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Commit f984c7b9 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Steve French
Browse files

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>


Cc: Steven French <sfrench@us.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarSteve French <sfrench@us.ibm.com>
parent 5ca33c6a
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+241 −395
Original line number Diff line number Diff line
@@ -107,9 +107,7 @@ void cifs_dump_mids(struct TCP_Server_Info *server)
#endif /* CONFIG_CIFS_DEBUG2 */

#ifdef CONFIG_PROC_FS
static int
cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
		     int count, int *eof, void *data)
static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
{
	struct list_head *tmp;
	struct list_head *tmp1;
@@ -117,23 +115,13 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
	struct cifsSesInfo *ses;
	struct cifsTconInfo *tcon;
	int i;
	int length = 0;
	char *original_buf = buf;

	*beginBuffer = buf + offset;

	length =
	    sprintf(buf,
	seq_puts(m,
		    "Display Internal CIFS Data Structures for Debugging\n"
		    "---------------------------------------------------\n");
	buf += length;
	length = sprintf(buf, "CIFS Version %s\n", CIFS_VERSION);
	buf += length;
	length = sprintf(buf,
		"Active VFS Requests: %d\n", GlobalTotalActiveXid);
	buf += length;
	length = sprintf(buf, "Servers:");
	buf += length;
	seq_printf(m, "CIFS Version %s\n", CIFS_VERSION);
	seq_printf(m, "Active VFS Requests: %d\n", GlobalTotalActiveXid);
	seq_printf(m, "Servers:");

	i = 0;
	read_lock(&GlobalSMBSeslock);
@@ -142,11 +130,10 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
		ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList);
		if ((ses->serverDomain == NULL) || (ses->serverOS == NULL) ||
		   (ses->serverNOS == NULL)) {
			buf += sprintf(buf, "\nentry for %s not fully "
			seq_printf(m, "\nentry for %s not fully "
					"displayed\n\t", ses->serverName);
		} else {
			length =
			    sprintf(buf,
			seq_printf(m,
				    "\n%d) Name: %s  Domain: %s Mounts: %d OS:"
				    " %s  \n\tNOS: %s\tCapability: 0x%x\n\tSMB"
				    " session status: %d\t",
@@ -154,10 +141,9 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
				atomic_read(&ses->inUse),
				ses->serverOS, ses->serverNOS,
				ses->capabilities, ses->status);
			buf += length;
		}
		if (ses->server) {
			buf += sprintf(buf, "TCP status: %d\n\tLocal Users To "
			seq_printf(m, "TCP status: %d\n\tLocal Users To "
				    "Server: %d SecMode: 0x%x Req On Wire: %d",
				ses->server->tcpStatus,
				atomic_read(&ses->server->socketUseCount),
@@ -165,13 +151,12 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
				atomic_read(&ses->server->inFlight));

#ifdef CONFIG_CIFS_STATS2
			buf += sprintf(buf, " In Send: %d In MaxReq Wait: %d",
			seq_printf(m, " In Send: %d In MaxReq Wait: %d",
				atomic_read(&ses->server->inSend),
				atomic_read(&ses->server->num_waiters));
#endif

			length = sprintf(buf, "\nMIDs:\n");
			buf += length;
			seq_puts(m, "\nMIDs:\n");

			spin_lock(&GlobalMid_Lock);
			list_for_each(tmp1, &ses->server->pending_mid_q) {
@@ -179,7 +164,7 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
					mid_q_entry,
					qhead);
				if (mid_entry) {
					length = sprintf(buf,
					seq_printf(m,
							"State: %d com: %d pid:"
							" %d tsk: %p mid %d\n",
							mid_entry->midState,
@@ -187,7 +172,6 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
							mid_entry->pid,
							mid_entry->tsk,
							mid_entry->mid);
					buf += length;
				}
			}
			spin_unlock(&GlobalMid_Lock);
@@ -195,11 +179,9 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,

	}
	read_unlock(&GlobalSMBSeslock);
	sprintf(buf, "\n");
	buf++;
	seq_putc(m, '\n');

	length = sprintf(buf, "Shares:");
	buf += length;
	seq_puts(m, "Shares:");

	i = 0;
	read_lock(&GlobalSMBSeslock);
@@ -208,62 +190,52 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
		i++;
		tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList);
		dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
		length = sprintf(buf, "\n%d) %s Uses: %d ", i,
		seq_printf(m, "\n%d) %s Uses: %d ", i,
				 tcon->treeName, atomic_read(&tcon->useCount));
		buf += length;
		if (tcon->nativeFileSystem) {
			length = sprintf(buf, "Type: %s ",
			seq_printf(m, "Type: %s ",
					 tcon->nativeFileSystem);
			buf += length;
		}
		length = sprintf(buf, "DevInfo: 0x%x Attributes: 0x%x"
		seq_printf(m, "DevInfo: 0x%x Attributes: 0x%x"
				 "\nPathComponentMax: %d Status: %d",
			    le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics),
			    le32_to_cpu(tcon->fsAttrInfo.Attributes),
			    le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength),
			    tcon->tidStatus);
		buf += length;
		if (dev_type == FILE_DEVICE_DISK)
			length = sprintf(buf, " type: DISK ");
			seq_puts(m, " type: DISK ");
		else if (dev_type == FILE_DEVICE_CD_ROM)
			length = sprintf(buf, " type: CDROM ");
			seq_puts(m, " type: CDROM ");
		else
			length =
			    sprintf(buf, " type: %d ", dev_type);
		buf += length;
			seq_printf(m, " type: %d ", dev_type);
		if (tcon->tidStatus == CifsNeedReconnect) {
			buf += sprintf(buf, "\tDISCONNECTED ");
			length += 14;
			seq_puts(m, "\tDISCONNECTED ");
		}
	}
	read_unlock(&GlobalSMBSeslock);

	length = sprintf(buf, "\n");
	buf += length;
	seq_putc(m, '\n');

	/* BB add code to dump additional info such as TCP session info now */
	/* Now calculate total size of returned data */
	length = buf - original_buf;

	if (offset + count >= length)
		*eof = 1;
	if (length < offset) {
		*eof = 1;
	return 0;
	} else {
		length = length - offset;
}
	if (length > count)
		length = count;

	return length;
static int cifs_debug_data_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, cifs_debug_data_proc_show, NULL);
}

#ifdef CONFIG_CIFS_STATS
static const struct file_operations cifs_debug_data_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= cifs_debug_data_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
};

static int
cifs_stats_write(struct file *file, const char __user *buffer,
		 unsigned long count, void *data)
#ifdef CONFIG_CIFS_STATS
static ssize_t cifs_stats_proc_write(struct file *file,
		const char __user *buffer, size_t count, loff_t *ppos)
{
	char c;
	int rc;
@@ -307,236 +279,127 @@ cifs_stats_write(struct file *file, const char __user *buffer,
	return count;
}

static int
cifs_stats_read(char *buf, char **beginBuffer, off_t offset,
		  int count, int *eof, void *data)
static int cifs_stats_proc_show(struct seq_file *m, void *v)
{
	int item_length, i, length;
	int i;
	struct list_head *tmp;
	struct cifsTconInfo *tcon;

	*beginBuffer = buf + offset;

	length = sprintf(buf,
	seq_printf(m,
			"Resources in use\nCIFS Session: %d\n",
			sesInfoAllocCount.counter);
	buf += length;
	item_length =
		sprintf(buf, "Share (unique mount targets): %d\n",
	seq_printf(m, "Share (unique mount targets): %d\n",
			tconInfoAllocCount.counter);
	length += item_length;
	buf += item_length;
	item_length =
		sprintf(buf, "SMB Request/Response Buffer: %d Pool size: %d\n",
	seq_printf(m, "SMB Request/Response Buffer: %d Pool size: %d\n",
			bufAllocCount.counter,
			cifs_min_rcv + tcpSesAllocCount.counter);
	length += item_length;
	buf += item_length;
	item_length =
		sprintf(buf, "SMB Small Req/Resp Buffer: %d Pool size: %d\n",
	seq_printf(m, "SMB Small Req/Resp Buffer: %d Pool size: %d\n",
			smBufAllocCount.counter, cifs_min_small);
	length += item_length;
	buf += item_length;
#ifdef CONFIG_CIFS_STATS2
	item_length = sprintf(buf, "Total Large %d Small %d Allocations\n",
	seq_printf(m, "Total Large %d Small %d Allocations\n",
				atomic_read(&totBufAllocCount),
				atomic_read(&totSmBufAllocCount));
	length += item_length;
	buf += item_length;
#endif /* CONFIG_CIFS_STATS2 */

	item_length =
		sprintf(buf, "Operations (MIDs): %d\n",
			midCount.counter);
	length += item_length;
	buf += item_length;
	item_length = sprintf(buf,
	seq_printf(m, "Operations (MIDs): %d\n", midCount.counter);
	seq_printf(m,
		"\n%d session %d share reconnects\n",
		tcpSesReconnectCount.counter, tconInfoReconnectCount.counter);
	length += item_length;
	buf += item_length;

	item_length = sprintf(buf,
	seq_printf(m,
		"Total vfs operations: %d maximum at one time: %d\n",
		GlobalCurrentXid, GlobalMaxActiveXid);
	length += item_length;
	buf += item_length;

	i = 0;
	read_lock(&GlobalSMBSeslock);
	list_for_each(tmp, &GlobalTreeConnectionList) {
		i++;
		tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList);
		item_length = sprintf(buf, "\n%d) %s", i, tcon->treeName);
		buf += item_length;
		length += item_length;
		if (tcon->tidStatus == CifsNeedReconnect) {
			buf += sprintf(buf, "\tDISCONNECTED ");
			length += 14;
		}
		item_length = sprintf(buf, "\nSMBs: %d Oplock Breaks: %d",
		seq_printf(m, "\n%d) %s", i, tcon->treeName);
		if (tcon->tidStatus == CifsNeedReconnect)
			seq_puts(m, "\tDISCONNECTED ");
		seq_printf(m, "\nSMBs: %d Oplock Breaks: %d",
			atomic_read(&tcon->num_smbs_sent),
			atomic_read(&tcon->num_oplock_brks));
		buf += item_length;
		length += item_length;
		item_length = sprintf(buf, "\nReads:  %d Bytes: %lld",
		seq_printf(m, "\nReads:  %d Bytes: %lld",
			atomic_read(&tcon->num_reads),
			(long long)(tcon->bytes_read));
		buf += item_length;
		length += item_length;
		item_length = sprintf(buf, "\nWrites: %d Bytes: %lld",
		seq_printf(m, "\nWrites: %d Bytes: %lld",
			atomic_read(&tcon->num_writes),
			(long long)(tcon->bytes_written));
		buf += item_length;
		length += item_length;
		item_length = sprintf(buf,
		seq_printf(m,
			"\nLocks: %d HardLinks: %d Symlinks: %d",
			atomic_read(&tcon->num_locks),
			atomic_read(&tcon->num_hardlinks),
			atomic_read(&tcon->num_symlinks));
		buf += item_length;
		length += item_length;

		item_length = sprintf(buf, "\nOpens: %d Closes: %d Deletes: %d",
		seq_printf(m, "\nOpens: %d Closes: %d Deletes: %d",
			atomic_read(&tcon->num_opens),
			atomic_read(&tcon->num_closes),
			atomic_read(&tcon->num_deletes));
		buf += item_length;
		length += item_length;
		item_length = sprintf(buf, "\nMkdirs: %d Rmdirs: %d",
		seq_printf(m, "\nMkdirs: %d Rmdirs: %d",
			atomic_read(&tcon->num_mkdirs),
			atomic_read(&tcon->num_rmdirs));
		buf += item_length;
		length += item_length;
		item_length = sprintf(buf, "\nRenames: %d T2 Renames %d",
		seq_printf(m, "\nRenames: %d T2 Renames %d",
			atomic_read(&tcon->num_renames),
			atomic_read(&tcon->num_t2renames));
		buf += item_length;
		length += item_length;
		item_length = sprintf(buf, "\nFindFirst: %d FNext %d FClose %d",
		seq_printf(m, "\nFindFirst: %d FNext %d FClose %d",
			atomic_read(&tcon->num_ffirst),
			atomic_read(&tcon->num_fnext),
			atomic_read(&tcon->num_fclose));
		buf += item_length;
		length += item_length;
	}
	read_unlock(&GlobalSMBSeslock);

	buf += sprintf(buf, "\n");
	length++;

	if (offset + count >= length)
		*eof = 1;
	if (length < offset) {
		*eof = 1;
	seq_putc(m, '\n');
	return 0;
	} else {
		length = length - offset;
}
	if (length > count)
		length = count;

	return length;
static int cifs_stats_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, cifs_stats_proc_show, NULL);
}

static const struct file_operations cifs_stats_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= cifs_stats_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
	.write		= cifs_stats_proc_write,
};
#endif /* STATS */

static struct proc_dir_entry *proc_fs_cifs;
read_proc_t cifs_txanchor_read;
static read_proc_t cifsFYI_read;
static write_proc_t cifsFYI_write;
static read_proc_t oplockEnabled_read;
static write_proc_t oplockEnabled_write;
static read_proc_t lookupFlag_read;
static write_proc_t lookupFlag_write;
static read_proc_t traceSMB_read;
static write_proc_t traceSMB_write;
static read_proc_t multiuser_mount_read;
static write_proc_t multiuser_mount_write;
static read_proc_t security_flags_read;
static write_proc_t security_flags_write;
/* static read_proc_t ntlmv2_enabled_read;
static write_proc_t ntlmv2_enabled_write;
static read_proc_t packet_signing_enabled_read;
static write_proc_t packet_signing_enabled_write;*/
static read_proc_t experimEnabled_read;
static write_proc_t experimEnabled_write;
static read_proc_t linuxExtensionsEnabled_read;
static write_proc_t linuxExtensionsEnabled_write;
static const struct file_operations cifsFYI_proc_fops;
static const struct file_operations cifs_oplock_proc_fops;
static const struct file_operations cifs_lookup_cache_proc_fops;
static const struct file_operations traceSMB_proc_fops;
static const struct file_operations cifs_multiuser_mount_proc_fops;
static const struct file_operations cifs_security_flags_proc_fops;
static const struct file_operations cifs_experimental_proc_fops;
static const struct file_operations cifs_linux_ext_proc_fops;

void
cifs_proc_init(void)
{
	struct proc_dir_entry *pde;

	proc_fs_cifs = proc_mkdir("fs/cifs", NULL);
	if (proc_fs_cifs == NULL)
		return;

	proc_fs_cifs->owner = THIS_MODULE;
	create_proc_read_entry("DebugData", 0, proc_fs_cifs,
				cifs_debug_data_read, NULL);
	proc_create("DebugData", 0, proc_fs_cifs, &cifs_debug_data_proc_fops);

#ifdef CONFIG_CIFS_STATS
	pde = create_proc_read_entry("Stats", 0, proc_fs_cifs,
				cifs_stats_read, NULL);
	if (pde)
		pde->write_proc = cifs_stats_write;
	proc_create("Stats", 0, proc_fs_cifs, &cifs_stats_proc_fops);
#endif /* STATS */
	pde = create_proc_read_entry("cifsFYI", 0, proc_fs_cifs,
				cifsFYI_read, NULL);
	if (pde)
		pde->write_proc = cifsFYI_write;

	pde =
	    create_proc_read_entry("traceSMB", 0, proc_fs_cifs,
				traceSMB_read, NULL);
	if (pde)
		pde->write_proc = traceSMB_write;

	pde = create_proc_read_entry("OplockEnabled", 0, proc_fs_cifs,
				oplockEnabled_read, NULL);
	if (pde)
		pde->write_proc = oplockEnabled_write;

	pde = create_proc_read_entry("Experimental", 0, proc_fs_cifs,
				experimEnabled_read, NULL);
	if (pde)
		pde->write_proc = experimEnabled_write;

	pde = create_proc_read_entry("LinuxExtensionsEnabled", 0, proc_fs_cifs,
				linuxExtensionsEnabled_read, NULL);
	if (pde)
		pde->write_proc = linuxExtensionsEnabled_write;

	pde =
	    create_proc_read_entry("MultiuserMount", 0, proc_fs_cifs,
				multiuser_mount_read, NULL);
	if (pde)
		pde->write_proc = multiuser_mount_write;

	pde =
	    create_proc_read_entry("SecurityFlags", 0, proc_fs_cifs,
				security_flags_read, NULL);
	if (pde)
		pde->write_proc = security_flags_write;

	pde =
	create_proc_read_entry("LookupCacheEnabled", 0, proc_fs_cifs,
				lookupFlag_read, NULL);
	if (pde)
		pde->write_proc = lookupFlag_write;

/*	pde =
	    create_proc_read_entry("NTLMV2Enabled", 0, proc_fs_cifs,
				ntlmv2_enabled_read, NULL);
	if (pde)
		pde->write_proc = ntlmv2_enabled_write;

	pde =
	    create_proc_read_entry("PacketSigningEnabled", 0, proc_fs_cifs,
				packet_signing_enabled_read, NULL);
	if (pde)
		pde->write_proc = packet_signing_enabled_write;*/
	proc_create("cifsFYI", 0, proc_fs_cifs, &cifsFYI_proc_fops);
	proc_create("traceSMB", 0, proc_fs_cifs, &traceSMB_proc_fops);
	proc_create("OplockEnabled", 0, proc_fs_cifs, &cifs_oplock_proc_fops);
	proc_create("Experimental", 0, proc_fs_cifs, &cifs_experimental_proc_fops);
	proc_create("LinuxExtensionsEnabled", 0, proc_fs_cifs, &cifs_linux_ext_proc_fops);
	proc_create("MultiuserMount", 0, proc_fs_cifs, &cifs_multiuser_mount_proc_fops);
	proc_create("SecurityFlags", 0, proc_fs_cifs, &cifs_security_flags_proc_fops);
	proc_create("LookupCacheEnabled", 0, proc_fs_cifs, &cifs_lookup_cache_proc_fops);
}

void
@@ -553,39 +416,26 @@ cifs_proc_clean(void)
#endif
	remove_proc_entry("MultiuserMount", proc_fs_cifs);
	remove_proc_entry("OplockEnabled", proc_fs_cifs);
/*	remove_proc_entry("NTLMV2Enabled",proc_fs_cifs); */
	remove_proc_entry("SecurityFlags", proc_fs_cifs);
/*	remove_proc_entry("PacketSigningEnabled", proc_fs_cifs); */
	remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs);
	remove_proc_entry("Experimental", proc_fs_cifs);
	remove_proc_entry("LookupCacheEnabled", proc_fs_cifs);
	remove_proc_entry("fs/cifs", NULL);
}

static int
cifsFYI_read(char *page, char **start, off_t off, int count,
	     int *eof, void *data)
static int cifsFYI_proc_show(struct seq_file *m, void *v)
{
	int len;

	len = sprintf(page, "%d\n", cifsFYI);

	len -= off;
	*start = page + off;

	if (len > count)
		len = count;
	else
		*eof = 1;

	if (len < 0)
		len = 0;
	seq_printf(m, "%d\n", cifsFYI);
	return 0;
}

	return len;
static int cifsFYI_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, cifsFYI_proc_show, NULL);
}
static int
cifsFYI_write(struct file *file, const char __user *buffer,
	      unsigned long count, void *data)

static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer,
		size_t count, loff_t *ppos)
{
	char c;
	int rc;
@@ -603,30 +453,28 @@ cifsFYI_write(struct file *file, const char __user *buffer,
	return count;
}

static int
oplockEnabled_read(char *page, char **start, off_t off,
		   int count, int *eof, void *data)
{
	int len;

	len = sprintf(page, "%d\n", oplockEnabled);

	len -= off;
	*start = page + off;

	if (len > count)
		len = count;
	else
		*eof = 1;
static const struct file_operations cifsFYI_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= cifsFYI_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
	.write		= cifsFYI_proc_write,
};

	if (len < 0)
		len = 0;
static int cifs_oplock_proc_show(struct seq_file *m, void *v)
{
	seq_printf(m, "%d\n", oplockEnabled);
	return 0;
}

	return len;
static int cifs_oplock_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, cifs_oplock_proc_show, NULL);
}
static int
oplockEnabled_write(struct file *file, const char __user *buffer,
		    unsigned long count, void *data)

static ssize_t cifs_oplock_proc_write(struct file *file,
		const char __user *buffer, size_t count, loff_t *ppos)
{
	char c;
	int rc;
@@ -642,30 +490,28 @@ oplockEnabled_write(struct file *file, const char __user *buffer,
	return count;
}

static int
experimEnabled_read(char *page, char **start, off_t off,
		    int count, int *eof, void *data)
{
	int len;
static const struct file_operations cifs_oplock_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= cifs_oplock_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
	.write		= cifs_oplock_proc_write,
};

	len = sprintf(page, "%d\n", experimEnabled);

	len -= off;
	*start = page + off;

	if (len > count)
		len = count;
	else
		*eof = 1;

	if (len < 0)
		len = 0;
static int cifs_experimental_proc_show(struct seq_file *m, void *v)
{
	seq_printf(m, "%d\n", experimEnabled);
	return 0;
}

	return len;
static int cifs_experimental_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, cifs_experimental_proc_show, NULL);
}
static int
experimEnabled_write(struct file *file, const char __user *buffer,
		     unsigned long count, void *data)

static ssize_t cifs_experimental_proc_write(struct file *file,
		const char __user *buffer, size_t count, loff_t *ppos)
{
	char c;
	int rc;
@@ -683,29 +529,28 @@ experimEnabled_write(struct file *file, const char __user *buffer,
	return count;
}

static int
linuxExtensionsEnabled_read(char *page, char **start, off_t off,
			    int count, int *eof, void *data)
{
	int len;

	len = sprintf(page, "%d\n", linuxExtEnabled);
	len -= off;
	*start = page + off;
static const struct file_operations cifs_experimental_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= cifs_experimental_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
	.write		= cifs_experimental_proc_write,
};

	if (len > count)
		len = count;
	else
		*eof = 1;

	if (len < 0)
		len = 0;
static int cifs_linux_ext_proc_show(struct seq_file *m, void *v)
{
	seq_printf(m, "%d\n", linuxExtEnabled);
	return 0;
}

	return len;
static int cifs_linux_ext_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, cifs_linux_ext_proc_show, NULL);
}
static int
linuxExtensionsEnabled_write(struct file *file, const char __user *buffer,
			     unsigned long count, void *data)

static ssize_t cifs_linux_ext_proc_write(struct file *file,
		const char __user *buffer, size_t count, loff_t *ppos)
{
	char c;
	int rc;
@@ -721,31 +566,28 @@ linuxExtensionsEnabled_write(struct file *file, const char __user *buffer,
	return count;
}

static const struct file_operations cifs_linux_ext_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= cifs_linux_ext_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
	.write		= cifs_linux_ext_proc_write,
};

static int
lookupFlag_read(char *page, char **start, off_t off,
		int count, int *eof, void *data)
static int cifs_lookup_cache_proc_show(struct seq_file *m, void *v)
{
	int len;

	len = sprintf(page, "%d\n", lookupCacheEnabled);

	len -= off;
	*start = page + off;

	if (len > count)
		len = count;
	else
		*eof = 1;

	if (len < 0)
		len = 0;
	seq_printf(m, "%d\n", lookupCacheEnabled);
	return 0;
}

	return len;
static int cifs_lookup_cache_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, cifs_lookup_cache_proc_show, NULL);
}
static int
lookupFlag_write(struct file *file, const char __user *buffer,
		    unsigned long count, void *data)

static ssize_t cifs_lookup_cache_proc_write(struct file *file,
		const char __user *buffer, size_t count, loff_t *ppos)
{
	char c;
	int rc;
@@ -760,30 +602,29 @@ lookupFlag_write(struct file *file, const char __user *buffer,

	return count;
}
static int
traceSMB_read(char *page, char **start, off_t off, int count,
	      int *eof, void *data)
{
	int len;

	len = sprintf(page, "%d\n", traceSMB);

	len -= off;
	*start = page + off;
static const struct file_operations cifs_lookup_cache_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= cifs_lookup_cache_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
	.write		= cifs_lookup_cache_proc_write,
};

	if (len > count)
		len = count;
	else
		*eof = 1;

	if (len < 0)
		len = 0;
static int traceSMB_proc_show(struct seq_file *m, void *v)
{
	seq_printf(m, "%d\n", traceSMB);
	return 0;
}

	return len;
static int traceSMB_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, traceSMB_proc_show, NULL);
}
static int
traceSMB_write(struct file *file, const char __user *buffer,
	       unsigned long count, void *data)

static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer,
		size_t count, loff_t *ppos)
{
	char c;
	int rc;
@@ -799,30 +640,28 @@ traceSMB_write(struct file *file, const char __user *buffer,
	return count;
}

static int
multiuser_mount_read(char *page, char **start, off_t off,
		     int count, int *eof, void *data)
{
	int len;

	len = sprintf(page, "%d\n", multiuser_mount);

	len -= off;
	*start = page + off;

	if (len > count)
		len = count;
	else
		*eof = 1;
static const struct file_operations traceSMB_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= traceSMB_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
	.write		= traceSMB_proc_write,
};

	if (len < 0)
		len = 0;
static int cifs_multiuser_mount_proc_show(struct seq_file *m, void *v)
{
	seq_printf(m, "%d\n", multiuser_mount);
	return 0;
}

	return len;
static int cifs_multiuser_mount_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, cifs_multiuser_mount_proc_show, NULL);
}
static int
multiuser_mount_write(struct file *file, const char __user *buffer,
		      unsigned long count, void *data)

static ssize_t cifs_multiuser_mount_proc_write(struct file *file,
		const char __user *buffer, size_t count, loff_t *ppos)
{
	char c;
	int rc;
@@ -838,30 +677,28 @@ multiuser_mount_write(struct file *file, const char __user *buffer,
	return count;
}

static int
security_flags_read(char *page, char **start, off_t off,
		       int count, int *eof, void *data)
{
	int len;

	len = sprintf(page, "0x%x\n", extended_security);

	len -= off;
	*start = page + off;
static const struct file_operations cifs_multiuser_mount_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= cifs_multiuser_mount_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
	.write		= cifs_multiuser_mount_proc_write,
};

	if (len > count)
		len = count;
	else
		*eof = 1;

	if (len < 0)
		len = 0;
static int cifs_security_flags_proc_show(struct seq_file *m, void *v)
{
	seq_printf(m, "0x%x\n", extended_security);
	return 0;
}

	return len;
static int cifs_security_flags_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, cifs_security_flags_proc_show, NULL);
}
static int
security_flags_write(struct file *file, const char __user *buffer,
			unsigned long count, void *data)

static ssize_t cifs_security_flags_proc_write(struct file *file,
		const char __user *buffer, size_t count, loff_t *ppos)
{
	unsigned int flags;
	char flags_string[12];
@@ -917,6 +754,15 @@ security_flags_write(struct file *file, const char __user *buffer,
	/* BB should we turn on MAY flags for other MUST options? */
	return count;
}

static const struct file_operations cifs_security_flags_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= cifs_security_flags_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
	.write		= cifs_security_flags_proc_write,
};
#else
inline void cifs_proc_init(void)
{