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@@ -1,10 +1,10 @@
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/*
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* fs/cifs/transport.c
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*
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- * Copyright (C) International Business Machines Corp., 2002,2005
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+ * Copyright (C) International Business Machines Corp., 2002,2007
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* Author(s): Steve French (sfrench@us.ibm.com)
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* Jeremy Allison (jra@samba.org) 2006.
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- *
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+ *
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2.1 of the License, or
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@@ -17,7 +17,7 @@
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/fs.h>
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@@ -86,7 +86,7 @@ DeleteMidQEntry(struct mid_q_entry *midEntry)
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list_del(&midEntry->qhead);
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atomic_dec(&midCount);
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spin_unlock(&GlobalMid_Lock);
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- if(midEntry->largeBuf)
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+ if (midEntry->largeBuf)
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cifs_buf_release(midEntry->resp_buf);
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else
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cifs_small_buf_release(midEntry->resp_buf);
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@@ -94,8 +94,8 @@ DeleteMidQEntry(struct mid_q_entry *midEntry)
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now = jiffies;
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/* commands taking longer than one second are indications that
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something is wrong, unless it is quite a slow link or server */
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- if((now - midEntry->when_alloc) > HZ) {
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- if((cifsFYI & CIFS_TIMER) &&
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+ if ((now - midEntry->when_alloc) > HZ) {
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+ if ((cifsFYI & CIFS_TIMER) &&
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(midEntry->command != SMB_COM_LOCKING_ANDX)) {
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printk(KERN_DEBUG " CIFS slow rsp: cmd %d mid %d",
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midEntry->command, midEntry->mid);
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@@ -110,10 +110,10 @@ DeleteMidQEntry(struct mid_q_entry *midEntry)
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}
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struct oplock_q_entry *
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-AllocOplockQEntry(struct inode * pinode, __u16 fid, struct cifsTconInfo * tcon)
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+AllocOplockQEntry(struct inode *pinode, __u16 fid, struct cifsTconInfo *tcon)
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{
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struct oplock_q_entry *temp;
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- if ((pinode== NULL) || (tcon == NULL)) {
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+ if ((pinode == NULL) || (tcon == NULL)) {
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cERROR(1, ("Null parms passed to AllocOplockQEntry"));
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return NULL;
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}
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@@ -133,9 +133,9 @@ AllocOplockQEntry(struct inode * pinode, __u16 fid, struct cifsTconInfo * tcon)
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}
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-void DeleteOplockQEntry(struct oplock_q_entry * oplockEntry)
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+void DeleteOplockQEntry(struct oplock_q_entry *oplockEntry)
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{
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- spin_lock(&GlobalMid_Lock);
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+ spin_lock(&GlobalMid_Lock);
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/* should we check if list empty first? */
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list_del(&oplockEntry->qhead);
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spin_unlock(&GlobalMid_Lock);
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@@ -152,7 +152,7 @@ smb_send(struct socket *ssocket, struct smb_hdr *smb_buffer,
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struct kvec iov;
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unsigned len = smb_buf_length + 4;
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- if(ssocket == NULL)
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+ if (ssocket == NULL)
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return -ENOTSOCK; /* BB eventually add reconnect code here */
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iov.iov_base = smb_buffer;
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iov.iov_len = len;
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@@ -164,8 +164,8 @@ smb_send(struct socket *ssocket, struct smb_hdr *smb_buffer,
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smb_msg.msg_flags = MSG_DONTWAIT + MSG_NOSIGNAL; /* BB add more flags?*/
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/* smb header is converted in header_assemble. bcc and rest of SMB word
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- area, and byte area if necessary, is converted to littleendian in
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- cifssmb.c and RFC1001 len is converted to bigendian in smb_send
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+ area, and byte area if necessary, is converted to littleendian in
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+ cifssmb.c and RFC1001 len is converted to bigendian in smb_send
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Flags2 is converted in SendReceive */
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smb_buffer->smb_buf_length = cpu_to_be32(smb_buffer->smb_buf_length);
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@@ -177,9 +177,9 @@ smb_send(struct socket *ssocket, struct smb_hdr *smb_buffer,
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if ((rc == -ENOSPC) || (rc == -EAGAIN)) {
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i++;
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/* smaller timeout here than send2 since smaller size */
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- /* Although it may not be required, this also is smaller
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- oplock break time */
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- if(i > 12) {
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+ /* Although it may not be required, this also is smaller
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+ oplock break time */
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+ if (i > 12) {
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cERROR(1,
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("sends on sock %p stuck for 7 seconds",
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ssocket));
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@@ -189,7 +189,7 @@ smb_send(struct socket *ssocket, struct smb_hdr *smb_buffer,
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msleep(1 << i);
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continue;
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}
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- if (rc < 0)
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+ if (rc < 0)
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break;
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else
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i = 0; /* reset i after each successful send */
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@@ -199,7 +199,7 @@ smb_send(struct socket *ssocket, struct smb_hdr *smb_buffer,
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}
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if (rc < 0) {
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- cERROR(1,("Error %d sending data on socket to server", rc));
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+ cERROR(1, ("Error %d sending data on socket to server", rc));
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} else {
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rc = 0;
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}
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@@ -224,7 +224,7 @@ smb_send2(struct socket *ssocket, struct kvec *iov, int n_vec,
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int first_vec = 0;
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unsigned int smb_buf_length = smb_buffer->smb_buf_length;
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- if(ssocket == NULL)
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+ if (ssocket == NULL)
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return -ENOTSOCK; /* BB eventually add reconnect code here */
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smb_msg.msg_name = sin;
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@@ -234,8 +234,8 @@ smb_send2(struct socket *ssocket, struct kvec *iov, int n_vec,
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smb_msg.msg_flags = MSG_DONTWAIT + MSG_NOSIGNAL; /* BB add more flags?*/
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/* smb header is converted in header_assemble. bcc and rest of SMB word
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- area, and byte area if necessary, is converted to littleendian in
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- cifssmb.c and RFC1001 len is converted to bigendian in smb_send
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+ area, and byte area if necessary, is converted to littleendian in
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+ cifssmb.c and RFC1001 len is converted to bigendian in smb_send
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Flags2 is converted in SendReceive */
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@@ -252,7 +252,7 @@ smb_send2(struct socket *ssocket, struct kvec *iov, int n_vec,
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n_vec - first_vec, total_len);
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if ((rc == -ENOSPC) || (rc == -EAGAIN)) {
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i++;
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- if(i >= 14) {
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+ if (i >= 14) {
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cERROR(1,
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("sends on sock %p stuck for 15 seconds",
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ssocket));
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@@ -262,17 +262,17 @@ smb_send2(struct socket *ssocket, struct kvec *iov, int n_vec,
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msleep(1 << i);
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continue;
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}
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- if (rc < 0)
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+ if (rc < 0)
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break;
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if (rc >= total_len) {
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WARN_ON(rc > total_len);
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break;
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}
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- if(rc == 0) {
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+ if (rc == 0) {
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/* should never happen, letting socket clear before
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retrying is our only obvious option here */
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- cERROR(1,("tcp sent no data"));
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+ cERROR(1, ("tcp sent no data"));
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msleep(500);
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continue;
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}
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@@ -295,7 +295,7 @@ smb_send2(struct socket *ssocket, struct kvec *iov, int n_vec,
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}
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if (rc < 0) {
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- cERROR(1,("Error %d sending data on socket to server", rc));
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+ cERROR(1, ("Error %d sending data on socket to server", rc));
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} else
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rc = 0;
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@@ -308,13 +308,13 @@ smb_send2(struct socket *ssocket, struct kvec *iov, int n_vec,
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static int wait_for_free_request(struct cifsSesInfo *ses, const int long_op)
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{
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- if(long_op == -1) {
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+ if (long_op == -1) {
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/* oplock breaks must not be held up */
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atomic_inc(&ses->server->inFlight);
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} else {
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- spin_lock(&GlobalMid_Lock);
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- while(1) {
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- if(atomic_read(&ses->server->inFlight) >=
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+ spin_lock(&GlobalMid_Lock);
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+ while (1) {
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+ if (atomic_read(&ses->server->inFlight) >=
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cifs_max_pending){
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spin_unlock(&GlobalMid_Lock);
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#ifdef CONFIG_CIFS_STATS2
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@@ -328,13 +328,13 @@ static int wait_for_free_request(struct cifsSesInfo *ses, const int long_op)
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#endif
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spin_lock(&GlobalMid_Lock);
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} else {
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- if(ses->server->tcpStatus == CifsExiting) {
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+ if (ses->server->tcpStatus == CifsExiting) {
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spin_unlock(&GlobalMid_Lock);
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return -ENOENT;
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}
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- /* can not count locking commands against total since
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- they are allowed to block on server */
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+ /* can not count locking commands against total
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+ as they are allowed to block on server */
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/* update # of requests on the wire to server */
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if (long_op < 3)
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@@ -353,11 +353,11 @@ static int allocate_mid(struct cifsSesInfo *ses, struct smb_hdr *in_buf,
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if (ses->server->tcpStatus == CifsExiting) {
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return -ENOENT;
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} else if (ses->server->tcpStatus == CifsNeedReconnect) {
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- cFYI(1,("tcp session dead - return to caller to retry"));
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+ cFYI(1, ("tcp session dead - return to caller to retry"));
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return -EAGAIN;
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} else if (ses->status != CifsGood) {
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/* check if SMB session is bad because we are setting it up */
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- if((in_buf->Command != SMB_COM_SESSION_SETUP_ANDX) &&
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+ if ((in_buf->Command != SMB_COM_SESSION_SETUP_ANDX) &&
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(in_buf->Command != SMB_COM_NEGOTIATE)) {
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return -EAGAIN;
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} /* else ok - we are setting up session */
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@@ -369,7 +369,7 @@ static int allocate_mid(struct cifsSesInfo *ses, struct smb_hdr *in_buf,
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return 0;
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}
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-static int wait_for_response(struct cifsSesInfo *ses,
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+static int wait_for_response(struct cifsSesInfo *ses,
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struct mid_q_entry *midQ,
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unsigned long timeout,
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unsigned long time_to_wait)
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@@ -379,8 +379,8 @@ static int wait_for_response(struct cifsSesInfo *ses,
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for (;;) {
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curr_timeout = timeout + jiffies;
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wait_event(ses->server->response_q,
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- (!(midQ->midState == MID_REQUEST_SUBMITTED)) ||
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- time_after(jiffies, curr_timeout) ||
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+ (!(midQ->midState == MID_REQUEST_SUBMITTED)) ||
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+ time_after(jiffies, curr_timeout) ||
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((ses->server->tcpStatus != CifsGood) &&
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(ses->server->tcpStatus != CifsNew)));
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@@ -398,16 +398,16 @@ static int wait_for_response(struct cifsSesInfo *ses,
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spin_unlock(&GlobalMid_Lock);
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/* Calculate time_to_wait past last receive time.
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- Although we prefer not to time out if the
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+ Although we prefer not to time out if the
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server is still responding - we will time
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- out if the server takes more than 15 (or 45
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+ out if the server takes more than 15 (or 45
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or 180) seconds to respond to this request
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- and has not responded to any request from
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+ and has not responded to any request from
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other threads on the client within 10 seconds */
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lrt += time_to_wait;
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if (time_after(jiffies, lrt)) {
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/* No replies for time_to_wait. */
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- cERROR(1,("server not responding"));
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+ cERROR(1, ("server not responding"));
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return -1;
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}
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} else {
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@@ -417,8 +417,8 @@ static int wait_for_response(struct cifsSesInfo *ses,
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}
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int
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-SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
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- struct kvec *iov, int n_vec, int * pRespBufType /* ret */,
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+SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
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+ struct kvec *iov, int n_vec, int *pRespBufType /* ret */,
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const int long_op)
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{
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int rc = 0;
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@@ -431,16 +431,16 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
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if ((ses == NULL) || (ses->server == NULL)) {
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cifs_small_buf_release(in_buf);
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- cERROR(1,("Null session"));
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+ cERROR(1, ("Null session"));
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return -EIO;
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}
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- if(ses->server->tcpStatus == CifsExiting) {
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+ if (ses->server->tcpStatus == CifsExiting) {
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cifs_small_buf_release(in_buf);
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return -ENOENT;
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}
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- /* Ensure that we do not send more than 50 overlapping requests
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+ /* Ensure that we do not send more than 50 overlapping requests
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to the same server. We may make this configurable later or
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use ses->maxReq */
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@@ -450,23 +450,23 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
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return rc;
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}
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- /* make sure that we sign in the same order that we send on this socket
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+ /* make sure that we sign in the same order that we send on this socket
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and avoid races inside tcp sendmsg code that could cause corruption
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of smb data */
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- down(&ses->server->tcpSem);
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+ down(&ses->server->tcpSem);
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rc = allocate_mid(ses, in_buf, &midQ);
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if (rc) {
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up(&ses->server->tcpSem);
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cifs_small_buf_release(in_buf);
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/* Update # of requests on wire to server */
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- atomic_dec(&ses->server->inFlight);
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+ atomic_dec(&ses->server->inFlight);
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wake_up(&ses->server->request_q);
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return rc;
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}
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- rc = cifs_sign_smb2(iov, n_vec, ses->server, &midQ->sequence_number);
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+ rc = cifs_sign_smb2(iov, n_vec, ses->server, &midQ->sequence_number);
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midQ->midState = MID_REQUEST_SUBMITTED;
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#ifdef CONFIG_CIFS_STATS2
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@@ -482,7 +482,7 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
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up(&ses->server->tcpSem);
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cifs_small_buf_release(in_buf);
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- if(rc < 0)
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+ if (rc < 0)
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goto out;
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if (long_op == -1)
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@@ -490,18 +490,18 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
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else if (long_op == 2) /* writes past end of file can take loong time */
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timeout = 180 * HZ;
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else if (long_op == 1)
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- timeout = 45 * HZ; /* should be greater than
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+ timeout = 45 * HZ; /* should be greater than
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servers oplock break timeout (about 43 seconds) */
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else
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timeout = 15 * HZ;
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- /* wait for 15 seconds or until woken up due to response arriving or
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+ /* wait for 15 seconds or until woken up due to response arriving or
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due to last connection to this server being unmounted */
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if (signal_pending(current)) {
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/* if signal pending do not hold up user for full smb timeout
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but we still give response a chance to complete */
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timeout = 2 * HZ;
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- }
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+ }
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/* No user interrupts in wait - wreaks havoc with performance */
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wait_for_response(ses, midQ, timeout, 10 * HZ);
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@@ -511,10 +511,10 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
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spin_unlock(&GlobalMid_Lock);
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receive_len = midQ->resp_buf->smb_buf_length;
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} else {
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- cERROR(1,("No response to cmd %d mid %d",
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+ cERROR(1, ("No response to cmd %d mid %d",
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midQ->command, midQ->mid));
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- if(midQ->midState == MID_REQUEST_SUBMITTED) {
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- if(ses->server->tcpStatus == CifsExiting)
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+ if (midQ->midState == MID_REQUEST_SUBMITTED) {
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+ if (ses->server->tcpStatus == CifsExiting)
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rc = -EHOSTDOWN;
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else {
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ses->server->tcpStatus = CifsNeedReconnect;
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@@ -523,9 +523,9 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
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}
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if (rc != -EHOSTDOWN) {
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- if(midQ->midState == MID_RETRY_NEEDED) {
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+ if (midQ->midState == MID_RETRY_NEEDED) {
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|
rc = -EAGAIN;
|
|
|
- cFYI(1,("marking request for retry"));
|
|
|
+ cFYI(1, ("marking request for retry"));
|
|
|
} else {
|
|
|
rc = -EIO;
|
|
|
}
|
|
@@ -533,7 +533,7 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
spin_unlock(&GlobalMid_Lock);
|
|
|
DeleteMidQEntry(midQ);
|
|
|
/* Update # of requests on wire to server */
|
|
|
- atomic_dec(&ses->server->inFlight);
|
|
|
+ atomic_dec(&ses->server->inFlight);
|
|
|
wake_up(&ses->server->request_q);
|
|
|
return rc;
|
|
|
}
|
|
@@ -543,11 +543,11 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
receive_len, xid));
|
|
|
rc = -EIO;
|
|
|
} else { /* rcvd frame is ok */
|
|
|
- if (midQ->resp_buf &&
|
|
|
+ if (midQ->resp_buf &&
|
|
|
(midQ->midState == MID_RESPONSE_RECEIVED)) {
|
|
|
|
|
|
iov[0].iov_base = (char *)midQ->resp_buf;
|
|
|
- if(midQ->largeBuf)
|
|
|
+ if (midQ->largeBuf)
|
|
|
*pRespBufType = CIFS_LARGE_BUFFER;
|
|
|
else
|
|
|
*pRespBufType = CIFS_SMALL_BUFFER;
|
|
@@ -555,14 +555,14 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
|
|
|
dump_smb(midQ->resp_buf, 80);
|
|
|
/* convert the length into a more usable form */
|
|
|
- if((receive_len > 24) &&
|
|
|
+ if ((receive_len > 24) &&
|
|
|
(ses->server->secMode & (SECMODE_SIGN_REQUIRED |
|
|
|
SECMODE_SIGN_ENABLED))) {
|
|
|
rc = cifs_verify_signature(midQ->resp_buf,
|
|
|
ses->server->mac_signing_key,
|
|
|
midQ->sequence_number+1);
|
|
|
- if(rc) {
|
|
|
- cERROR(1,("Unexpected SMB signature"));
|
|
|
+ if (rc) {
|
|
|
+ cERROR(1, ("Unexpected SMB signature"));
|
|
|
/* BB FIXME add code to kill session */
|
|
|
}
|
|
|
}
|
|
@@ -576,19 +576,19 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
sizeof (struct smb_hdr) -
|
|
|
4 /* do not count RFC1001 header */ +
|
|
|
(2 * midQ->resp_buf->WordCount) + 2 /* bcc */ )
|
|
|
- BCC(midQ->resp_buf) =
|
|
|
+ BCC(midQ->resp_buf) =
|
|
|
le16_to_cpu(BCC_LE(midQ->resp_buf));
|
|
|
midQ->resp_buf = NULL; /* mark it so will not be freed
|
|
|
by DeleteMidQEntry */
|
|
|
} else {
|
|
|
rc = -EIO;
|
|
|
- cFYI(1,("Bad MID state?"));
|
|
|
+ cFYI(1, ("Bad MID state?"));
|
|
|
}
|
|
|
}
|
|
|
|
|
|
out:
|
|
|
DeleteMidQEntry(midQ);
|
|
|
- atomic_dec(&ses->server->inFlight);
|
|
|
+ atomic_dec(&ses->server->inFlight);
|
|
|
wake_up(&ses->server->request_q);
|
|
|
|
|
|
return rc;
|
|
@@ -605,18 +605,18 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
struct mid_q_entry *midQ;
|
|
|
|
|
|
if (ses == NULL) {
|
|
|
- cERROR(1,("Null smb session"));
|
|
|
+ cERROR(1, ("Null smb session"));
|
|
|
return -EIO;
|
|
|
}
|
|
|
- if(ses->server == NULL) {
|
|
|
- cERROR(1,("Null tcp session"));
|
|
|
+ if (ses->server == NULL) {
|
|
|
+ cERROR(1, ("Null tcp session"));
|
|
|
return -EIO;
|
|
|
}
|
|
|
|
|
|
- if(ses->server->tcpStatus == CifsExiting)
|
|
|
+ if (ses->server->tcpStatus == CifsExiting)
|
|
|
return -ENOENT;
|
|
|
|
|
|
- /* Ensure that we do not send more than 50 overlapping requests
|
|
|
+ /* Ensure that we do not send more than 50 overlapping requests
|
|
|
to the same server. We may make this configurable later or
|
|
|
use ses->maxReq */
|
|
|
|
|
@@ -624,17 +624,17 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
if (rc)
|
|
|
return rc;
|
|
|
|
|
|
- /* make sure that we sign in the same order that we send on this socket
|
|
|
+ /* make sure that we sign in the same order that we send on this socket
|
|
|
and avoid races inside tcp sendmsg code that could cause corruption
|
|
|
of smb data */
|
|
|
|
|
|
- down(&ses->server->tcpSem);
|
|
|
+ down(&ses->server->tcpSem);
|
|
|
|
|
|
rc = allocate_mid(ses, in_buf, &midQ);
|
|
|
if (rc) {
|
|
|
up(&ses->server->tcpSem);
|
|
|
/* Update # of requests on wire to server */
|
|
|
- atomic_dec(&ses->server->inFlight);
|
|
|
+ atomic_dec(&ses->server->inFlight);
|
|
|
wake_up(&ses->server->request_q);
|
|
|
return rc;
|
|
|
}
|
|
@@ -645,7 +645,7 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
DeleteMidQEntry(midQ);
|
|
|
up(&ses->server->tcpSem);
|
|
|
/* Update # of requests on wire to server */
|
|
|
- atomic_dec(&ses->server->inFlight);
|
|
|
+ atomic_dec(&ses->server->inFlight);
|
|
|
wake_up(&ses->server->request_q);
|
|
|
return -EIO;
|
|
|
}
|
|
@@ -664,7 +664,7 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
#endif
|
|
|
up(&ses->server->tcpSem);
|
|
|
|
|
|
- if(rc < 0)
|
|
|
+ if (rc < 0)
|
|
|
goto out;
|
|
|
|
|
|
if (long_op == -1)
|
|
@@ -672,17 +672,17 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
else if (long_op == 2) /* writes past end of file can take loong time */
|
|
|
timeout = 180 * HZ;
|
|
|
else if (long_op == 1)
|
|
|
- timeout = 45 * HZ; /* should be greater than
|
|
|
+ timeout = 45 * HZ; /* should be greater than
|
|
|
servers oplock break timeout (about 43 seconds) */
|
|
|
else
|
|
|
timeout = 15 * HZ;
|
|
|
- /* wait for 15 seconds or until woken up due to response arriving or
|
|
|
+ /* wait for 15 seconds or until woken up due to response arriving or
|
|
|
due to last connection to this server being unmounted */
|
|
|
if (signal_pending(current)) {
|
|
|
/* if signal pending do not hold up user for full smb timeout
|
|
|
but we still give response a chance to complete */
|
|
|
timeout = 2 * HZ;
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
/* No user interrupts in wait - wreaks havoc with performance */
|
|
|
wait_for_response(ses, midQ, timeout, 10 * HZ);
|
|
@@ -692,10 +692,10 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
spin_unlock(&GlobalMid_Lock);
|
|
|
receive_len = midQ->resp_buf->smb_buf_length;
|
|
|
} else {
|
|
|
- cERROR(1,("No response for cmd %d mid %d",
|
|
|
+ cERROR(1, ("No response for cmd %d mid %d",
|
|
|
midQ->command, midQ->mid));
|
|
|
- if(midQ->midState == MID_REQUEST_SUBMITTED) {
|
|
|
- if(ses->server->tcpStatus == CifsExiting)
|
|
|
+ if (midQ->midState == MID_REQUEST_SUBMITTED) {
|
|
|
+ if (ses->server->tcpStatus == CifsExiting)
|
|
|
rc = -EHOSTDOWN;
|
|
|
else {
|
|
|
ses->server->tcpStatus = CifsNeedReconnect;
|
|
@@ -704,9 +704,9 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
}
|
|
|
|
|
|
if (rc != -EHOSTDOWN) {
|
|
|
- if(midQ->midState == MID_RETRY_NEEDED) {
|
|
|
+ if (midQ->midState == MID_RETRY_NEEDED) {
|
|
|
rc = -EAGAIN;
|
|
|
- cFYI(1,("marking request for retry"));
|
|
|
+ cFYI(1, ("marking request for retry"));
|
|
|
} else {
|
|
|
rc = -EIO;
|
|
|
}
|
|
@@ -714,7 +714,7 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
spin_unlock(&GlobalMid_Lock);
|
|
|
DeleteMidQEntry(midQ);
|
|
|
/* Update # of requests on wire to server */
|
|
|
- atomic_dec(&ses->server->inFlight);
|
|
|
+ atomic_dec(&ses->server->inFlight);
|
|
|
wake_up(&ses->server->request_q);
|
|
|
return rc;
|
|
|
}
|
|
@@ -734,14 +734,14 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
|
|
|
dump_smb(out_buf, 92);
|
|
|
/* convert the length into a more usable form */
|
|
|
- if((receive_len > 24) &&
|
|
|
+ if ((receive_len > 24) &&
|
|
|
(ses->server->secMode & (SECMODE_SIGN_REQUIRED |
|
|
|
SECMODE_SIGN_ENABLED))) {
|
|
|
rc = cifs_verify_signature(out_buf,
|
|
|
ses->server->mac_signing_key,
|
|
|
midQ->sequence_number+1);
|
|
|
- if(rc) {
|
|
|
- cERROR(1,("Unexpected SMB signature"));
|
|
|
+ if (rc) {
|
|
|
+ cERROR(1, ("Unexpected SMB signature"));
|
|
|
/* BB FIXME add code to kill session */
|
|
|
}
|
|
|
}
|
|
@@ -759,13 +759,13 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
|
|
|
BCC(out_buf) = le16_to_cpu(BCC_LE(out_buf));
|
|
|
} else {
|
|
|
rc = -EIO;
|
|
|
- cERROR(1,("Bad MID state?"));
|
|
|
+ cERROR(1, ("Bad MID state?"));
|
|
|
}
|
|
|
}
|
|
|
|
|
|
out:
|
|
|
DeleteMidQEntry(midQ);
|
|
|
- atomic_dec(&ses->server->inFlight);
|
|
|
+ atomic_dec(&ses->server->inFlight);
|
|
|
wake_up(&ses->server->request_q);
|
|
|
|
|
|
return rc;
|
|
@@ -783,7 +783,7 @@ send_nt_cancel(struct cifsTconInfo *tcon, struct smb_hdr *in_buf,
|
|
|
|
|
|
header_assemble(in_buf, SMB_COM_NT_CANCEL, tcon, 0);
|
|
|
in_buf->Mid = mid;
|
|
|
- down(&ses->server->tcpSem);
|
|
|
+ down(&ses->server->tcpSem);
|
|
|
rc = cifs_sign_smb(in_buf, ses->server, &midQ->sequence_number);
|
|
|
if (rc) {
|
|
|
up(&ses->server->tcpSem);
|
|
@@ -832,20 +832,20 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifsTconInfo *tcon,
|
|
|
struct cifsSesInfo *ses;
|
|
|
|
|
|
if (tcon == NULL || tcon->ses == NULL) {
|
|
|
- cERROR(1,("Null smb session"));
|
|
|
+ cERROR(1, ("Null smb session"));
|
|
|
return -EIO;
|
|
|
}
|
|
|
ses = tcon->ses;
|
|
|
|
|
|
- if(ses->server == NULL) {
|
|
|
- cERROR(1,("Null tcp session"));
|
|
|
+ if (ses->server == NULL) {
|
|
|
+ cERROR(1, ("Null tcp session"));
|
|
|
return -EIO;
|
|
|
}
|
|
|
|
|
|
- if(ses->server->tcpStatus == CifsExiting)
|
|
|
+ if (ses->server->tcpStatus == CifsExiting)
|
|
|
return -ENOENT;
|
|
|
|
|
|
- /* Ensure that we do not send more than 50 overlapping requests
|
|
|
+ /* Ensure that we do not send more than 50 overlapping requests
|
|
|
to the same server. We may make this configurable later or
|
|
|
use ses->maxReq */
|
|
|
|
|
@@ -853,11 +853,11 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifsTconInfo *tcon,
|
|
|
if (rc)
|
|
|
return rc;
|
|
|
|
|
|
- /* make sure that we sign in the same order that we send on this socket
|
|
|
+ /* make sure that we sign in the same order that we send on this socket
|
|
|
and avoid races inside tcp sendmsg code that could cause corruption
|
|
|
of smb data */
|
|
|
|
|
|
- down(&ses->server->tcpSem);
|
|
|
+ down(&ses->server->tcpSem);
|
|
|
|
|
|
rc = allocate_mid(ses, in_buf, &midQ);
|
|
|
if (rc) {
|
|
@@ -887,14 +887,14 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifsTconInfo *tcon,
|
|
|
#endif
|
|
|
up(&ses->server->tcpSem);
|
|
|
|
|
|
- if(rc < 0) {
|
|
|
+ if (rc < 0) {
|
|
|
DeleteMidQEntry(midQ);
|
|
|
return rc;
|
|
|
}
|
|
|
|
|
|
/* Wait for a reply - allow signals to interrupt. */
|
|
|
rc = wait_event_interruptible(ses->server->response_q,
|
|
|
- (!(midQ->midState == MID_REQUEST_SUBMITTED)) ||
|
|
|
+ (!(midQ->midState == MID_REQUEST_SUBMITTED)) ||
|
|
|
((ses->server->tcpStatus != CifsGood) &&
|
|
|
(ses->server->tcpStatus != CifsNew)));
|
|
|
|
|
@@ -928,7 +928,7 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifsTconInfo *tcon,
|
|
|
}
|
|
|
|
|
|
/* Wait 5 seconds for the response. */
|
|
|
- if (wait_for_response(ses, midQ, 5 * HZ, 5 * HZ)==0) {
|
|
|
+ if (wait_for_response(ses, midQ, 5 * HZ, 5 * HZ) == 0) {
|
|
|
/* We got the response - restart system call. */
|
|
|
rstart = 1;
|
|
|
}
|
|
@@ -939,10 +939,10 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifsTconInfo *tcon,
|
|
|
spin_unlock(&GlobalMid_Lock);
|
|
|
receive_len = midQ->resp_buf->smb_buf_length;
|
|
|
} else {
|
|
|
- cERROR(1,("No response for cmd %d mid %d",
|
|
|
+ cERROR(1, ("No response for cmd %d mid %d",
|
|
|
midQ->command, midQ->mid));
|
|
|
- if(midQ->midState == MID_REQUEST_SUBMITTED) {
|
|
|
- if(ses->server->tcpStatus == CifsExiting)
|
|
|
+ if (midQ->midState == MID_REQUEST_SUBMITTED) {
|
|
|
+ if (ses->server->tcpStatus == CifsExiting)
|
|
|
rc = -EHOSTDOWN;
|
|
|
else {
|
|
|
ses->server->tcpStatus = CifsNeedReconnect;
|
|
@@ -951,9 +951,9 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifsTconInfo *tcon,
|
|
|
}
|
|
|
|
|
|
if (rc != -EHOSTDOWN) {
|
|
|
- if(midQ->midState == MID_RETRY_NEEDED) {
|
|
|
+ if (midQ->midState == MID_RETRY_NEEDED) {
|
|
|
rc = -EAGAIN;
|
|
|
- cFYI(1,("marking request for retry"));
|
|
|
+ cFYI(1, ("marking request for retry"));
|
|
|
} else {
|
|
|
rc = -EIO;
|
|
|
}
|
|
@@ -978,14 +978,14 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifsTconInfo *tcon,
|
|
|
|
|
|
dump_smb(out_buf, 92);
|
|
|
/* convert the length into a more usable form */
|
|
|
- if((receive_len > 24) &&
|
|
|
+ if ((receive_len > 24) &&
|
|
|
(ses->server->secMode & (SECMODE_SIGN_REQUIRED |
|
|
|
SECMODE_SIGN_ENABLED))) {
|
|
|
rc = cifs_verify_signature(out_buf,
|
|
|
ses->server->mac_signing_key,
|
|
|
midQ->sequence_number+1);
|
|
|
- if(rc) {
|
|
|
- cERROR(1,("Unexpected SMB signature"));
|
|
|
+ if (rc) {
|
|
|
+ cERROR(1, ("Unexpected SMB signature"));
|
|
|
/* BB FIXME add code to kill session */
|
|
|
}
|
|
|
}
|
|
@@ -1003,7 +1003,7 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifsTconInfo *tcon,
|
|
|
BCC(out_buf) = le16_to_cpu(BCC_LE(out_buf));
|
|
|
} else {
|
|
|
rc = -EIO;
|
|
|
- cERROR(1,("Bad MID state?"));
|
|
|
+ cERROR(1, ("Bad MID state?"));
|
|
|
}
|
|
|
}
|
|
|
DeleteMidQEntry(midQ);
|