosname", 4) == 0) {
if (!value || !*value || (*value == ' ')) {
- cFYI(1,("invalid (empty) netbiosname specified"));
+ cFYI(1, ("invalid (empty) netbiosname specified"));
} else {
memset(vol->source_rfc1001_name,0x20,15);
for(i=0;i<15;i++) {
/* turn off mandatory locking in mode
if remote locking is turned off since the
local vfs will do advisory */
- if(vol->file_mode == (S_IALLUGO & ~(S_ISUID | S_IXGRP)))
+ if (vol->file_mode == (S_IALLUGO & ~(S_ISUID | S_IXGRP)))
vol->file_mode = S_IALLUGO;
} else if (strnicmp(data, "setuids", 7) == 0) {
vol->setuids = 1;
return 1;
}
}
- if(vol->UNCip == NULL)
+ if (vol->UNCip == NULL)
vol->UNCip = &vol->UNC[2];
return 0;
list_for_each(tmp, &GlobalSMBSessionList) {
ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList);
if (ses->server) {
- if((target_ip_addr &&
+ if ((target_ip_addr &&
(ses->server->addr.sockAddr.sin_addr.s_addr
== target_ip_addr->s_addr)) || (target_ip6_addr
&& memcmp(&ses->server->addr.sockAddr6.sin6_addr,
/* BB lock tcon, server and tcp session and increment use count here? */
/* found a match on the TCP session */
/* BB check if reconnection needed */
- cFYI(1,("IP match, old UNC: %s new: %s",
+ cFYI(1, ("IP match, old UNC: %s new: %s",
tcon->treeName, uncName));
if (strncmp
(tcon->treeName, uncName,
int connected = 0;
__be16 orig_port = 0;
- if(*csocket == NULL) {
+ if (*csocket == NULL) {
rc = sock_create_kern(PF_INET, SOCK_STREAM, IPPROTO_TCP, csocket);
if (rc < 0) {
cERROR(1, ("Error %d creating socket",rc));
}
psin_server->sin_family = AF_INET;
- if(psin_server->sin_port) { /* user overrode default port */
+ if (psin_server->sin_port) { /* user overrode default port */
rc = (*csocket)->ops->connect(*csocket,
(struct sockaddr *) psin_server,
sizeof (struct sockaddr_in),0);
connected = 1;
}
- if(!connected) {
+ if (!connected) {
/* save original port so we can retry user specified port
later if fall back ports fail this time */
orig_port = psin_server->sin_port;
/* do not retry on the same port we just failed on */
- if(psin_server->sin_port != htons(CIFS_PORT)) {
+ if (psin_server->sin_port != htons(CIFS_PORT)) {
psin_server->sin_port = htons(CIFS_PORT);
rc = (*csocket)->ops->connect(*csocket,
/* give up here - unless we want to retry on different
protocol families some day */
if (!connected) {
- if(orig_port)
+ if (orig_port)
psin_server->sin_port = orig_port;
- cFYI(1,("Error %d connecting to server via ipv4",rc));
+ cFYI(1, ("Error %d connecting to server via ipv4",rc));
sock_release(*csocket);
*csocket = NULL;
return rc;
/* Eventually check for other socket options to change from
the default. sock_setsockopt not used because it expects
user space buffer */
- cFYI(1,("sndbuf %d rcvbuf %d rcvtimeo 0x%lx",(*csocket)->sk->sk_sndbuf,
+ cFYI(1, ("sndbuf %d rcvbuf %d rcvtimeo 0x%lx",(*csocket)->sk->sk_sndbuf,
(*csocket)->sk->sk_rcvbuf, (*csocket)->sk->sk_rcvtimeo));
(*csocket)->sk->sk_rcvtimeo = 7 * HZ;
/* make the bufsizes depend on wsize/rsize and max requests */
- if((*csocket)->sk->sk_sndbuf < (200 * 1024))
+ if ((*csocket)->sk->sk_sndbuf < (200 * 1024))
(*csocket)->sk->sk_sndbuf = 200 * 1024;
- if((*csocket)->sk->sk_rcvbuf < (140 * 1024))
+ if ((*csocket)->sk->sk_rcvbuf < (140 * 1024))
(*csocket)->sk->sk_rcvbuf = 140 * 1024;
/* send RFC1001 sessinit */
- if(psin_server->sin_port == htons(RFC1001_PORT)) {
+ if (psin_server->sin_port == htons(RFC1001_PORT)) {
/* some servers require RFC1001 sessinit before sending
negprot - BB check reconnection in case where second
sessinit is sent but no second negprot */
struct rfc1002_session_packet * ses_init_buf;
struct smb_hdr * smb_buf;
ses_init_buf = kzalloc(sizeof(struct rfc1002_session_packet), GFP_KERNEL);
- if(ses_init_buf) {
+ if (ses_init_buf) {
ses_init_buf->trailer.session_req.called_len = 32;
- if(target_name && (target_name[0] != 0)) {
+ if (target_name && (target_name[0] != 0)) {
rfc1002mangle(ses_init_buf->trailer.session_req.called_name,
target_name, 16);
} else {
ses_init_buf->trailer.session_req.calling_len = 32;
/* calling name ends in null (byte 16) from old smb
convention. */
- if(netbios_name && (netbios_name[0] !=0)) {
+ if (netbios_name && (netbios_name[0] !=0)) {
rfc1002mangle(ses_init_buf->trailer.session_req.calling_name,
netbios_name,16);
} else {
int connected = 0;
__be16 orig_port = 0;
- if(*csocket == NULL) {
+ if (*csocket == NULL) {
rc = sock_create_kern(PF_INET6, SOCK_STREAM, IPPROTO_TCP, csocket);
if (rc < 0) {
cERROR(1, ("Error %d creating ipv6 socket",rc));
return rc;
} else {
/* BB other socket options to set KEEPALIVE, NODELAY? */
- cFYI(1,("ipv6 Socket created"));
+ cFYI(1, ("ipv6 Socket created"));
(*csocket)->sk->sk_allocation = GFP_NOFS;
}
}
psin_server->sin6_family = AF_INET6;
- if(psin_server->sin6_port) { /* user overrode default port */
+ if (psin_server->sin6_port) { /* user overrode default port */
rc = (*csocket)->ops->connect(*csocket,
(struct sockaddr *) psin_server,
sizeof (struct sockaddr_in6),0);
connected = 1;
}
- if(!connected) {
+ if (!connected) {
/* save original port so we can retry user specified port
later if fall back ports fail this time */
orig_port = psin_server->sin6_port;
/* do not retry on the same port we just failed on */
- if(psin_server->sin6_port != htons(CIFS_PORT)) {
+ if (psin_server->sin6_port != htons(CIFS_PORT)) {
psin_server->sin6_port = htons(CIFS_PORT);
rc = (*csocket)->ops->connect(*csocket,
/* give up here - unless we want to retry on different
protocol families some day */
if (!connected) {
- if(orig_port)
+ if (orig_port)
psin_server->sin6_port = orig_port;
- cFYI(1,("Error %d connecting to server via ipv6",rc));
+ cFYI(1, ("Error %d connecting to server via ipv6",rc));
sock_release(*csocket);
*csocket = NULL;
return rc;
__u64 saved_cap = le64_to_cpu(tcon->fsUnixInfo.Capability);
- if(!CIFSSMBQFSUnixInfo(xid, tcon)) {
+ if (!CIFSSMBQFSUnixInfo(xid, tcon)) {
__u64 cap = le64_to_cpu(tcon->fsUnixInfo.Capability);
/* check for reconnect case in which we do not
want to change the mount behavior if we can avoid it */
- if(vol_info == NULL) {
+ if (vol_info == NULL) {
/* turn off POSIX ACL and PATHNAMES if not set
originally at mount time */
if ((saved_cap & CIFS_UNIX_POSIX_ACL_CAP) == 0)
if (vol_info && vol_info->no_psx_acl)
cap &= ~CIFS_UNIX_POSIX_ACL_CAP;
else if (CIFS_UNIX_POSIX_ACL_CAP & cap) {
- cFYI(1,("negotiated posix acl support"));
- if(sb)
+ cFYI(1, ("negotiated posix acl support"));
+ if (sb)
sb->s_flags |= MS_POSIXACL;
}
if (vol_info && vol_info->posix_paths == 0)
cap &= ~CIFS_UNIX_POSIX_PATHNAMES_CAP;
else if (cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
- cFYI(1,("negotiate posix pathnames"));
+ cFYI(1, ("negotiate posix pathnames"));
if (sb)
CIFS_SB(sb)->mnt_cifs_flags |=
CIFS_MOUNT_POSIX_PATHS;
if ((cap & CIFS_UNIX_LARGE_READ_CAP) == 0) {
CIFS_SB(sb)->rsize = 127 * 1024;
#ifdef CONFIG_CIFS_DEBUG2
- cFYI(1,("larger reads not supported by srv"));
+ cFYI(1, ("larger reads not supported by srv"));
#endif
}
}
- cFYI(1,("Negotiate caps 0x%x",(int)cap));
+ cFYI(1, ("Negotiate caps 0x%x",(int)cap));
#ifdef CONFIG_CIFS_DEBUG2
if (cap & CIFS_UNIX_FCNTL_CAP)
- cFYI(1,("FCNTL cap"));
+ cFYI(1, ("FCNTL cap"));
if (cap & CIFS_UNIX_EXTATTR_CAP)
- cFYI(1,("EXTATTR cap"));
+ cFYI(1, ("EXTATTR cap"));
if (cap & CIFS_UNIX_POSIX_PATHNAMES_CAP)
- cFYI(1,("POSIX path cap"));
+ cFYI(1, ("POSIX path cap"));
if (cap & CIFS_UNIX_XATTR_CAP)
- cFYI(1,("XATTR cap"));
+ cFYI(1, ("XATTR cap"));
if (cap & CIFS_UNIX_POSIX_ACL_CAP)
- cFYI(1,("POSIX ACL cap"));
+ cFYI(1, ("POSIX ACL cap"));
if (cap & CIFS_UNIX_LARGE_READ_CAP)
- cFYI(1,("very large read cap"));
+ cFYI(1, ("very large read cap"));
if (cap & CIFS_UNIX_LARGE_WRITE_CAP)
- cFYI(1,("very large write cap"));
+ cFYI(1, ("very large write cap"));
#endif /* CIFS_DEBUG2 */
if (CIFSSMBSetFSUnixInfo(xid, tcon, cap)) {
- cFYI(1,("setting capabilities failed"));
+ cFYI(1, ("setting capabilities failed"));
}
}
}
}
if (volume_info.nullauth) {
- cFYI(1,("null user"));
+ cFYI(1, ("null user"));
volume_info.username = NULL;
} else if (volume_info.username) {
/* BB fixme parse for domain name here */
if (volume_info.UNCip && volume_info.UNC) {
rc = cifs_inet_pton(AF_INET, volume_info.UNCip,&sin_server.sin_addr.s_addr);
- if(rc <= 0) {
+ if (rc <= 0) {
/* not ipv4 address, try ipv6 */
rc = cifs_inet_pton(AF_INET6,volume_info.UNCip,&sin_server6.sin6_addr.in6_u);
- if(rc > 0)
+ if (rc > 0)
address_type = AF_INET6;
} else {
address_type = AF_INET;
}
- if(rc <= 0) {
+ if (rc <= 0) {
/* we failed translating address */
kfree(volume_info.UNC);
kfree(volume_info.password);
}
/* this is needed for ASCII cp to Unicode converts */
- if(volume_info.iocharset == NULL) {
+ if (volume_info.iocharset == NULL) {
cifs_sb->local_nls = load_nls_default();
/* load_nls_default can not return null */
} else {
cifs_sb->local_nls = load_nls(volume_info.iocharset);
- if(cifs_sb->local_nls == NULL) {
+ if (cifs_sb->local_nls == NULL) {
cERROR(1,("CIFS mount error: iocharset %s not found",volume_info.iocharset));
kfree(volume_info.UNC);
kfree(volume_info.password);
}
}
- if(address_type == AF_INET)
+ if (address_type == AF_INET)
existingCifsSes = cifs_find_tcp_session(&sin_server.sin_addr,
NULL /* no ipv6 addr */,
volume_info.username, &srvTcp);
- else if(address_type == AF_INET6) {
- cFYI(1,("looking for ipv6 address"));
+ else if (address_type == AF_INET6) {
+ cFYI(1, ("looking for ipv6 address"));
existingCifsSes = cifs_find_tcp_session(NULL /* no ipv4 addr */,
&sin_server6.sin6_addr,
volume_info.username, &srvTcp);
else
sin_server.sin_port = 0;
if (address_type == AF_INET6) {
- cFYI(1,("attempting ipv6 connect"));
+ cFYI(1, ("attempting ipv6 connect"));
/* BB should we allow ipv6 on port 139? */
/* other OS never observed in Wild doing 139 with v6 */
rc = ipv6_connect(&sin_server6,&csocket);
send_sig call */
force_sig(SIGKILL,srvTcp->tsk);
tsk = srvTcp->tsk;
- if(tsk)
+ if (tsk)
kthread_stop(tsk);
}
}
/* tell server which Unix caps we support */
if (tcon->ses->capabilities & CAP_UNIX)
reset_cifs_unix_caps(xid, tcon, sb, &volume_info);
- else if(cifs_sb->rsize > (1024 * 127)) {
+ else if (cifs_sb->rsize > (1024 * 127)) {
cifs_sb->rsize = 1024 * 127;
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("no very large read support, rsize 127K"));
pSMB->req_no_secext.MaxBufferSize = cpu_to_le16(ses->server->maxBuf);
pSMB->req_no_secext.MaxMpxCount = cpu_to_le16(ses->server->maxReq);
- if(ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+ if (ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
capabilities = CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS |
/* We look for obvious messed up bcc or strings in response so we do not go off
the end since (at least) WIN2K and Windows XP have a major bug in not null
terminating last Unicode string in response */
- if(ses->serverOS)
+ if (ses->serverOS)
kfree(ses->serverOS);
ses->serverOS = kzalloc(2 * (len + 1), GFP_KERNEL);
- if(ses->serverOS == NULL)
+ if (ses->serverOS == NULL)
goto sesssetup_nomem;
cifs_strfromUCS_le(ses->serverOS,
(__le16 *)bcc_ptr, len,nls_codepage);
remaining_words-1);
kfree(ses->serverNOS);
ses->serverNOS = kzalloc(2 * (len + 1),GFP_KERNEL);
- if(ses->serverNOS == NULL)
+ if (ses->serverNOS == NULL)
goto sesssetup_nomem;
cifs_strfromUCS_le(ses->serverNOS,
(__le16 *)bcc_ptr,len,nls_codepage);
bcc_ptr += 2 * (len + 1);
ses->serverNOS[2 * len] = 0;
ses->serverNOS[1 + (2 * len)] = 0;
- if(strncmp(ses->serverNOS,
+ if (strncmp(ses->serverNOS,
"NT LAN Manager 4",16) == 0) {
cFYI(1, ("NT4 server"));
ses->flags |= CIFS_SES_NT4;
if (remaining_words > 0) {
len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
/* last string is not always null terminated (for e.g. for Windows XP & 2000) */
- if(ses->serverDomain)
+ if (ses->serverDomain)
kfree(ses->serverDomain);
ses->serverDomain =
kzalloc(2*(len+1),GFP_KERNEL);
- if(ses->serverDomain == NULL)
+ if (ses->serverDomain == NULL)
goto sesssetup_nomem;
cifs_strfromUCS_le(ses->serverDomain,
(__le16 *)bcc_ptr,len,nls_codepage);
ses->serverDomain[1+(2*len)] = 0;
} /* else no more room so create dummy domain string */
else {
- if(ses->serverDomain)
+ if (ses->serverDomain)
kfree(ses->serverDomain);
ses->serverDomain =
kzalloc(2, GFP_KERNEL);
<= BCC(smb_buffer_response)) {
kfree(ses->serverOS);
ses->serverOS = kzalloc(len + 1,GFP_KERNEL);
- if(ses->serverOS == NULL)
+ if (ses->serverOS == NULL)
goto sesssetup_nomem;
strncpy(ses->serverOS,bcc_ptr, len);
len = strnlen(bcc_ptr, 1024);
kfree(ses->serverNOS);
ses->serverNOS = kzalloc(len + 1,GFP_KERNEL);
- if(ses->serverNOS == NULL)
+ if (ses->serverNOS == NULL)
goto sesssetup_nomem;
strncpy(ses->serverNOS, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- if(ses->serverDomain)
+ if (ses->serverDomain)
kfree(ses->serverDomain);
ses->serverDomain = kzalloc(len + 1,GFP_KERNEL);
- if(ses->serverDomain == NULL)
+ if (ses->serverDomain == NULL)
goto sesssetup_nomem;
strncpy(ses->serverDomain, bcc_ptr, len);
bcc_ptr += len;
__u16 count;
cFYI(1, ("In NTLMSSP sesssetup (negotiate)"));
- if(ses == NULL)
+ if (ses == NULL)
return -EINVAL;
domain = ses->domainName;
*pNTLMv2_flag = FALSE;
pSMB->req.MaxBufferSize = cpu_to_le16(ses->server->maxBuf);
pSMB->req.MaxMpxCount = cpu_to_le16(ses->server->maxReq);
- if(ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+ if (ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
capabilities = CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS |
NTLMSSP_REQUEST_TARGET | NTLMSSP_NEGOTIATE_NTLM |
NTLMSSP_NEGOTIATE_56 |
/* NTLMSSP_NEGOTIATE_ALWAYS_SIGN | */ NTLMSSP_NEGOTIATE_128;
- if(sign_CIFS_PDUs)
+ if (sign_CIFS_PDUs)
negotiate_flags |= NTLMSSP_NEGOTIATE_SIGN;
-/* if(ntlmv2_support)
+/* if (ntlmv2_support)
negotiate_flags |= NTLMSSP_NEGOTIATE_NTLMV2;*/
/* setup pointers to domain name and workstation name */
bcc_ptr += SecurityBlobLength;
memcpy(ses->server->cryptKey,
SecurityBlob2->Challenge,
CIFS_CRYPTO_KEY_SIZE);
- if(SecurityBlob2->NegotiateFlags &
+ if (SecurityBlob2->NegotiateFlags &
cpu_to_le32(NTLMSSP_NEGOTIATE_NTLMV2))
*pNTLMv2_flag = TRUE;
- if((SecurityBlob2->NegotiateFlags &
+ if ((SecurityBlob2->NegotiateFlags &
cpu_to_le32(NTLMSSP_NEGOTIATE_ALWAYS_SIGN))
|| (sign_CIFS_PDUs > 1))
ses->server->secMode |=
/* We look for obvious messed up bcc or strings in response so we do not go off
the end since (at least) WIN2K and Windows XP have a major bug in not null
terminating last Unicode string in response */
- if(ses->serverOS)
+ if (ses->serverOS)
kfree(ses->serverOS);
ses->serverOS =
kzalloc(2 * (len + 1), GFP_KERNEL);
if (((long) bcc_ptr + len) - (long)
pByteArea(smb_buffer_response)
<= BCC(smb_buffer_response)) {
- if(ses->serverOS)
+ if (ses->serverOS)
kfree(ses->serverOS);
ses->serverOS =
kzalloc(len + 1,
__u16 count;
cFYI(1, ("In NTLMSSPSessSetup (Authenticate)"));
- if(ses == NULL)
+ if (ses == NULL)
return -EINVAL;
user = ses->userName;
domain = ses->domainName;
pSMB->req.hdr.Uid = ses->Suid;
- if(ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+ if (ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
capabilities = CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS |
NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_REQUEST_TARGET |
NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_TARGET_INFO |
0x80000000 | NTLMSSP_NEGOTIATE_128;
- if(sign_CIFS_PDUs)
+ if (sign_CIFS_PDUs)
negotiate_flags |= /* NTLMSSP_NEGOTIATE_ALWAYS_SIGN |*/ NTLMSSP_NEGOTIATE_SIGN;
- if(ntlmv2_flag)
+ if (ntlmv2_flag)
negotiate_flags |= NTLMSSP_NEGOTIATE_NTLMV2;
/* setup pointers to domain name and workstation name */
le16_to_cpu(pSMBr->resp.SecurityBlobLength);
if (action & GUEST_LOGIN)
cFYI(1, (" Guest login")); /* BB do we want to set anything in SesInfo struct ? */
-/* if(SecurityBlob2->MessageType != NtLm??){
+/* if (SecurityBlob2->MessageType != NtLm??){
cFYI("Unexpected message type on auth response is %d "));
} */
if (ses) {
/* We look for obvious messed up bcc or strings in response so we do not go off
the end since (at least) WIN2K and Windows XP have a major bug in not null
terminating last Unicode string in response */
- if(ses->serverOS)
+ if (ses->serverOS)
kfree(ses->serverOS);
ses->serverOS =
kzalloc(2 * (len + 1), GFP_KERNEL);
if (remaining_words > 0) {
len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
/* last string not always null terminated (e.g. for Windows XP & 2000) */
- if(ses->serverDomain)
+ if (ses->serverDomain)
kfree(ses->serverDomain);
ses->serverDomain =
kzalloc(2 *
= 0;
} /* else no more room so create dummy domain string */
else {
- if(ses->serverDomain)
+ if (ses->serverDomain)
kfree(ses->serverDomain);
ses->serverDomain = kzalloc(2,GFP_KERNEL);
}
} else { /* no room so create dummy domain and NOS string */
- if(ses->serverDomain)
+ if (ses->serverDomain)
kfree(ses->serverDomain);
ses->serverDomain = kzalloc(2, GFP_KERNEL);
kfree(ses->serverNOS);
if (((long) bcc_ptr + len) -
(long) pByteArea(smb_buffer_response)
<= BCC(smb_buffer_response)) {
- if(ses->serverOS)
+ if (ses->serverOS)
kfree(ses->serverOS);
ses->serverOS = kzalloc(len + 1,GFP_KERNEL);
strncpy(ses->serverOS,bcc_ptr, len);
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- if(ses->serverDomain)
+ if (ses->serverDomain)
kfree(ses->serverDomain);
ses->serverDomain = kzalloc(len+1,GFP_KERNEL);
strncpy(ses->serverDomain, bcc_ptr, len);
pSMB->AndXCommand = 0xFF;
pSMB->Flags = cpu_to_le16(TCON_EXTENDED_SECINFO);
bcc_ptr = &pSMB->Password[0];
- if((ses->server->secMode) & SECMODE_USER) {
+ if ((ses->server->secMode) & SECMODE_USER) {
pSMB->PasswordLength = cpu_to_le16(1); /* minimum */
*bcc_ptr = 0; /* password is null byte */
bcc_ptr++; /* skip password */
by Samba (not sure whether other servers allow
NTLMv2 password here) */
#ifdef CONFIG_CIFS_WEAK_PW_HASH
- if((extended_security & CIFSSEC_MAY_LANMAN) &&
+ if ((extended_security & CIFSSEC_MAY_LANMAN) &&
(ses->server->secType == LANMAN))
calc_lanman_hash(ses, bcc_ptr);
else
bcc_ptr);
bcc_ptr += CIFS_SESS_KEY_SIZE;
- if(ses->capabilities & CAP_UNICODE) {
+ if (ses->capabilities & CAP_UNICODE) {
/* must align unicode strings */
*bcc_ptr = 0; /* null byte password */
bcc_ptr++;
}
}
- if(ses->server->secMode &
+ if (ses->server->secMode &
(SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
}
/* else do not bother copying these informational fields */
}
- if((smb_buffer_response->WordCount == 3) ||
+ if ((smb_buffer_response->WordCount == 3) ||
(smb_buffer_response->WordCount == 7))
/* field is in same location */
tcon->Flags = le16_to_cpu(pSMBr->OptionalSupport);
int first_time = 0;
/* what if server changes its buffer size after dropping the session? */
- if(pSesInfo->server->maxBuf == 0) /* no need to send on reconnect */ {
+ if (pSesInfo->server->maxBuf == 0) /* no need to send on reconnect */ {
rc = CIFSSMBNegotiate(xid, pSesInfo);
- if(rc == -EAGAIN) /* retry only once on 1st time connection */ {
+ if (rc == -EAGAIN) /* retry only once on 1st time connection */ {
rc = CIFSSMBNegotiate(xid, pSesInfo);
- if(rc == -EAGAIN)
+ if (rc == -EAGAIN)
rc = -EHOSTDOWN;
}
- if(rc == 0) {
+ if (rc == 0) {
spin_lock(&GlobalMid_Lock);
- if(pSesInfo->server->tcpStatus != CifsExiting)
+ if (pSesInfo->server->tcpStatus != CifsExiting)
pSesInfo->server->tcpStatus = CifsGood;
else
rc = -EHOSTDOWN;
if (!rc) {
pSesInfo->flags = 0;
pSesInfo->capabilities = pSesInfo->server->capabilities;
- if(linuxExtEnabled == 0)
+ if (linuxExtEnabled == 0)
pSesInfo->capabilities &= (~CAP_UNIX);
/* pSesInfo->sequence_number = 0;*/
- cFYI(1,("Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d",
+ cFYI(1, ("Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d",
pSesInfo->server->secMode,
pSesInfo->server->capabilities,
pSesInfo->server->timeAdj));
- if(experimEnabled < 2)
+ if (experimEnabled < 2)
rc = CIFS_SessSetup(xid, pSesInfo,
first_time, nls_info);
else if (extended_security
&ntlmv2_flag,
nls_info);
if (!rc) {
- if(ntlmv2_flag) {
+ if (ntlmv2_flag) {
char * v2_response;
cFYI(1, ("more secure NTLM ver2 hash"));
- if(CalcNTLMv2_partial_mac_key(pSesInfo,
+ if (CalcNTLMv2_partial_mac_key(pSesInfo,
nls_info)) {
rc = -ENOMEM;
goto ss_err_exit;
} else
v2_response = kmalloc(16 + 64 /* blob */, GFP_KERNEL);
- if(v2_response) {
+ if (v2_response) {
CalcNTLMv2_response(pSesInfo,v2_response);
- /* if(first_time)
+ /* if (first_time)
cifs_calculate_ntlmv2_mac_key(
pSesInfo->server->mac_signing_key,
response, ntlm_session_key, */
pSesInfo->server->cryptKey,
ntlm_session_key);
- if(first_time)
+ if (first_time)
cifs_calculate_mac_key(
&pSesInfo->server->mac_signing_key,
ntlm_session_key,
pSesInfo->server->cryptKey,
ntlm_session_key);
- if(first_time)
+ if (first_time)
cifs_calculate_mac_key(
&pSesInfo->server->mac_signing_key,
ntlm_session_key, pSesInfo->password);
ntlm_session_key, nls_info);
}
if (rc) {
- cERROR(1,("Send error in SessSetup = %d",rc));
+ cERROR(1, ("Send error in SessSetup = %d", rc));
} else {
cFYI(1, ("CIFS Session Established successfully"));
pSesInfo->status = CifsGood;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
- FILE_ALL_INFO * buf = NULL;
+ FILE_ALL_INFO *buf = NULL;
struct inode *newinode = NULL;
- struct cifsFileInfo * pCifsFile = NULL;
- struct cifsInodeInfo * pCifsInode;
+ struct cifsFileInfo *pCifsFile = NULL;
+ struct cifsInodeInfo *pCifsInode;
int disposition = FILE_OVERWRITE_IF;
int write_only = FALSE;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
- struct inode * newinode = NULL;
+ struct inode *newinode = NULL;
if (!old_valid_dev(device_number))
return -EINVAL;
* Author(s): Steve French (sfrench@us.ibm.com)
*
* Common Internet FileSystem (CIFS) client
- *
+ *
* Operations related to support for exporting files via NFSD
*
* This library is free software; you can redistribute it and/or modify
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
- /*
+ /*
* See Documentation/filesystems/Exporting
* and examples in fs/exportfs
*/
static struct dentry *cifs_get_parent(struct dentry *dentry)
{
- /* BB need to add code here eventually to enable export via NFSD */
- return ERR_PTR(-EACCES);
+ /* BB need to add code here eventually to enable export via NFSD */
+ return ERR_PTR(-EACCES);
}
struct export_operations cifs_export_ops = {
- .get_parent = cifs_get_parent,
-/* Following five export operations are unneeded so far and can default */
-/* .get_dentry =
- .get_name =
- .find_exported_dentry =
- .decode_fh =
- .encode_fs = */
- };
+ .get_parent = cifs_get_parent,
+/* Following five export operations are unneeded so far and can default:
+ .get_dentry =
+ .get_name =
+ .find_exported_dentry =
+ .decode_fh =
+ .encode_fs = */
+};
#endif /* EXPERIMENTAL */
return cifs_ntfy_flags;
}
-int cifs_dir_notify(struct file * file, unsigned long arg)
+int cifs_dir_notify(struct file *file, unsigned long arg)
{
int xid;
int rc = -EINVAL;
* fs/cifs/file.c
*
* vfs operations that deal with files
- *
- * Copyright (C) International Business Machines Corp., 2002,2003
+ *
+ * Copyright (C) International Business Machines Corp., 2002,2007
* Author(s): Steve French (sfrench@us.ibm.com)
* Jeremy Allison (jra@samba.org)
*
{
memset(private_data, 0, sizeof(struct cifsFileInfo));
private_data->netfid = netfid;
- private_data->pid = current->tgid;
+ private_data->pid = current->tgid;
init_MUTEX(&private_data->fh_sem);
mutex_init(&private_data->lock_mutex);
INIT_LIST_HEAD(&private_data->llist);
does not tell us which handle the write is for so there can
be a close (overlapping with write) of the filehandle that
cifs_writepages chose to use */
- atomic_set(&private_data->wrtPending,0);
+ atomic_set(&private_data->wrtPending, 0);
return private_data;
}
in the list so we do not have to walk the
list to search for one in prepare_write */
if ((file->f_flags & O_ACCMODE) == O_WRONLY) {
- list_add_tail(&pCifsFile->flist,
+ list_add_tail(&pCifsFile->flist,
&pCifsInode->openFileList);
} else {
list_add(&pCifsFile->flist,
/*********************************************************************
* open flag mapping table:
- *
+ *
* POSIX Flag CIFS Disposition
- * ---------- ----------------
+ * ---------- ----------------
* O_CREAT FILE_OPEN_IF
* O_CREAT | O_EXCL FILE_CREATE
* O_CREAT | O_TRUNC FILE_OVERWRITE_IF
* none of the above FILE_OPEN
*
* Note that there is not a direct match between disposition
- * FILE_SUPERSEDE (ie create whether or not file exists although
+ * FILE_SUPERSEDE (ie create whether or not file exists although
* O_CREAT | O_TRUNC is similar but truncates the existing
* file rather than creating a new file as FILE_SUPERSEDE does
* (which uses the attributes / metadata passed in on open call)
*?
- *? O_SYNC is a reasonable match to CIFS writethrough flag
+ *? O_SYNC is a reasonable match to CIFS writethrough flag
*? and the read write flags match reasonably. O_LARGEFILE
*? is irrelevant because largefile support is always used
*? by this client. Flags O_APPEND, O_DIRECT, O_DIRECTORY,
and calling get_inode_info with returned buf (at least helps
non-Unix server case) */
- /* BB we can not do this if this is the second open of a file
- and the first handle has writebehind data, we might be
+ /* BB we can not do this if this is the second open of a file
+ and the first handle has writebehind data, we might be
able to simply do a filemap_fdatawrite/filemap_fdatawait first */
buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
if (!buf) {
}
if (cifs_sb->tcon->ses->capabilities & CAP_NT_SMBS)
- rc = CIFSSMBOpen(xid, pTcon, full_path, disposition,
+ rc = CIFSSMBOpen(xid, pTcon, full_path, disposition,
desiredAccess, CREATE_NOT_DIR, &netfid, &oplock, buf,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags
& CIFS_MOUNT_MAP_SPECIAL_CHR);
write_unlock(&GlobalSMBSeslock);
}
- if (oplock & CIFS_CREATE_ACTION) {
+ if (oplock & CIFS_CREATE_ACTION) {
/* time to set mode which we can not set earlier due to
problems creating new read-only files */
if (cifs_sb->tcon->ses->capabilities & CAP_UNIX) {
inode->i_mode,
(__u64)-1, (__u64)-1, 0 /* dev */,
cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
} else {
/* BB implement via Windows security descriptors eg
struct cifsTconInfo *pTcon;
struct cifsFileInfo *pCifsFile;
struct cifsInodeInfo *pCifsInode;
- struct inode * inode;
+ struct inode *inode;
char *full_path = NULL;
int desiredAccess;
int disposition = FILE_OPEN;
}
inode = file->f_path.dentry->d_inode;
- if(inode == NULL) {
+ if (inode == NULL) {
cERROR(1, ("inode not valid"));
dump_stack();
rc = -EBADF;
}
cFYI(1, ("inode = 0x%p file flags 0x%x for %s",
- inode, file->f_flags,full_path));
+ inode, file->f_flags, full_path));
desiredAccess = cifs_convert_flags(file->f_flags);
if (oplockEnabled)
oplock = FALSE;
/* Can not refresh inode by passing in file_info buf to be returned
- by SMBOpen and then calling get_inode_info with returned buf
- since file might have write behind data that needs to be flushed
+ by SMBOpen and then calling get_inode_info with returned buf
+ since file might have write behind data that needs to be flushed
and server version of file size can be stale. If we knew for sure
that inode was not dirty locally we could do this */
rc = CIFSSMBOpen(xid, pTcon, full_path, disposition, desiredAccess,
CREATE_NOT_DIR, &netfid, &oplock, NULL,
- cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
+ cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc) {
up(&pCifsFile->fh_sem);
already closed */
if (pTcon->tidStatus != CifsNeedReconnect) {
int timeout = 2;
- while((atomic_read(&pSMBFile->wrtPending) != 0)
+ while ((atomic_read(&pSMBFile->wrtPending) != 0)
&& (timeout < 1000) ) {
/* Give write a better chance to get to
server ahead of the close. We do not
want to add a wait_q here as it would
increase the memory utilization as
the struct would be in each open file,
- but this should give enough time to
+ but this should give enough time to
clear the socket */
#ifdef CONFIG_CIFS_DEBUG2
- cFYI(1,("close delay, write pending"));
+ cFYI(1, ("close delay, write pending"));
#endif /* DEBUG2 */
msleep(timeout);
timeout *= 4;
}
- if(atomic_read(&pSMBFile->wrtPending))
+ if (atomic_read(&pSMBFile->wrtPending))
cERROR(1,("close with pending writes"));
rc = CIFSSMBClose(xid, pTcon,
pSMBFile->netfid);
CIFS_I(inode)->clientCanCacheRead = FALSE;
CIFS_I(inode)->clientCanCacheAll = FALSE;
}
- if ((rc ==0) && CIFS_I(inode)->write_behind_rc)
+ if ((rc == 0) && CIFS_I(inode)->write_behind_rc)
rc = CIFS_I(inode)->write_behind_rc;
FreeXid(xid);
return rc;
if (pCFileStruct) {
struct cifsTconInfo *pTcon;
- struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
+ struct cifs_sb_info *cifs_sb =
+ CIFS_SB(file->f_path.dentry->d_sb);
pTcon = cifs_sb->tcon;
if (ptmp) {
cFYI(1, ("closedir free smb buf in srch struct"));
pCFileStruct->srch_inf.ntwrk_buf_start = NULL;
- if(pCFileStruct->srch_inf.smallBuf)
+ if (pCFileStruct->srch_inf.smallBuf)
cifs_small_buf_release(ptmp);
else
cifs_buf_release(ptmp);
static int store_file_lock(struct cifsFileInfo *fid, __u64 len,
__u64 offset, __u8 lockType)
{
- struct cifsLockInfo *li = kmalloc(sizeof(struct cifsLockInfo), GFP_KERNEL);
+ struct cifsLockInfo *li =
+ kmalloc(sizeof(struct cifsLockInfo), GFP_KERNEL);
if (li == NULL)
return -ENOMEM;
li->offset = offset;
cFYI(1, ("Lock parm: 0x%x flockflags: "
"0x%x flocktype: 0x%x start: %lld end: %lld",
- cmd, pfLock->fl_flags, pfLock->fl_type, pfLock->fl_start,
- pfLock->fl_end));
+ cmd, pfLock->fl_flags, pfLock->fl_type, pfLock->fl_start,
+ pfLock->fl_end));
if (pfLock->fl_flags & FL_POSIX)
cFYI(1, ("Posix"));
"not implemented yet"));
if (pfLock->fl_flags & FL_LEASE)
cFYI(1, ("Lease on file - not implemented yet"));
- if (pfLock->fl_flags &
+ if (pfLock->fl_flags &
(~(FL_POSIX | FL_FLOCK | FL_SLEEP | FL_ACCESS | FL_LEASE)))
cFYI(1, ("Unknown lock flags 0x%x", pfLock->fl_flags));
account for negative length which we can not accept over the
wire */
if (IS_GETLK(cmd)) {
- if(posix_locking) {
+ if (posix_locking) {
int posix_lock_type;
- if(lockType & LOCKING_ANDX_SHARED_LOCK)
+ if (lockType & LOCKING_ANDX_SHARED_LOCK)
posix_lock_type = CIFS_RDLCK;
else
posix_lock_type = CIFS_WRLCK;
rc = CIFSSMBLock(xid, pTcon, netfid, length, pfLock->fl_start,
0, 1, lockType, 0 /* wait flag */ );
if (rc == 0) {
- rc = CIFSSMBLock(xid, pTcon, netfid, length,
+ rc = CIFSSMBLock(xid, pTcon, netfid, length,
pfLock->fl_start, 1 /* numUnlock */ ,
0 /* numLock */ , lockType,
0 /* wait flag */ );
if (posix_locking) {
int posix_lock_type;
- if(lockType & LOCKING_ANDX_SHARED_LOCK)
+ if (lockType & LOCKING_ANDX_SHARED_LOCK)
posix_lock_type = CIFS_RDLCK;
else
posix_lock_type = CIFS_WRLCK;
- if(numUnlock == 1)
+ if (numUnlock == 1)
posix_lock_type = CIFS_UNLCK;
rc = CIFSSMBPosixLock(xid, pTcon, netfid, 0 /* set */,
length, pfLock,
posix_lock_type, wait_flag);
} else {
- struct cifsFileInfo *fid = (struct cifsFileInfo *)file->private_data;
+ struct cifsFileInfo *fid =
+ (struct cifsFileInfo *)file->private_data;
if (numLock) {
- rc = CIFSSMBLock(xid, pTcon, netfid, length, pfLock->fl_start,
+ rc = CIFSSMBLock(xid, pTcon, netfid, length,
+ pfLock->fl_start,
0, numLock, lockType, wait_flag);
if (rc == 0) {
list_for_each_entry_safe(li, tmp, &fid->llist, llist) {
if (pfLock->fl_start <= li->offset &&
length >= li->length) {
- stored_rc = CIFSSMBLock(xid, pTcon, netfid,
+ stored_rc = CIFSSMBLock(xid, pTcon,
+ netfid,
li->length, li->offset,
1, 0, li->type, FALSE);
if (stored_rc)
and blocked, and the file has been freed on us while
we blocked so return what we managed to write */
return total_written;
- }
+ }
if (open_file->closePend) {
FreeXid(xid);
if (total_written)
/* since the write may have blocked check these pointers again */
if ((file->f_path.dentry) && (file->f_path.dentry->d_inode)) {
struct inode *inode = file->f_path.dentry->d_inode;
-/* Do not update local mtime - server will set its actual value on write
- * inode->i_ctime = inode->i_mtime =
+/* Do not update local mtime - server will set its actual value on write
+ * inode->i_ctime = inode->i_mtime =
* current_fs_time(inode->i_sb);*/
if (total_written > 0) {
spin_lock(&inode->i_lock);
*poffset);
spin_unlock(&inode->i_lock);
}
- mark_inode_dirty_sync(file->f_path.dentry->d_inode);
+ mark_inode_dirty_sync(file->f_path.dentry->d_inode);
}
FreeXid(xid);
return total_written;
pTcon = cifs_sb->tcon;
- cFYI(1,("write %zd bytes to offset %lld of %s", write_size,
+ cFYI(1, ("write %zd bytes to offset %lld of %s", write_size,
*poffset, file->f_path.dentry->d_name.name));
if (file->private_data == NULL)
FreeXid(xid);
/* if we have gotten here we have written some data
and blocked, and the file has been freed on us
- while we blocked so return what we managed to
+ while we blocked so return what we managed to
write */
return total_written;
- }
+ }
if (open_file->closePend) {
FreeXid(xid);
if (total_written)
if (open_file->invalidHandle) {
/* we could deadlock if we called
filemap_fdatawait from here so tell
- reopen_file not to flush data to
+ reopen_file not to flush data to
server now */
rc = cifs_reopen_file(file, FALSE);
if (rc != 0)
break;
}
- if(experimEnabled || (pTcon->ses->server &&
- ((pTcon->ses->server->secMode &
+ if (experimEnabled || (pTcon->ses->server &&
+ ((pTcon->ses->server->secMode &
(SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
== 0))) {
struct kvec iov[2];
}
} else
*poffset += bytes_written;
- long_op = FALSE; /* subsequent writes fast -
+ long_op = FALSE; /* subsequent writes fast -
15 seconds is plenty */
}
the VFS or MM) should not happen but we had reports of on oops (due to
it being zero) during stress testcases so we need to check for it */
- if(cifs_inode == NULL) {
- cERROR(1,("Null inode passed to cifs_writeable_file"));
+ if (cifs_inode == NULL) {
+ cERROR(1, ("Null inode passed to cifs_writeable_file"));
dump_stack();
return NULL;
}
(open_file->pfile->f_flags & O_WRONLY))) {
atomic_inc(&open_file->wrtPending);
read_unlock(&GlobalSMBSeslock);
- if((open_file->invalidHandle) &&
+ if ((open_file->invalidHandle) &&
(!open_file->closePend) /* BB fixme -since the second clause can not be true remove it BB */) {
rc = cifs_reopen_file(open_file->pfile, FALSE);
/* if it fails, try another handle - might be */
/* dangerous to hold up writepages with retry */
- if(rc) {
- cFYI(1,("failed on reopen file in wp"));
+ if (rc) {
+ cFYI(1, ("failed on reopen file in wp"));
read_lock(&GlobalSMBSeslock);
/* can not use this handle, no write
pending on this one after all */
/* check to make sure that we are not extending the file */
if (mapping->host->i_size - offset < (loff_t)to)
- to = (unsigned)(mapping->host->i_size - offset);
+ to = (unsigned)(mapping->host->i_size - offset);
open_file = find_writable_file(CIFS_I(mapping->host));
if (open_file) {
int done = 0;
pgoff_t end;
pgoff_t index;
- int range_whole = 0;
- struct kvec * iov;
+ int range_whole = 0;
+ struct kvec *iov;
int len;
int n_iov = 0;
pgoff_t next;
if (cifs_sb->wsize < PAGE_CACHE_SIZE)
return generic_writepages(mapping, wbc);
- if((cifs_sb->tcon->ses) && (cifs_sb->tcon->ses->server))
- if(cifs_sb->tcon->ses->server->secMode &
- (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
- if(!experimEnabled)
+ if ((cifs_sb->tcon->ses) && (cifs_sb->tcon->ses->server))
+ if (cifs_sb->tcon->ses->server->secMode &
+ (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+ if (!experimEnabled)
return generic_writepages(mapping, wbc);
iov = kmalloc(32 * sizeof(struct kvec), GFP_KERNEL);
- if(iov == NULL)
+ if (iov == NULL)
return generic_writepages(mapping, wbc);
success rc but too little data written? */
/* BB investigate retry logic on temporary
server crash cases and how recovery works
- when page marked as error */
- if(rc)
+ when page marked as error */
+ if (rc)
SetPageError(page);
kunmap(page);
unlock_page(page);
return rc;
}
-static int cifs_writepage(struct page* page, struct writeback_control *wbc)
+static int cifs_writepage(struct page *page, struct writeback_control *wbc)
{
int rc = -EFAULT;
int xid;
xid = GetXid();
/* BB add check for wbc flags */
page_cache_get(page);
- if (!PageUptodate(page)) {
+ if (!PageUptodate(page)) {
cFYI(1, ("ppw - page not up to date"));
}
* Just unlocking the page will cause the radix tree tag-bits
* to fail to update with the state of the page correctly.
*/
- set_page_writeback(page);
+ set_page_writeback(page);
rc = cifs_partialpagewrite(page, 0, PAGE_CACHE_SIZE);
SetPageUptodate(page); /* BB add check for error and Clearuptodate? */
unlock_page(page);
char *page_data;
xid = GetXid();
- cFYI(1, ("commit write for page %p up to position %lld for %d",
+ cFYI(1, ("commit write for page %p up to position %lld for %d",
page, position, to));
spin_lock(&inode->i_lock);
if (position > inode->i_size) {
rc = 0;
/* else if (rc < 0) should we set writebehind rc? */
kunmap(page);
- } else {
+ } else {
set_page_dirty(page);
}
xid = GetXid();
- cFYI(1, ("Sync file - name: %s datasync: 0x%x",
+ cFYI(1, ("Sync file - name: %s datasync: 0x%x",
dentry->d_name.name, datasync));
rc = filemap_fdatawrite(inode->i_mapping);
if (!inode)
return; */
-/* fill in rpages then
+/* fill in rpages then
result = cifs_pagein_inode(inode, index, rpages); */ /* BB finish */
/* cFYI(1, ("rpages is %d for sync page of Index %ld", rpages, index));
*/
int cifs_flush(struct file *file, fl_owner_t id)
{
- struct inode * inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file->f_path.dentry->d_inode;
int rc = 0;
/* Rather than do the steps manually:
if (!rc) /* reset wb rc if we were able to write out dirty pages */
CIFS_I(inode)->write_behind_rc = 0;
- cFYI(1, ("Flush inode %p file %p rc %d",inode,file,rc));
+ cFYI(1, ("Flush inode %p file %p rc %d", inode, file, rc));
return rc;
}
for (total_read = 0, current_offset = read_data;
read_size > total_read;
total_read += bytes_read, current_offset += bytes_read) {
- current_read_size = min_t(const int, read_size - total_read,
+ current_read_size = min_t(const int, read_size - total_read,
cifs_sb->rsize);
rc = -EAGAIN;
smb_read_data = NULL;
while (rc == -EAGAIN) {
int buf_type = CIFS_NO_BUFFER;
- if ((open_file->invalidHandle) &&
+ if ((open_file->invalidHandle) &&
(!open_file->closePend)) {
rc = cifs_reopen_file(file, TRUE);
if (rc != 0)
rc = -EFAULT;
}
- if(buf_type == CIFS_SMALL_BUFFER)
+ if (buf_type == CIFS_SMALL_BUFFER)
cifs_small_buf_release(smb_read_data);
- else if(buf_type == CIFS_LARGE_BUFFER)
+ else if (buf_type == CIFS_LARGE_BUFFER)
cifs_buf_release(smb_read_data);
smb_read_data = NULL;
}
if ((file->f_flags & O_ACCMODE) == O_WRONLY)
cFYI(1, ("attempting read on write only file instance"));
- for (total_read = 0, current_offset = read_data;
+ for (total_read = 0, current_offset = read_data;
read_size > total_read;
total_read += bytes_read, current_offset += bytes_read) {
current_read_size = min_t(const int, read_size - total_read,
cifs_sb->rsize);
/* For windows me and 9x we do not want to request more
than it negotiated since it will refuse the read then */
- if((pTcon->ses) &&
+ if ((pTcon->ses) &&
!(pTcon->ses->capabilities & CAP_LARGE_FILES)) {
current_read_size = min_t(const int, current_read_size,
pTcon->ses->server->maxBuf - 128);
}
rc = -EAGAIN;
while (rc == -EAGAIN) {
- if ((open_file->invalidHandle) &&
+ if ((open_file->invalidHandle) &&
(!open_file->closePend)) {
rc = cifs_reopen_file(file, TRUE);
if (rc != 0)
}
-static void cifs_copy_cache_pages(struct address_space *mapping,
+static void cifs_copy_cache_pages(struct address_space *mapping,
struct list_head *pages, int bytes_read, char *data,
struct pagevec *plru_pvec)
{
continue;
}
- target = kmap_atomic(page,KM_USER0);
+ target = kmap_atomic(page, KM_USER0);
if (PAGE_CACHE_SIZE > bytes_read) {
memcpy(target, data, bytes_read);
/* zero the tail end of this partial page */
- memset(target + bytes_read, 0,
+ memset(target + bytes_read, 0,
PAGE_CACHE_SIZE - bytes_read);
bytes_read = 0;
} else {
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
int bytes_read = 0;
- unsigned int read_size,i;
+ unsigned int read_size, i;
char *smb_read_data = NULL;
struct smb_com_read_rsp *pSMBr;
struct pagevec lru_pvec;
pagevec_init(&lru_pvec, 0);
#ifdef CONFIG_CIFS_DEBUG2
- cFYI(1,("rpages: num pages %d", num_pages));
-#endif
+ cFYI(1, ("rpages: num pages %d", num_pages));
+#endif
for (i = 0; i < num_pages; ) {
unsigned contig_pages;
struct page *tmp_page;
/* count adjacent pages that we will read into */
contig_pages = 0;
- expected_index =
+ expected_index =
list_entry(page_list->prev, struct page, lru)->index;
- list_for_each_entry_reverse(tmp_page,page_list,lru) {
+ list_for_each_entry_reverse(tmp_page, page_list, lru) {
if (tmp_page->index == expected_index) {
contig_pages++;
expected_index++;
} else
- break;
+ break;
}
if (contig_pages + i > num_pages)
contig_pages = num_pages - i;
read_size = min_t(const unsigned int, read_size,
cifs_sb->rsize & PAGE_CACHE_MASK);
#ifdef CONFIG_CIFS_DEBUG2
- cFYI(1,("rpages: read size 0x%x contiguous pages %d",
+ cFYI(1, ("rpages: read size 0x%x contiguous pages %d",
read_size, contig_pages));
-#endif
+#endif
rc = -EAGAIN;
while (rc == -EAGAIN) {
- if ((open_file->invalidHandle) &&
+ if ((open_file->invalidHandle) &&
(!open_file->closePend)) {
rc = cifs_reopen_file(file, TRUE);
if (rc != 0)
&bytes_read, &smb_read_data,
&buf_type);
/* BB more RC checks ? */
- if (rc== -EAGAIN) {
+ if (rc == -EAGAIN) {
if (smb_read_data) {
- if(buf_type == CIFS_SMALL_BUFFER)
+ if (buf_type == CIFS_SMALL_BUFFER)
cifs_small_buf_release(smb_read_data);
- else if(buf_type == CIFS_LARGE_BUFFER)
+ else if (buf_type == CIFS_LARGE_BUFFER)
cifs_buf_release(smb_read_data);
smb_read_data = NULL;
}
if ((int)(bytes_read & PAGE_CACHE_MASK) != bytes_read) {
i++; /* account for partial page */
- /* server copy of file can have smaller size
+ /* server copy of file can have smaller size
than client */
- /* BB do we need to verify this common case ?
- this case is ok - if we are at server EOF
+ /* BB do we need to verify this common case ?
+ this case is ok - if we are at server EOF
we will hit it on next read */
/* break; */
cFYI(1, ("No bytes read (%d) at offset %lld . "
"Cleaning remaining pages from readahead list",
bytes_read, offset));
- /* BB turn off caching and do new lookup on
+ /* BB turn off caching and do new lookup on
file size at server? */
break;
}
if (smb_read_data) {
- if(buf_type == CIFS_SMALL_BUFFER)
+ if (buf_type == CIFS_SMALL_BUFFER)
cifs_small_buf_release(smb_read_data);
- else if(buf_type == CIFS_LARGE_BUFFER)
+ else if (buf_type == CIFS_LARGE_BUFFER)
cifs_buf_release(smb_read_data);
smb_read_data = NULL;
}
/* need to free smb_read_data buf before exit */
if (smb_read_data) {
- if(buf_type == CIFS_SMALL_BUFFER)
+ if (buf_type == CIFS_SMALL_BUFFER)
cifs_small_buf_release(smb_read_data);
- else if(buf_type == CIFS_LARGE_BUFFER)
+ else if (buf_type == CIFS_LARGE_BUFFER)
cifs_buf_release(smb_read_data);
smb_read_data = NULL;
- }
+ }
FreeXid(xid);
return rc;
page_cache_get(page);
read_data = kmap(page);
/* for reads over a certain size could initiate async read ahead */
-
+
rc = cifs_read(file, read_data, PAGE_CACHE_SIZE, poffset);
-
+
if (rc < 0)
goto io_error;
else
- cFYI(1, ("Bytes read %d",rc));
-
+ cFYI(1, ("Bytes read %d", rc));
+
file->f_path.dentry->d_inode->i_atime =
current_fs_time(file->f_path.dentry->d_inode->i_sb);
-
+
if (PAGE_CACHE_SIZE > rc)
memset(read_data + rc, 0, PAGE_CACHE_SIZE - rc);
flush_dcache_page(page);
SetPageUptodate(page);
rc = 0;
-
+
io_error:
- kunmap(page);
+ kunmap(page);
page_cache_release(page);
return rc;
}
return -EBADF;
}
- cFYI(1, ("readpage %p at offset %d 0x%x\n",
+ cFYI(1, ("readpage %p at offset %d 0x%x\n",
page, (int)offset, (int)offset));
rc = cifs_readpage_worker(file, page, &offset);
/* We do not want to update the file size from server for inodes
open for write - to avoid races with writepage extending
the file - in the future we could consider allowing
- refreshing the inode only on increases in the file size
+ refreshing the inode only on increases in the file size
but this is tricky to do without racing with writebehind
page caching in the current Linux kernel design */
int is_size_safe_to_change(struct cifsInodeInfo *cifsInode, __u64 end_of_file)
if (cifsInode)
open_file = find_writable_file(cifsInode);
- if(open_file) {
+ if (open_file) {
struct cifs_sb_info *cifs_sb;
/* there is not actually a write pending so let
cifs_sb = CIFS_SB(cifsInode->vfs_inode.i_sb);
if ( cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO ) {
- /* since no page cache to corrupt on directio
+ /* since no page cache to corrupt on directio
we can change size safely */
return 1;
}
- if(i_size_read(&cifsInode->vfs_inode) < end_of_file)
+ if (i_size_read(&cifsInode->vfs_inode) < end_of_file)
return 1;
return 0;
loff_t i_size;
loff_t offset;
- cFYI(1, ("prepare write for page %p from %d to %d",page,from,to));
+ cFYI(1, ("prepare write for page %p from %d to %d", page, from, to));
if (PageUptodate(page))
return 0;
this will be written out by commit_write so is fine */
}
- /* we do not need to pass errors back
- e.g. if we do not have read access to the file
+ /* we do not need to pass errors back
+ e.g. if we do not have read access to the file
because cifs_commit_write will do the right thing. -- shaggy */
return 0;
if (tmp_path == NULL) {
return -ENOMEM;
}
- /* have to skip first of the double backslash of
+ /* have to skip first of the double backslash of
UNC name */
strncpy(tmp_path, pTcon->treeName, MAX_TREE_SIZE);
strncat(tmp_path, search_path, MAX_PATHCONF);
rc = connect_to_dfs_path(xid, pTcon->ses,
/* treename + */ tmp_path,
- cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
kfree(tmp_path);
/* get new inode */
if (*pinode == NULL) {
*pinode = new_inode(sb);
- if (*pinode == NULL)
+ if (*pinode == NULL)
return -ENOMEM;
/* Is an i_ino of zero legal? */
/* Are there sanity checks we can use to ensure that
cifsInfo->time = jiffies;
cFYI(1, ("New time %ld", cifsInfo->time));
/* this is ok to set on every inode revalidate */
- atomic_set(&cifsInfo->inUse,1);
+ atomic_set(&cifsInfo->inUse, 1);
inode->i_atime =
cifs_NTtimeToUnix(le64_to_cpu(findData.LastAccessTime));
cifs_NTtimeToUnix(le64_to_cpu(findData.LastStatusChange));
inode->i_mode = le64_to_cpu(findData.Permissions);
/* since we set the inode type below we need to mask off
- to avoid strange results if bits set above */
- inode->i_mode &= ~S_IFMT;
+ to avoid strange results if bits set above */
+ inode->i_mode &= ~S_IFMT;
if (type == UNIX_FILE) {
inode->i_mode |= S_IFREG;
} else if (type == UNIX_SYMLINK) {
} else {
/* safest to call it a file if we do not know */
inode->i_mode |= S_IFREG;
- cFYI(1,("unknown type %d",type));
+ cFYI(1, ("unknown type %d", type));
}
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID)
inode->i_op = &cifs_file_inode_ops;
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
- inode->i_fop =
+ inode->i_fop =
&cifs_file_direct_nobrl_ops;
else
inode->i_fop = &cifs_file_direct_ops;
} else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
inode->i_fop = &cifs_file_nobrl_ops;
- else /* not direct, send byte range locks */
+ else /* not direct, send byte range locks */
inode->i_fop = &cifs_file_ops;
/* check if server can support readpages */
- if (pTcon->ses->server->maxBuf <
+ if (pTcon->ses->server->maxBuf <
PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
else
return rc;
}
-static int decode_sfu_inode(struct inode * inode, __u64 size,
+static int decode_sfu_inode(struct inode *inode, __u64 size,
const unsigned char *path,
struct cifs_sb_info *cifs_sb, int xid)
{
struct cifsTconInfo *pTcon = cifs_sb->tcon;
char buf[24];
unsigned int bytes_read;
- char * pbuf;
+ char *pbuf;
pbuf = buf;
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- if (rc==0) {
+ if (rc == 0) {
int buf_type = CIFS_NO_BUFFER;
/* Read header */
rc = CIFSSMBRead(xid, pTcon,
- netfid,
+ netfid,
24 /* length */, 0 /* offset */,
&bytes_read, &pbuf, &buf_type);
if ((rc == 0) && (bytes_read >= 8)) {
if (memcmp("IntxBLK", pbuf, 8) == 0) {
- cFYI(1,("Block device"));
+ cFYI(1, ("Block device"));
inode->i_mode |= S_IFBLK;
if (bytes_read == 24) {
/* we have enough to decode dev num */
inode->i_rdev = MKDEV(mjr, mnr);
}
} else if (memcmp("IntxCHR", pbuf, 8) == 0) {
- cFYI(1,("Char device"));
+ cFYI(1, ("Char device"));
inode->i_mode |= S_IFCHR;
if (bytes_read == 24) {
/* we have enough to decode dev num */
mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
inode->i_rdev = MKDEV(mjr, mnr);
- }
+ }
} else if (memcmp("IntxLNK", pbuf, 7) == 0) {
- cFYI(1,("Symlink"));
+ cFYI(1, ("Symlink"));
inode->i_mode |= S_IFLNK;
} else {
inode->i_mode |= S_IFREG; /* file? */
- rc = -EOPNOTSUPP;
+ rc = -EOPNOTSUPP;
}
} else {
inode->i_mode |= S_IFREG; /* then it is a file */
- rc = -EOPNOTSUPP; /* or some unknown SFU type */
- }
+ rc = -EOPNOTSUPP; /* or some unknown SFU type */
+ }
CIFSSMBClose(xid, pTcon, netfid);
}
return rc;
#define SFBITS_MASK (S_ISVTX | S_ISGID | S_ISUID) /* SETFILEBITS valid bits */
-static int get_sfu_uid_mode(struct inode * inode,
+static int get_sfu_uid_mode(struct inode *inode,
const unsigned char *path,
struct cifs_sb_info *cifs_sb, int xid)
{
rc = CIFSSMBQueryEA(xid, cifs_sb->tcon, path, "SETFILEBITS",
ea_value, 4 /* size of buf */, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc < 0)
return (int)rc;
else if (rc > 3) {
mode = le32_to_cpu(*((__le32 *)ea_value));
- inode->i_mode &= ~SFBITS_MASK;
- cFYI(1,("special bits 0%o org mode 0%o", mode, inode->i_mode));
+ inode->i_mode &= ~SFBITS_MASK;
+ cFYI(1, ("special bits 0%o org mode 0%o", mode, inode->i_mode));
inode->i_mode = (mode & SFBITS_MASK) | inode->i_mode;
- cFYI(1,("special mode bits 0%o", mode));
+ cFYI(1, ("special mode bits 0%o", mode));
return 0;
} else {
return 0;
int adjustTZ = FALSE;
pTcon = cifs_sb->tcon;
- cFYI(1,("Getting info on %s", search_path));
+ cFYI(1, ("Getting info on %s", search_path));
if ((pfindData == NULL) && (*pinode != NULL)) {
if (CIFS_I(*pinode)->clientCanCacheRead) {
- cFYI(1,("No need to revalidate cached inode sizes"));
+ cFYI(1, ("No need to revalidate cached inode sizes"));
return rc;
}
}
failed at least once - set flag in tcon or mount */
if ((rc == -EOPNOTSUPP) || (rc == -EINVAL)) {
rc = SMBQueryInformation(xid, pTcon, search_path,
- pfindData, cifs_sb->local_nls,
+ pfindData, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
adjustTZ = TRUE;
strncat(tmp_path, search_path, MAX_PATHCONF);
rc = connect_to_dfs_path(xid, pTcon->ses,
/* treename + */ tmp_path,
- cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
kfree(tmp_path);
/* BB fix up inode etc. */
there Windows server or network appliances for which
IndexNumber field is not guaranteed unique? */
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM){
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) {
int rc1 = 0;
__u64 inode_num;
- rc1 = CIFSGetSrvInodeNumber(xid, pTcon,
- search_path, &inode_num,
+ rc1 = CIFSGetSrvInodeNumber(xid, pTcon,
+ search_path, &inode_num,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc1) {
- cFYI(1,("GetSrvInodeNum rc %d", rc1));
+ cFYI(1, ("GetSrvInodeNum rc %d", rc1));
/* BB EOPNOSUPP disable SERVER_INUM? */
} else /* do we need cast or hash to ino? */
(*pinode)->i_ino = inode_num;
cFYI(0, ("Attributes came in as 0x%x", attr));
if (adjustTZ && (pTcon->ses) && (pTcon->ses->server)) {
inode->i_ctime.tv_sec += pTcon->ses->server->timeAdj;
- inode->i_mtime.tv_sec += pTcon->ses->server->timeAdj;
+ inode->i_mtime.tv_sec += pTcon->ses->server->timeAdj;
}
/* set default mode. will override for dirs below */
/* new inode, can safely set these fields */
inode->i_mode = cifs_sb->mnt_file_mode;
else /* since we set the inode type below we need to mask off
- to avoid strange results if type changes and both get orred in */
- inode->i_mode &= ~S_IFMT;
+ to avoid strange results if type changes and both
+ get orred in */
+ inode->i_mode &= ~S_IFMT;
/* if (attr & ATTR_REPARSE) */
/* We no longer handle these as symlinks because we could not
follow them due to the absolute path with drive letter */
/* BB Finish for SFU style symlinks and devices */
} else if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) &&
(cifsInfo->cifsAttrs & ATTR_SYSTEM)) {
- if (decode_sfu_inode(inode,
+ if (decode_sfu_inode(inode,
le64_to_cpu(pfindData->EndOfFile),
search_path,
cifs_sb, xid)) {
- cFYI(1,("Unrecognized sfu inode type"));
+ cFYI(1, ("Unrecognized sfu inode type"));
}
- cFYI(1,("sfu mode 0%o",inode->i_mode));
+ cFYI(1, ("sfu mode 0%o", inode->i_mode));
} else {
inode->i_mode |= S_IFREG;
/* treat the dos attribute of read-only as read-only
if (is_size_safe_to_change(cifsInfo, le64_to_cpu(pfindData->EndOfFile))) {
/* can not safely shrink the file size here if the
client is writing to it due to potential races */
- i_size_write(inode,le64_to_cpu(pfindData->EndOfFile));
+ i_size_write(inode, le64_to_cpu(pfindData->EndOfFile));
/* 512 bytes (2**9) is the fake blocksize that must be
used for this calculation */
inode->i_nlink = le32_to_cpu(pfindData->NumberOfLinks);
- /* BB fill in uid and gid here? with help from winbind?
+ /* BB fill in uid and gid here? with help from winbind?
or retrieve from NTFS stream extended attribute */
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
/* fill in uid, gid, mode from server ACL */
inode->i_gid = cifs_sb->mnt_gid;
/* set so we do not keep refreshing these fields with
bad data after user has changed them in memory */
- atomic_set(&cifsInfo->inUse,1);
+ atomic_set(&cifsInfo->inUse, 1);
}
if (S_ISREG(inode->i_mode)) {
else /* not direct, send byte range locks */
inode->i_fop = &cifs_file_ops;
- if (pTcon->ses->server->maxBuf <
+ if (pTcon->ses->server->maxBuf <
PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
else
cifs_sb = CIFS_SB(inode->i_sb);
xid = GetXid();
if (cifs_sb->tcon->ses->capabilities & CAP_UNIX)
- cifs_get_inode_info_unix(&inode, "", inode->i_sb,xid);
+ cifs_get_inode_info_unix(&inode, "", inode->i_sb, xid);
else
- cifs_get_inode_info(&inode, "", NULL, inode->i_sb,xid);
+ cifs_get_inode_info(&inode, "", NULL, inode->i_sb, xid);
/* can not call macro FreeXid here since in a void func */
_FreeXid(xid);
}
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, DELETE,
CREATE_NOT_DIR | CREATE_DELETE_ON_CLOSE,
&netfid, &oplock, NULL, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- if (rc==0) {
+ if (rc == 0) {
CIFSSMBRenameOpenFile(xid, pTcon, netfid, NULL,
- cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
CIFSSMBClose(xid, pTcon, netfid);
if (direntry->d_inode)
rc = CIFSSMBSetTimes(xid, pTcon, full_path,
pinfo_buf,
cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
else
rc = -EOPNOTSUPP;
/* rc = CIFSSMBSetAttrLegacy(xid, pTcon,
full_path,
(__u16)ATTR_NORMAL,
- cifs_sb->local_nls);
+ cifs_sb->local_nls);
For some strange reason it seems that NT4 eats the
old setattr call without actually setting the
attributes so on to the third attempted workaround
FILE_WRITE_ATTRIBUTES, 0,
&netfid, &oplock, NULL,
cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- if (rc==0) {
+ if (rc == 0) {
rc = CIFSSMBSetFileTimes(xid, pTcon,
pinfo_buf,
netfid);
}
kfree(pinfo_buf);
}
- if (rc==0) {
- rc = CIFSSMBDelFile(xid, pTcon, full_path,
- cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ if (rc == 0) {
+ rc = CIFSSMBDelFile(xid, pTcon, full_path,
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (!rc) {
if (direntry->d_inode)
CREATE_NOT_DIR |
CREATE_DELETE_ON_CLOSE,
&netfid, &oplock, NULL,
- cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- if (rc==0) {
+ if (rc == 0) {
CIFSSMBRenameOpenFile(xid, pTcon,
netfid, NULL,
cifs_sb->local_nls,
tmp_inode->i_mode = le64_to_cpu(pData->Permissions);
/* since we set the inode type below we need to mask off type
- to avoid strange results if bits above were corrupt */
- tmp_inode->i_mode &= ~S_IFMT;
+ to avoid strange results if bits above were corrupt */
+ tmp_inode->i_mode &= ~S_IFMT;
if (type == UNIX_FILE) {
*pobject_type = DT_REG;
tmp_inode->i_mode |= S_IFREG;
/* safest to just call it a file */
*pobject_type = DT_REG;
tmp_inode->i_mode |= S_IFREG;
- cFYI(1,("unknown inode type %d",type));
+ cFYI(1, ("unknown inode type %d", type));
}
#ifdef CONFIG_CIFS_DEBUG2
- cFYI(1,("object type: %d", type));
+ cFYI(1, ("object type: %d", type));
#endif
tmp_inode->i_uid = le64_to_cpu(pData->Uid);
tmp_inode->i_gid = le64_to_cpu(pData->Gid);
spin_lock(&tmp_inode->i_lock);
if (is_size_safe_to_change(cifsInfo, end_of_file)) {
- /* can not safely change the file size here if the
+ /* can not safely change the file size here if the
client is writing to it due to potential races */
i_size_write(tmp_inode, end_of_file);
cFYI(1, ("File inode"));
tmp_inode->i_op = &cifs_file_inode_ops;
- if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
- if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
tmp_inode->i_fop = &cifs_file_direct_nobrl_ops;
else
tmp_inode->i_fop = &cifs_file_direct_ops;
- } else if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
+ } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
tmp_inode->i_fop = &cifs_file_nobrl_ops;
else
tmp_inode->i_fop = &cifs_file_ops;
- if((cifs_sb->tcon) && (cifs_sb->tcon->ses) &&
- (cifs_sb->tcon->ses->server->maxBuf <
+ if ((cifs_sb->tcon) && (cifs_sb->tcon->ses) &&
+ (cifs_sb->tcon->ses->server->maxBuf <
PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE))
tmp_inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
else
tmp_inode->i_data.a_ops = &cifs_addr_ops;
- if(isNewInode)
- return; /* No sense invalidating pages for new inode since we
- have not started caching readahead file data yet */
+ if (isNewInode)
+ return; /* No sense invalidating pages for new inode
+ since we we have not started caching
+ readahead file data yet */
if (timespec_equal(&tmp_inode->i_mtime, &local_mtime) &&
(local_size == tmp_inode->i_size)) {
tmp_inode->i_op = &cifs_symlink_inode_ops;
/* tmp_inode->i_fop = *//* do not need to set to anything */
} else {
- cFYI(1, ("Special inode"));
+ cFYI(1, ("Special inode"));
init_special_inode(tmp_inode, tmp_inode->i_mode,
tmp_inode->i_rdev);
- }
+ }
}
int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
return -ENOMEM;
}
- if((pTcon->ses->capabilities & CAP_UNIX) &&
- (CIFS_UNIX_POSIX_PATH_OPS_CAP &
+ if ((pTcon->ses->capabilities & CAP_UNIX) &&
+ (CIFS_UNIX_POSIX_PATH_OPS_CAP &
le64_to_cpu(pTcon->fsUnixInfo.Capability))) {
u32 oplock = 0;
- FILE_UNIX_BASIC_INFO * pInfo =
+ FILE_UNIX_BASIC_INFO * pInfo =
kzalloc(sizeof(FILE_UNIX_BASIC_INFO), GFP_KERNEL);
- if(pInfo == NULL) {
+ if (pInfo == NULL) {
rc = -ENOMEM;
goto mkdir_out;
}
rc = CIFSPOSIXCreate(xid, pTcon, SMB_O_DIRECTORY | SMB_O_CREAT,
mode, NULL /* netfid */, pInfo, &oplock,
- full_path, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ full_path, cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc) {
cFYI(1, ("posix mkdir returned 0x%x", rc));
} else {
int obj_type;
if (pInfo->Type == -1) /* no return info - go query */
- goto mkdir_get_info;
-/*BB check (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID ) to see if need to set uid/gid */
+ goto mkdir_get_info;
+/*BB check (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID ) to see if need
+ to set uid/gid */
inc_nlink(inode);
if (pTcon->nocase)
direntry->d_op = &cifs_ci_dentry_ops;
newinode->i_ino =
(unsigned long)pInfo->UniqueId;
} /* note ino incremented to unique num in new_inode */
- if(inode->i_sb->s_flags & MS_NOATIME)
+ if (inode->i_sb->s_flags & MS_NOATIME)
newinode->i_flags |= S_NOATIME | S_NOCMTIME;
newinode->i_nlink = 2;
posix_fill_in_inode(direntry->d_inode,
pInfo, &obj_type, 1 /* NewInode */);
#ifdef CONFIG_CIFS_DEBUG2
- cFYI(1,("instantiated dentry %p %s to inode %p",
+ cFYI(1, ("instantiated dentry %p %s to inode %p",
direntry, direntry->d_name.name, newinode));
- if(newinode->i_nlink != 2)
- cFYI(1,("unexpected number of links %d",
+ if (newinode->i_nlink != 2)
+ cFYI(1, ("unexpected number of links %d",
newinode->i_nlink));
#endif
}
kfree(pInfo);
goto mkdir_out;
- }
+ }
/* BB add setting the equivalent of mode via CreateX w/ACLs */
rc = CIFSSMBMkDir(xid, pTcon, full_path, cifs_sb->local_nls,
cFYI(1, ("cifs_mkdir returned 0x%x", rc));
d_drop(direntry);
} else {
-mkdir_get_info:
+mkdir_get_info:
inc_nlink(inode);
if (pTcon->ses->capabilities & CAP_UNIX)
rc = cifs_get_inode_info_unix(&newinode, full_path,
- inode->i_sb,xid);
+ inode->i_sb, xid);
else
rc = cifs_get_inode_info(&newinode, full_path, NULL,
- inode->i_sb,xid);
+ inode->i_sb, xid);
if (pTcon->nocase)
direntry->d_op = &cifs_ci_dentry_ops;
direntry->d_op = &cifs_dentry_ops;
d_instantiate(direntry, newinode);
/* setting nlink not necessary except in cases where we
- * failed to get it from the server or was set bogus */
+ * failed to get it from the server or was set bogus */
if ((direntry->d_inode) && (direntry->d_inode->i_nlink < 2))
- direntry->d_inode->i_nlink = 2;
+ direntry->d_inode->i_nlink = 2;
if (cifs_sb->tcon->ses->capabilities & CAP_UNIX) {
mode &= ~current->fs->umask;
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
mode, (__u64)-1,
(__u64)-1, 0 /* dev_t */,
cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
}
} else {
/* BB to be implemented via Windows secrty descriptors
eg CIFSSMBWinSetPerms(xid, pTcon, full_path, mode,
-1, -1, local_nls); */
- if(direntry->d_inode) {
+ if (direntry->d_inode) {
direntry->d_inode->i_mode = mode;
direntry->d_inode->i_mode |= S_IFDIR;
- if(cifs_sb->mnt_cifs_flags &
+ if (cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_SET_UID) {
- direntry->d_inode->i_uid =
+ direntry->d_inode->i_uid =
current->fsuid;
- direntry->d_inode->i_gid =
+ direntry->d_inode->i_gid =
current->fsgid;
}
}
}
}
-mkdir_out:
+mkdir_out:
kfree(full_path);
FreeXid(xid);
return rc;
if (!rc) {
drop_nlink(inode);
spin_lock(&direntry->d_inode->i_lock);
- i_size_write(direntry->d_inode,0);
+ i_size_write(direntry->d_inode, 0);
clear_nlink(direntry->d_inode);
spin_unlock(&direntry->d_inode->i_lock);
}
info_buf_target = info_buf_source + 1;
if (pTcon->ses->capabilities & CAP_UNIX)
rc = CIFSSMBUnixQPathInfo(xid, pTcon, fromName,
- info_buf_source,
+ info_buf_source,
cifs_sb_source->local_nls,
cifs_sb_source->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
might not right be right access to request */
rc = CIFSSMBOpen(xid, pTcon, fromName, FILE_OPEN, GENERIC_READ,
CREATE_NOT_DIR, &netfid, &oplock, NULL,
- cifs_sb_source->local_nls,
- cifs_sb_source->mnt_cifs_flags &
+ cifs_sb_source->local_nls,
+ cifs_sb_source->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- if (rc==0) {
+ if (rc == 0) {
rc = CIFSSMBRenameOpenFile(xid, pTcon, netfid, toName,
- cifs_sb_source->local_nls,
+ cifs_sb_source->local_nls,
cifs_sb_source->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
CIFSSMBClose(xid, pTcon, netfid);
if (cifs_sb->tcon->ses->capabilities & CAP_UNIX) {
rc = cifs_get_inode_info_unix(&direntry->d_inode, full_path,
- direntry->d_sb,xid);
+ direntry->d_sb, xid);
if (rc) {
cFYI(1, ("error on getting revalidate info %d", rc));
/* if (rc != -ENOENT)
}
} else {
rc = cifs_get_inode_info(&direntry->d_inode, full_path, NULL,
- direntry->d_sb,xid);
+ direntry->d_sb, xid);
if (rc) {
cFYI(1, ("error on getting revalidate info %d", rc));
/* if (rc != -ENOENT)
/* if not oplocked, we invalidate inode pages if mtime or file size
had changed on server */
- if (timespec_equal(&local_mtime,&direntry->d_inode->i_mtime) &&
+ if (timespec_equal(&local_mtime, &direntry->d_inode->i_mtime) &&
(local_size == direntry->d_inode->i_size)) {
cFYI(1, ("cifs_revalidate - inode unchanged"));
} else {
if (invalidate_inode) {
/* shrink_dcache not necessary now that cifs dentry ops
are exported for negative dentries */
-/* if(S_ISDIR(direntry->d_inode->i_mode))
+/* if (S_ISDIR(direntry->d_inode->i_mode))
shrink_dcache_parent(direntry); */
if (S_ISREG(direntry->d_inode->i_mode)) {
if (direntry->d_inode->i_mapping)
return rc;
}
-static int cifs_vmtruncate(struct inode * inode, loff_t offset)
+static int cifs_vmtruncate(struct inode *inode, loff_t offset)
{
struct address_space *mapping = inode->i_mapping;
unsigned long limit;
if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) == 0) {
/* check if we have permission to change attrs */
rc = inode_change_ok(direntry->d_inode, attrs);
- if(rc < 0) {
+ if (rc < 0) {
FreeXid(xid);
return rc;
} else
rc = CIFSSMBSetFileSize(xid, pTcon, attrs->ia_size,
nfid, npid, FALSE);
atomic_dec(&open_file->wrtPending);
- cFYI(1,("SetFSize for attrs rc = %d", rc));
- if((rc == -EINVAL) || (rc == -EOPNOTSUPP)) {
+ cFYI(1, ("SetFSize for attrs rc = %d", rc));
+ if ((rc == -EINVAL) || (rc == -EOPNOTSUPP)) {
int bytes_written;
rc = CIFSSMBWrite(xid, pTcon,
nfid, 0, attrs->ia_size,
&bytes_written, NULL, NULL,
1 /* 45 seconds */);
- cFYI(1,("Wrt seteof rc %d", rc));
+ cFYI(1, ("Wrt seteof rc %d", rc));
}
- } else
+ } else
rc = -EINVAL;
if (rc != 0) {
it by handle */
rc = CIFSSMBSetEOF(xid, pTcon, full_path,
attrs->ia_size, FALSE,
- cifs_sb->local_nls,
+ cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
cFYI(1, ("SetEOF by path (setattrs) rc = %d", rc));
- if((rc == -EINVAL) || (rc == -EOPNOTSUPP)) {
+ if ((rc == -EINVAL) || (rc == -EOPNOTSUPP)) {
__u16 netfid;
int oplock = FALSE;
NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- if (rc==0) {
+ if (rc == 0) {
int bytes_written;
rc = CIFSSMBWrite(xid, pTcon,
netfid, 0,
attrs->ia_size,
&bytes_written, NULL,
NULL, 1 /* 45 sec */);
- cFYI(1,("wrt seteof rc %d",rc));
+ cFYI(1, ("wrt seteof rc %d", rc));
CIFSSMBClose(xid, pTcon, netfid);
}
rc = cifs_vmtruncate(direntry->d_inode, attrs->ia_size);
cifs_truncate_page(direntry->d_inode->i_mapping,
direntry->d_inode->i_size);
- } else
+ } else
goto cifs_setattr_exit;
}
if (attrs->ia_valid & ATTR_UID) {
&& (attrs->ia_valid & (ATTR_MODE | ATTR_GID | ATTR_UID)))
rc = CIFSSMBUnixSetPerms(xid, pTcon, full_path, mode, uid, gid,
0 /* dev_t */, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
else if (attrs->ia_valid & ATTR_MODE) {
rc = 0;
time_buf.Attributes = cpu_to_le32(cifsInode->cifsAttrs &
(~ATTR_READONLY));
/* Windows ignores set to zero */
- if(time_buf.Attributes == 0)
+ if (time_buf.Attributes == 0)
time_buf.Attributes |= cpu_to_le32(ATTR_NORMAL);
}
/* BB to be implemented -
NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- if (rc==0) {
+ if (rc == 0) {
rc = CIFSSMBSetFileTimes(xid, pTcon, &time_buf,
netfid);
CIFSSMBClose(xid, pTcon, netfid);
granularity */
/* rc = CIFSSMBSetTimesLegacy(xid, pTcon, full_path,
- &time_buf, cifs_sb->local_nls); */
+ &time_buf, cifs_sb->local_nls); */
}
}
/* Even if error on time set, no sense failing the call if
and this check ensures that we are not being called from
sys_utimes in which case we ought to fail the call back to
the user when the server rejects the call */
- if((rc) && (attrs->ia_valid &
+ if ((rc) && (attrs->ia_valid &
(ATTR_MODE | ATTR_GID | ATTR_UID | ATTR_SIZE)))
rc = 0;
}
*
* vfs operations that deal with io control
*
- * Copyright (C) International Business Machines Corp., 2005
+ * Copyright (C) International Business Machines Corp., 2005,2007
* Author(s): Steve French (sfrench@us.ibm.com)
*
* This library is free software; you can redistribute it and/or modify
#define CIFS_IOC_CHECKUMOUNT _IO(0xCF, 2)
-int cifs_ioctl (struct inode * inode, struct file * filep,
+int cifs_ioctl (struct inode *inode, struct file *filep,
unsigned int command, unsigned long arg)
{
int rc = -ENOTTY; /* strange error - but the precedent */
fromName = build_path_from_dentry(old_file);
toName = build_path_from_dentry(direntry);
- if((fromName == NULL) || (toName == NULL)) {
+ if ((fromName == NULL) || (toName == NULL)) {
rc = -ENOMEM;
goto cifs_hl_exit;
}
if (cifs_sb_target->tcon->ses->capabilities & CAP_UNIX)
rc = CIFSUnixCreateHardLink(xid, pTcon, fromName, toName,
- cifs_sb_target->local_nls,
+ cifs_sb_target->local_nls,
cifs_sb_target->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
else {
rc = CIFSCreateHardLink(xid, pTcon, fromName, toName,
- cifs_sb_target->local_nls,
+ cifs_sb_target->local_nls,
cifs_sb_target->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- if((rc == -EIO) || (rc == -EINVAL))
- rc = -EOPNOTSUPP;
+ if ((rc == -EIO) || (rc == -EINVAL))
+ rc = -EOPNOTSUPP;
}
d_drop(direntry); /* force new lookup from server of target */
/* if source file is cached (oplocked) revalidate will not go to server
until the file is closed or oplock broken so update nlinks locally */
- if(old_file->d_inode) {
+ if (old_file->d_inode) {
cifsInode = CIFS_I(old_file->d_inode);
- if(rc == 0) {
+ if (rc == 0) {
old_file->d_inode->i_nlink++;
/* BB should we make this contingent on superblock flag NOATIME? */
/* old_file->d_inode->i_ctime = CURRENT_TIME;*/
to set the parent dir cifs inode time to zero
to force revalidate (faster) for it too? */
}
- /* if not oplocked will force revalidate to get info
+ /* if not oplocked will force revalidate to get info
on source file from srv */
cifsInode->time = 0;
- /* Will update parent dir timestamps from srv within a second.
+ /* Will update parent dir timestamps from srv within a second.
Would it really be worth it to set the parent dir (cifs
inode) time field to zero to force revalidate on parent
- directory faster ie
+ directory faster ie
CIFS_I(inode)->time = 0; */
}
int rc = -EACCES;
int xid;
char *full_path = NULL;
- char * target_path = ERR_PTR(-ENOMEM);
+ char *target_path = ERR_PTR(-ENOMEM);
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
goto out;
}
-/* BB add read reparse point symlink code and Unix extensions symlink code here BB */
+ /* BB add read reparse point symlink code and Unix extensions
+ symlink code here BB */
if (pTcon->ses->capabilities & CAP_UNIX)
rc = CIFSSMBUnixQuerySymLink(xid, pTcon, full_path,
target_path,
full_path = build_path_from_dentry(direntry);
- if(full_path == NULL) {
+ if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
rc = CIFSUnixCreateSymLink(xid, pTcon, full_path, symname,
cifs_sb->local_nls);
/* else
- rc = CIFSCreateReparseSymLink(xid, pTcon, fromName, toName,cifs_sb_target->local_nls); */
+ rc = CIFSCreateReparseSymLink(xid, pTcon, fromName, toName,
+ cifs_sb_target->local_nls); */
if (rc == 0) {
if (pTcon->ses->capabilities & CAP_UNIX)
rc = cifs_get_inode_info_unix(&newinode, full_path,
- inode->i_sb,xid);
+ inode->i_sb, xid);
else
rc = cifs_get_inode_info(&newinode, full_path, NULL,
- inode->i_sb,xid);
+ inode->i_sb, xid);
if (rc != 0) {
cFYI(1, ("Create symlink ok, getinodeinfo fail rc = %d",
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
- char *tmp_path = NULL;
- char * tmpbuffer;
- unsigned char * referrals = NULL;
+ char *tmp_path = NULL;
+ char *tmpbuffer;
+ unsigned char *referrals = NULL;
int num_referrals = 0;
int len;
__u16 fid;
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
-/* BB would it be safe against deadlock to grab this sem
+/* BB would it be safe against deadlock to grab this sem
even though rename itself grabs the sem and calls lookup? */
/* mutex_lock(&inode->i_sb->s_vfs_rename_mutex);*/
full_path = build_path_from_dentry(direntry);
/* mutex_unlock(&inode->i_sb->s_vfs_rename_mutex);*/
- if(full_path == NULL) {
+ if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
cFYI(1,
("Full path: %s inode = 0x%p pBuffer = 0x%p buflen = %d",
full_path, inode, pBuffer, buflen));
- if(buflen > PATH_MAX)
+ if (buflen > PATH_MAX)
len = PATH_MAX;
else
len = buflen;
- tmpbuffer = kmalloc(len,GFP_KERNEL);
- if(tmpbuffer == NULL) {
+ tmpbuffer = kmalloc(len, GFP_KERNEL);
+ if (tmpbuffer == NULL) {
kfree(full_path);
FreeXid(xid);
return -ENOMEM;
}
-/* BB add read reparse point symlink code and Unix extensions symlink code here BB */
+/* BB add read reparse point symlink code and
+ Unix extensions symlink code here BB */
if (cifs_sb->tcon->ses->capabilities & CAP_UNIX)
rc = CIFSSMBUnixQuerySymLink(xid, pTcon, full_path,
tmpbuffer,
len - 1,
cifs_sb->local_nls);
else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
- cERROR(1,("SFU style symlinks not implemented yet"));
+ cERROR(1, ("SFU style symlinks not implemented yet"));
/* add open and read as in fs/cifs/inode.c */
} else {
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, GENERIC_READ,
- OPEN_REPARSE_POINT,&fid, &oplock, NULL,
- cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ OPEN_REPARSE_POINT, &fid, &oplock, NULL,
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- if(!rc) {
+ if (!rc) {
rc = CIFSSMBQueryReparseLinkInfo(xid, pTcon, full_path,
tmpbuffer,
- len - 1,
+ len - 1,
fid,
cifs_sb->local_nls);
- if(CIFSSMBClose(xid, pTcon, fid)) {
+ if (CIFSSMBClose(xid, pTcon, fid)) {
cFYI(1,("Error closing junction point (open for ioctl)"));
}
- if(rc == -EIO) {
+ if (rc == -EIO) {
/* Query if DFS Junction */
tmp_path =
kmalloc(MAX_TREE_SIZE + MAX_PATHCONF + 1,
GFP_KERNEL);
if (tmp_path) {
- strncpy(tmp_path, pTcon->treeName, MAX_TREE_SIZE);
- strncat(tmp_path, full_path, MAX_PATHCONF);
- rc = get_dfs_path(xid, pTcon->ses, tmp_path,
+ strncpy(tmp_path, pTcon->treeName,
+ MAX_TREE_SIZE);
+ strncat(tmp_path, full_path,
+ MAX_PATHCONF);
+ rc = get_dfs_path(xid, pTcon->ses,
+ tmp_path,
cifs_sb->local_nls,
&num_referrals, &referrals,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- cFYI(1,("Get DFS for %s rc = %d ",tmp_path, rc));
- if((num_referrals == 0) && (rc == 0))
+ cFYI(1, ("Get DFS for %s rc = %d ",
+ tmp_path, rc));
+ if ((num_referrals == 0) && (rc == 0))
rc = -EACCES;
else {
- cFYI(1,("num referral: %d",num_referrals));
- if(referrals) {
- cFYI(1,("referral string: %s",referrals));
- strncpy(tmpbuffer, referrals, len-1);
+ cFYI(1, ("num referral: %d",
+ num_referrals));
+ if (referrals) {
+ cFYI(1,("referral string: %s", referrals));
+ strncpy(tmpbuffer, referrals, len-1);
}
}
kfree(referrals);
kfree(tmp_path);
}
- /* BB add code like else decode referrals then memcpy to
- tmpbuffer and free referrals string array BB */
+ /* BB add code like else decode referrals
+ then memcpy to tmpbuffer and free referrals
+ string array BB */
}
}
}
-/*
+/*
Unix SMB/Netbios implementation.
Version 1.9.
a implementation of MD4 designed for use in the SMB authentication protocol
while (n > 64) {
copy64(M, in);
- mdfour64(M,&A,&B, &C, &D);
+ mdfour64(M, &A, &B, &C, &D);
in += 64;
n -= 64;
}
* will fill a supplied 16-byte array with the digest.
*/
-/* This code slightly modified to fit into Samba by
- abartlet@samba.org Jun 2001
- and to fit the cifs vfs by
+/* This code slightly modified to fit into Samba by
+ abartlet@samba.org Jun 2001
+ and to fit the cifs vfs by
Steve French sfrench@us.ibm.com */
#include <linux/string.h>
}
/*
- * Final wrapup - pad to 64-byte boundary with the bit pattern
+ * Final wrapup - pad to 64-byte boundary with the bit pattern
* 1 0* (64-bit count of bits processed, MSB-first)
*/
void
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/slab.h>
extern mempool_t *cifs_sm_req_poolp;
extern mempool_t *cifs_req_poolp;
-extern struct task_struct * oplockThread;
+extern struct task_struct *oplockThread;
-/* The xid serves as a useful identifier for each incoming vfs request,
- in a similar way to the mid which is useful to track each sent smb,
- and CurrentXid can also provide a running counter (although it
- will eventually wrap past zero) of the total vfs operations handled
+/* The xid serves as a useful identifier for each incoming vfs request,
+ in a similar way to the mid which is useful to track each sent smb,
+ and CurrentXid can also provide a running counter (although it
+ will eventually wrap past zero) of the total vfs operations handled
since the cifs fs was mounted */
unsigned int
if (GlobalTotalActiveXid > GlobalMaxActiveXid)
GlobalMaxActiveXid = GlobalTotalActiveXid; /* keep high water mark for number of simultaneous vfs ops in our filesystem */
if (GlobalTotalActiveXid > 65000)
- cFYI(1,("warning: more than 65000 requests active"));
+ cFYI(1, ("warning: more than 65000 requests active"));
xid = GlobalCurrentXid++;
spin_unlock(&GlobalMid_Lock);
return xid;
{
struct smb_hdr *ret_buf = NULL;
-/* We could use negotiated size instead of max_msgsize -
- but it may be more efficient to always alloc same size
- albeit slightly larger than necessary and maxbuffersize
+/* We could use negotiated size instead of max_msgsize -
+ but it may be more efficient to always alloc same size
+ albeit slightly larger than necessary and maxbuffersize
defaults to this and can not be bigger */
ret_buf =
(struct smb_hdr *) mempool_alloc(cifs_req_poolp, GFP_KERNEL | GFP_NOFS);
/* cFYI(1, ("Null buffer passed to cifs_buf_release"));*/
return;
}
- mempool_free(buf_to_free,cifs_req_poolp);
+ mempool_free(buf_to_free, cifs_req_poolp);
atomic_dec(&bufAllocCount);
return;
{
struct smb_hdr *ret_buf = NULL;
-/* We could use negotiated size instead of max_msgsize -
- but it may be more efficient to always alloc same size
- albeit slightly larger than necessary and maxbuffersize
+/* We could use negotiated size instead of max_msgsize -
+ but it may be more efficient to always alloc same size
+ albeit slightly larger than necessary and maxbuffersize
defaults to this and can not be bigger */
ret_buf =
(struct smb_hdr *) mempool_alloc(cifs_sm_req_poolp, GFP_KERNEL | GFP_NOFS);
cFYI(1, ("Null buffer passed to cifs_small_buf_release"));
return;
}
- mempool_free(buf_to_free,cifs_sm_req_poolp);
+ mempool_free(buf_to_free, cifs_sm_req_poolp);
atomic_dec(&smBufAllocCount);
return;
}
-/*
+/*
Find a free multiplex id (SMB mid). Otherwise there could be
mid collisions which might cause problems, demultiplexing the
wrong response to this request. Multiplex ids could collide if
one of a series requests takes much longer than the others, or
if a very large number of long lived requests (byte range
locks or FindNotify requests) are pending. No more than
- 64K-1 requests can be outstanding at one time. If no
+ 64K-1 requests can be outstanding at one time. If no
mids are available, return zero. A future optimization
could make the combination of mids and uid the key we use
- to demultiplex on (rather than mid alone).
+ to demultiplex on (rather than mid alone).
In addition to the above check, the cifs demultiplex
code already used the command code as a secondary
check of the frame and if signing is negotiated the
response would be discarded if the mid were the same
but the signature was wrong. Since the mid is not put in the
pending queue until later (when it is about to be dispatched)
- we do have to limit the number of outstanding requests
+ we do have to limit the number of outstanding requests
to somewhat less than 64K-1 although it is hard to imagine
so many threads being in the vfs at one time.
*/
{
__u16 mid = 0;
__u16 last_mid;
- int collision;
+ int collision;
if (server == NULL)
return mid;
last_mid = server->CurrentMid; /* we do not want to loop forever */
server->CurrentMid++;
/* This nested loop looks more expensive than it is.
- In practice the list of pending requests is short,
+ In practice the list of pending requests is short,
fewer than 50, and the mids are likely to be unique
on the first pass through the loop unless some request
takes longer than the 64 thousand requests before it
(and it would also have to have been a request that
did not time out) */
- while(server->CurrentMid != last_mid) {
+ while (server->CurrentMid != last_mid) {
struct list_head *tmp;
struct mid_q_entry *mid_entry;
const struct cifsTconInfo *treeCon, int word_count
/* length of fixed section (word count) in two byte units */)
{
- struct list_head* temp_item;
- struct cifsSesInfo * ses;
+ struct list_head *temp_item;
+ struct cifsSesInfo *ses;
char *temp = (char *) buffer;
- memset(temp,0,256); /* bigger than MAX_CIFS_HDR_SIZE */
+ memset(temp, 0, 256); /* bigger than MAX_CIFS_HDR_SIZE */
buffer->smb_buf_length =
(2 * word_count) + sizeof (struct smb_hdr) -
/* flag were disabled. */
/* BB Add support for establishing new tCon and SMB Session */
- /* with userid/password pairs found on the smb session */
+ /* with userid/password pairs found on the smb session */
/* for other target tcp/ip addresses BB */
if (current->fsuid != treeCon->ses->linux_uid) {
cFYI(1,("Multiuser mode and UID did not match tcon uid"));
ses = list_entry(temp_item, struct cifsSesInfo, cifsSessionList);
if (ses->linux_uid == current->fsuid) {
if (ses->server == treeCon->ses->server) {
- cFYI(1,("found matching uid substitute right smb_uid"));
+ cFYI(1, ("found matching uid substitute right smb_uid"));
buffer->Uid = ses->Suid;
break;
} else {
- /* BB eventually call cifs_setup_session here */
- cFYI(1,("local UID found but smb sess with this server does not exist"));
+ /* BB eventually call cifs_setup_session here */
+ cFYI(1, ("local UID found but no smb sess with this server exists"));
}
}
}
static int
checkSMBhdr(struct smb_hdr *smb, __u16 mid)
{
- /* Make sure that this really is an SMB, that it is a response,
+ /* Make sure that this really is an SMB, that it is a response,
and that the message ids match */
- if ((*(__le32 *) smb->Protocol == cpu_to_le32(0x424d53ff)) &&
- (mid == smb->Mid)) {
+ if ((*(__le32 *) smb->Protocol == cpu_to_le32(0x424d53ff)) &&
+ (mid == smb->Mid)) {
if (smb->Flags & SMBFLG_RESPONSE)
- return 0;
- else {
+ return 0;
+ else {
/* only one valid case where server sends us request */
if (smb->Command == SMB_COM_LOCKING_ANDX)
return 0;
else
- cERROR(1, ("Rcvd Request not response"));
+ cERROR(1, ("Received Request not response"));
}
} else { /* bad signature or mid */
if (*(__le32 *) smb->Protocol != cpu_to_le32(0x424d53ff))
smb->WordCount = 0;
/* some error cases do not return wct and bcc */
return 0;
- } else if ((length == sizeof(struct smb_hdr) + 1) &&
+ } else if ((length == sizeof(struct smb_hdr) + 1) &&
(smb->WordCount == 0)) {
- char * tmp = (char *)smb;
+ char *tmp = (char *)smb;
/* Need to work around a bug in two servers here */
/* First, check if the part of bcc they sent was zero */
if (tmp[sizeof(struct smb_hdr)] == 0) {
tmp[sizeof(struct smb_hdr)+1] = 0;
return 0;
}
- cERROR(1,("rcvd invalid byte count (bcc)"));
+ cERROR(1, ("rcvd invalid byte count (bcc)"));
} else {
cERROR(1, ("Length less than smb header size"));
}
if ((len > 64 * 1024) && (len > clc_len)) {
/* check if lengths match mod 64K */
if (((4 + len) & 0xFFFF) == (clc_len & 0xFFFF))
- return 0; /* bcc wrapped */
+ return 0; /* bcc wrapped */
}
cFYI(1, ("Calculated size %d vs length %d mismatch for mid %d",
clc_len, 4 + len, smb->Mid));
/* Windows XP can return a few bytes too much, presumably
- an illegal pad, at the end of byte range lock responses
+ an illegal pad, at the end of byte range lock responses
so we allow for that three byte pad, as long as actual
received length is as long or longer than calculated length */
- /* We have now had to extend this more, since there is a
+ /* We have now had to extend this more, since there is a
case in which it needs to be bigger still to handle a
malformed response to transact2 findfirst from WinXP when
access denied is returned and thus bcc and wct are zero
}
int
is_valid_oplock_break(struct smb_hdr *buf, struct TCP_Server_Info *srv)
-{
- struct smb_com_lock_req * pSMB = (struct smb_com_lock_req *)buf;
+{
+ struct smb_com_lock_req *pSMB = (struct smb_com_lock_req *)buf;
struct list_head *tmp;
struct list_head *tmp1;
struct cifsTconInfo *tcon;
struct cifsFileInfo *netfile;
- cFYI(1,("Checking for oplock break or dnotify response"));
+ cFYI(1, ("Checking for oplock break or dnotify response"));
if ((pSMB->hdr.Command == SMB_COM_NT_TRANSACT) &&
(pSMB->hdr.Flags & SMBFLG_RESPONSE)) {
- struct smb_com_transaction_change_notify_rsp * pSMBr =
+ struct smb_com_transaction_change_notify_rsp *pSMBr =
(struct smb_com_transaction_change_notify_rsp *)buf;
- struct file_notify_information * pnotify;
+ struct file_notify_information *pnotify;
__u32 data_offset = 0;
if (pSMBr->ByteCount > sizeof(struct file_notify_information)) {
data_offset = le32_to_cpu(pSMBr->DataOffset);
pnotify = (struct file_notify_information *)
((char *)&pSMBr->hdr.Protocol + data_offset);
- cFYI(1,("dnotify on %s Action: 0x%x",pnotify->FileName,
+ cFYI(1,("dnotify on %s Action: 0x%x", pnotify->FileName,
pnotify->Action)); /* BB removeme BB */
- /* cifs_dump_mem("Rcvd notify Data: ",buf,
+ /* cifs_dump_mem("Rcvd notify Data: ",buf,
sizeof(struct smb_hdr)+60); */
return TRUE;
}
if (pSMBr->hdr.Status.CifsError) {
- cFYI(1,("notify err 0x%d",pSMBr->hdr.Status.CifsError));
+ cFYI(1, ("notify err 0x%d",
+ pSMBr->hdr.Status.CifsError));
return TRUE;
}
return FALSE;
- }
+ }
if (pSMB->hdr.Command != SMB_COM_LOCKING_ANDX)
return FALSE;
if (pSMB->hdr.Flags & SMBFLG_RESPONSE) {
break - harmless race between close request and oplock
break response is expected from time to time writing out
large dirty files cached on the client */
- if ((NT_STATUS_INVALID_HANDLE) ==
- le32_to_cpu(pSMB->hdr.Status.CifsError)) {
- cFYI(1,("invalid handle on oplock break"));
+ if ((NT_STATUS_INVALID_HANDLE) ==
+ le32_to_cpu(pSMB->hdr.Status.CifsError)) {
+ cFYI(1, ("invalid handle on oplock break"));
return TRUE;
- } else if (ERRbadfid ==
+ } else if (ERRbadfid ==
le16_to_cpu(pSMB->hdr.Status.DosError.Error)) {
- return TRUE;
+ return TRUE;
} else {
return FALSE; /* on valid oplock brk we get "request" */
}
if (pSMB->hdr.WordCount != 8)
return FALSE;
- cFYI(1,(" oplock type 0x%d level 0x%d",pSMB->LockType,pSMB->OplockLevel));
+ cFYI(1, ("oplock type 0x%d level 0x%d",
+ pSMB->LockType, pSMB->OplockLevel));
if (!(pSMB->LockType & LOCKING_ANDX_OPLOCK_RELEASE))
- return FALSE;
+ return FALSE;
/* look up tcon based on tid & uid */
read_lock(&GlobalSMBSeslock);
tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList);
if ((tcon->tid == buf->Tid) && (srv == tcon->ses->server)) {
cifs_stats_inc(&tcon->num_oplock_brks);
- list_for_each(tmp1,&tcon->openFileList){
- netfile = list_entry(tmp1,struct cifsFileInfo,
+ list_for_each(tmp1, &tcon->openFileList) {
+ netfile = list_entry(tmp1, struct cifsFileInfo,
tlist);
if (pSMB->Fid == netfile->netfid) {
struct cifsInodeInfo *pCifsInode;
read_unlock(&GlobalSMBSeslock);
cFYI(1,("file id match, oplock break"));
- pCifsInode =
+ pCifsInode =
CIFS_I(netfile->pInode);
pCifsInode->clientCanCacheAll = FALSE;
if (pSMB->OplockLevel == 0)
}
}
read_unlock(&GlobalSMBSeslock);
- cFYI(1,("No matching file for oplock break"));
+ cFYI(1, ("No matching file for oplock break"));
return TRUE;
}
}
read_unlock(&GlobalSMBSeslock);
- cFYI(1,("Can not process oplock break for non-existent connection"));
+ cFYI(1, ("Can not process oplock break for non-existent connection"));
return TRUE;
}
only legal in POSIX-like OS (if they are present in the string). Path
names are little endian 16 bit Unicode on the wire */
int
-cifs_convertUCSpath(char *target, const __le16 * source, int maxlen,
- const struct nls_table * cp)
+cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
+ const struct nls_table *cp)
{
- int i,j,len;
+ int i, j, len;
__u16 src_char;
- for(i = 0, j = 0; i < maxlen; i++) {
+ for (i = 0, j = 0; i < maxlen; i++) {
src_char = le16_to_cpu(source[i]);
switch (src_char) {
case 0:
case UNI_LESSTHAN:
target[j] = '<';
break;
- default:
- len = cp->uni2char(src_char, &target[j],
+ default:
+ len = cp->uni2char(src_char, &target[j],
NLS_MAX_CHARSET_SIZE);
if (len > 0) {
j += len;
only legal in POSIX-like OS (if they are present in the string). Path
names are little endian 16 bit Unicode on the wire */
int
-cifsConvertToUCS(__le16 * target, const char *source, int maxlen,
- const struct nls_table * cp, int mapChars)
+cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
+ const struct nls_table *cp, int mapChars)
{
- int i,j,charlen;
+ int i, j, charlen;
int len_remaining = maxlen;
char src_char;
__u16 temp;
if (!mapChars)
return cifs_strtoUCS(target, source, PATH_MAX, cp);
- for(i = 0, j = 0; i < maxlen; j++) {
+ for (i = 0, j = 0; i < maxlen; j++) {
src_char = source[i];
switch (src_char) {
case 0:
break;
case '|':
target[j] = cpu_to_le16(UNI_PIPE);
- break;
+ break;
/* BB We can not handle remapping slash until
all the calls to build_path_from_dentry
are modified, as they use slash as separator BB */
/* character may take more than one byte in the
the source string, but will take exactly two
bytes in the target string */
- i+= charlen;
+ i += charlen;
continue;
}
i++; /* move to next char in source string */
ret = in6_pton(cp, -1 /* len */, dst , '\\', NULL);
}
#ifdef CONFIG_CIFS_DEBUG2
- cFYI(1,("address conversion returned %d for %s", ret, cp));
+ cFYI(1, ("address conversion returned %d for %s", ret, cp));
#endif
if (ret > 0)
ret = 1;
projects / linux-2.6 / commitdiff