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[CIFS] Fix suspend/resume problem which causes EIO on subsequent access to

Browse source 
the mount.

Signed-off-by: Pavel Machek <pavel@suse.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Pavel Machek 2006-06-13 21:31:39 +00:00 committed by Steve French
parent 6344a423e5
commit 0fd1ffe063
2 changed files with 13 additions and 13 deletions
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2
fs/cifs/cifsfs.c
View file

@ -905,7 +905,7 @@ static int cifs_dnotify_thread(void * dummyarg)
struct cifsSesInfo *ses;
do {
if(try_to_freeze())
if (try_to_freeze())
continue;
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(15*HZ);

24
fs/cifs/connect.c
View file

@ -367,21 +367,21 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
continue;
if (bigbuf == NULL) {
bigbuf = cifs_buf_get();
if(bigbuf == NULL) {
cERROR(1,("No memory for large SMB response"));
if (!bigbuf) {
cERROR(1, ("No memory for large SMB response"));
msleep(3000);
/* retry will check if exiting */
continue;
}
} else if(isLargeBuf) {
/* we are reusing a dirtry large buf, clear its start */
} else if (isLargeBuf) {
/* we are reusing a dirty large buf, clear its start */
memset(bigbuf, 0, sizeof (struct smb_hdr));
}
if (smallbuf == NULL) {
smallbuf = cifs_small_buf_get();
if(smallbuf == NULL) {
cERROR(1,("No memory for SMB response"));
if (!smallbuf) {
cERROR(1, ("No memory for SMB response"));
msleep(1000);
/* retry will check if exiting */
continue;
@ -401,12 +401,12 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
kernel_recvmsg(csocket, &smb_msg,
&iov, 1, 4, 0 /* BB see socket.h flags */);
if(server->tcpStatus == CifsExiting) {
if (server->tcpStatus == CifsExiting) {
break;
} else if (server->tcpStatus == CifsNeedReconnect) {
cFYI(1,("Reconnect after server stopped responding"));
cFYI(1, ("Reconnect after server stopped responding"));
cifs_reconnect(server);
cFYI(1,("call to reconnect done"));
cFYI(1, ("call to reconnect done"));
csocket = server->ssocket;
continue;
} else if ((length == -ERESTARTSYS) || (length == -EAGAIN)) {
@ -415,15 +415,15 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
tcpStatus CifsNeedReconnect if server hung */
continue;
} else if (length <= 0) {
if(server->tcpStatus == CifsNew) {
cFYI(1,("tcp session abend after SMBnegprot"));
if (server->tcpStatus == CifsNew) {
cFYI(1, ("tcp session abend after SMBnegprot"));
/* some servers kill the TCP session rather than
returning an SMB negprot error, in which
case reconnecting here is not going to help,
and so simply return error to mount */
break;
}
if(length == -EINTR) {
if (!try_to_freeze() && (length == -EINTR)) {
cFYI(1,("cifsd thread killed"));
break;
}