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/*
 *	dev_table.h
 *
 *	Global definitions for device call tables
 *
 *
 * Copyright (C) by Hannu Savolainen 1993-1997
 *
 * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
 * Version 2 (June 1991). See the "COPYING" file distributed with this software
 * for more info.
 */


#ifndef _DEV_TABLE_H_
#define _DEV_TABLE_H_

#include <linux/spinlock.h>
/*
 * Sound card numbers 27 to 999. (1 to 26 are defined in soundcard.h)
 * Numbers 1000 to N are reserved for driver's internal use.
 */

#define SNDCARD_DESKPROXL		27	/* Compaq Deskpro XL */
#define SNDCARD_VIDC			28	/* ARMs VIDC */
#define SNDCARD_SBPNP			29
#define SNDCARD_SOFTOSS			36
#define SNDCARD_VMIDI			37
#define SNDCARD_OPL3SA1			38	/* Note: clash in msnd.h */
#define SNDCARD_OPL3SA1_SB		39
#define SNDCARD_OPL3SA1_MPU		40
#define SNDCARD_WAVEFRONT               41
#define SNDCARD_OPL3SA2                 42
#define SNDCARD_OPL3SA2_MPU             43
#define SNDCARD_WAVEARTIST              44	/* Waveartist */
#define SNDCARD_OPL3SA2_MSS             45	/* Originally missed */
#define SNDCARD_AD1816                  88

/*
 *	NOTE! 	NOTE!	NOTE!	NOTE!
 *
 *	If you modify this file, please check the dev_table.c also.
 *
 *	NOTE! 	NOTE!	NOTE!	NOTE!
 */

struct driver_info 
{
	char *driver_id;
	int card_subtype;	/* Driver specific. Usually 0 */
	int card_type;		/*	From soundcard.h	*/
	char *name;
	void (*attach) (struct address_info *hw_config);
	int (*probe) (struct address_info *hw_config);
	void (*unload) (struct address_info *hw_config);
};

struct card_info 
{
	int card_type;	/* Link (search key) to the driver list */
	struct address_info config;
	int enabled;
	void *for_driver_use;
};


/*
 * Device specific parameters (used only by dmabuf.c)
 */
#define MAX_SUB_BUFFERS		(32*MAX_REALTIME_FACTOR)

#define DMODE_NONE		0
#define DMODE_OUTPUT		PCM_ENABLE_OUTPUT
#define DMODE_INPUT		PCM_ENABLE_INPUT

struct dma_buffparms 
{
	int      dma_mode;	/* DMODE_INPUT, DMODE_OUTPUT or DMODE_NONE */
	int	 closing;

	/*
 	 * Pointers to raw buffers
 	 */

  	char     *raw_buf;
    	unsigned long   raw_buf_phys;
	int buffsize;

     	/*
         * Device state tables
         */

	unsigned long flags;
#define DMA_BUSY	0x00000001
#define DMA_RESTART	0x00000002
#define DMA_ACTIVE	0x00000004
#define DMA_STARTED	0x00000008
#define DMA_EMPTY	0x00000010	
#define DMA_ALLOC_DONE	0x00000020
#define DMA_SYNCING	0x00000040
#define DMA_DIRTY	0x00000080
#define DMA_POST	0x00000100
#define DMA_NODMA	0x00000200
#define DMA_NOTIMEOUT	0x00000400

	int      open_mode;

	/*
	 * Queue parameters.
	 */
	int      qlen;
	int      qhead;
	int      qtail;
	spinlock_t lock;
		
	int	 cfrag;	/* Current incomplete fragment (write) */

	int      nbufs;
	int      counts[MAX_SUB_BUFFERS];
	int      subdivision;

	int      fragment_size;
        int	 needs_reorg;
	int	 max_fragments;

	int	 bytes_in_use;

	int	 underrun_count;
	unsigned long	 byte_counter;
	unsigned long	 user_counter;
	unsigned long	 max_byte_counter;
	int	 data_rate; /* Bytes/second */

	int	 mapping_flags;
#define			DMA_MAP_MAPPED		0x00000001
	char	neutral_byte;
	int	dma;		/* DMA channel */

	int     applic_profile;	/* Application profile (APF_*) */
	/* Interrupt callback stuff */
	void (*audio_callback) (int dev, int parm);
	int callback_parm;

	int	 buf_flags[MAX_SUB_BUFFERS];
#define		 BUFF_EOF		0x00000001 /* Increment eof count */
#define		 BUFF_DIRTY		0x00000002 /* Buffer written */
};

/*
 * Structure for use with various microcontrollers and DSP processors 
 * in the recent sound cards.
 */
typedef struct coproc_operations 
{
	char name[64];
	struct module *owner;
	int (*open) (void *devc, int sub_device);
	void (*close) (void *devc, int sub_device);
	int (*ioctl) (void *devc, unsigned int cmd, void __user * arg, int local);
	void (*reset) (void *devc);

	void *devc;		/* Driver specific info */
} coproc_operations;

struct audio_driver 
{
	struct module *owner;
	int (*open) (int dev, int mode);
	void (*close) (int dev);
	void (*output_block) (int dev, unsigned long buf, 
			      int count, int intrflag);
	void (*start_input) (int dev, unsigned long buf, 
			     int count, int intrflag);
	int (*ioctl) (int dev, unsigned int cmd, void __user * arg);
	int (*prepare_for_input) (int dev, int bufsize, int nbufs);
	int (*prepare_for_output) (int dev, int bufsize, int nbufs);
	void (*halt_io) (int dev);
	int (*local_qlen)(int dev);
	void (*copy_user) (int dev,
			char *localbuf, int localoffs,
                        const char __user *userbuf, int useroffs,
                        int max_in, int max_out,
                        int *used, int *returned,
                        int len);
	void (*halt_input) (int dev);
	void (*halt_output) (int dev);
	void (*trigger) (int dev, int bits);
	int (*set_speed)(int dev, int speed);
	unsigned int (*set_bits)(int dev, unsigned int bits);
	short (*set_channels)(int dev, short channels);
	void (*postprocess_write)(int dev); 	/* Device spesific postprocessing for written data */
	void (*preprocess_read)(int dev); 	/* Device spesific preprocessing for read data */
	void (*mmap)(int dev);
};

struct audio_operations 
{
        char name[128];
	int flags;
#define NOTHING_SPECIAL 	0x00
#define NEEDS_RESTART		0x01
#define DMA_AUTOMODE		0x02
#define DMA_DUPLEX		0x04
#define DMA_PSEUDO_AUTOMODE	0x08
#define DMA_HARDSTOP		0x10
#define DMA_EXACT		0x40
#define DMA_NORESET		0x80
	int  format_mask;	/* Bitmask for supported audio formats */
	void *devc;		/* Driver specific info */
	struct audio_driver *d;
	void *portc;		/* Driver specific info */
	struct dma_buffparms *dmap_in, *dmap_out;
	struct coproc_operations *coproc;
	int mixer_dev;
	int enable_bits;
 	int open_mode;
	int go;
	int min_fragment;	/* 0 == unlimited */
	int max_fragment;	/* 0 == unlimited */
	int parent_dev;		/* 0 -> no parent, 1 to n -> parent=parent_dev+1 */

	/* fields formerly in dmabuf.c */
	wait_queue_head_t in_sleeper;
	wait_queue_head_t out_sleeper;
	wait_queue_head_t poll_sleeper;

	/* fields formerly in audio.c */
	int audio_mode;

#define		AM_NONE		0
#define		AM_WRITE	OPEN_WRITE
#define 	AM_READ		OPEN_READ

	int local_format;
	int audio_format;
	int local_conversion;
#define CNV_MU_LAW	0x00000001

	/* large structures at the end to keep offsets small */
	struct dma_buffparms dmaps[2];
};

int *load_mixer_volumes(char *name, int *levels, int present);

struct mixer_operations 
{
	struct module *owner;
	char id[16];
	char name[64];
	int (*ioctl) (int dev, unsigned int cmd, void __user * arg);
	
	void *devc;
	int modify_counter;
};

struct synth_operations 
{
	struct module *owner;
	char *id;	/* Unique identifier (ASCII) max 29 char */
	struct synth_info *info;
	int midi_dev;
	int synth_type;
	int synth_subtype;

	int (*open) (int dev, int mode);
	void (*close) (int dev);
	int (*ioctl) (int dev, unsigned int cmd, void __user * arg);
	int (*kill_note) (int dev, int voice, int note, int velocity);
	int (*start_note) (int dev, int voice, int note, int velocity);
	int (*set_instr) (int dev, int voice, int instr);
	void (*reset) (int dev);
	void (*hw_control) (int dev, unsigned char *event);
	int (*load_patch) (int dev, int format, const char __user *addr,
	     int count, int pmgr_flag);
	void (*aftertouch) (int dev, int voice, int pressure);
	void (*controller) (int dev, int voice, int ctrl_num, int value);
	void (*panning) (int dev, int voice, int value);
	void (*volume_method) (int dev, int mode);
	void (*bender) (int dev, int chn, int value);
	int (*alloc_voice) (int dev, int chn, int note, struct voice_alloc_info *alloc);
	void (*setup_voice) (int dev, int voice, int chn);
	int (*send_sysex)(int dev, unsigned char *bytes, int len);

 	struct voice_alloc_info alloc;
 	struct channel_info chn_info[16];
	int emulation;
#define	EMU_GM			1	/* General MIDI */
#define	EMU_XG			2	/* Yamaha XG */
#define MAX_SYSEX_BUF	64
	unsigned char sysex_buf[MAX_SYSEX_BUF];
	int sysex_ptr;
};

struct midi_input_info 
{
	/* MIDI input scanner variables */
#define MI_MAX	10
	volatile int             m_busy;
    	unsigned char   m_buf[MI_MAX];
	unsigned char	m_prev_status;	/* For running status */
    	int             m_ptr;
#define MST_INIT			0
#define MST_DATA			1
#define MST_SYSEX			2
    	int             m_state;
    	int             m_left;
};

struct midi_operations 
{
	struct module *owner;
	struct midi_info info;
	struct synth_operations *converter;
	struct midi_input_info in_info;
	int (*open) (int dev, int mode,
		void (*inputintr)(int dev, unsigned char data),
		void (*outputintr)(int dev)
		);
	void (*close) (int dev);
	int (*ioctl) (int dev, unsigned int cmd, void __user * arg);
	int (*outputc) (int dev, unsigned char data);
	int (*start_read) (int dev);
	int (*end_read) (int dev);
	void (*kick)(int dev);
	int (*command) (int dev, unsigned char *data);
	int (*buffer_status) (int dev);
	int (*prefix_cmd) (int dev, unsigned char status);
	struct coproc_operations *coproc;
	void *devc;
};

struct sound_lowlev_timer 
{
	int dev;
	int priority;
	unsigned int (*tmr_start)(int dev, unsigned int usecs);
	void (*tmr_disable)(int dev);
	void (*tmr_restart)(int dev);
};

struct sound_timer_operations 
{
	struct module *owner;
	struct sound_timer_info info;
	int priority;
	int devlink;
	int (*open)(int dev, int mode);
	void (*close)(int dev);
	int (*event)(int dev, unsigned char *ev);
	unsigned long (*get_time)(int dev);
	int (*ioctl) (int dev, unsigned int cmd, void __user * arg);
	void (*arm_timer)(int dev, long time);
};

extern struct sound_timer_operations default_sound_timer;

extern struct audio_operations *audio_devs[MAX_AUDIO_DEV];
extern int num_audiodevs;
extern struct mixer_operations *mixer_devs[MAX_MIXER_DEV];
extern int num_mixers;
extern struct synth_operations *synth_devs[MAX_SYNTH_DEV+MAX_MIDI_DEV];
extern int num_synths;
extern struct midi_operations *midi_devs[MAX_MIDI_DEV];
extern int num_midis;
extern struct sound_timer_operations * sound_timer_devs[MAX_TIMER_DEV];
extern int num_sound_timers;

extern int sound_map_buffer (int dev, struct dma_buffparms *dmap, buffmem_desc *info);
void sound_timer_init (struct sound_lowlev_timer *t, char *name);
void sound_dma_intr (int dev, struct dma_buffparms *dmap, int chan);

#define AUDIO_DRIVER_VERSION	2
#define MIXER_DRIVER_VERSION	2
int sound_install_audiodrv(int vers, char *name, struct audio_driver *driver,
			int driver_size, int flags, unsigned int format_mask,
			void *devc, int dma1, int dma2);
int sound_install_mixer(int vers, char *name, struct mixer_operations *driver,
			int driver_size, void *devc);

void sound_unload_audiodev(int dev);
void sound_unload_mixerdev(int dev);
void sound_unload_mididev(int dev);
void sound_unload_synthdev(int dev);
void sound_unload_timerdev(int dev);
int sound_alloc_mixerdev(void);
int sound_alloc_timerdev(void);
int sound_alloc_synthdev(void);
int sound_alloc_mididev(void);
#endif	/* _DEV_TABLE_H_ */

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/*
 *   fs/cifs/cifssmb.c
 *
 *   Copyright (C) International Business Machines  Corp., 2002,2005
 *   Author(s): Steve French (sfrench@us.ibm.com)
 *
 *   Contains the routines for constructing the SMB PDUs themselves
 *
 *   This library is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Lesser General Public License as published
 *   by the Free Software Foundation; either version 2.1 of the License, or
 *   (at your option) any later version.
 *
 *   This library is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
 *   the GNU Lesser General Public License for more details.
 *
 *   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
 */

 /* SMB/CIFS PDU handling routines here - except for leftovers in connect.c   */
 /* These are mostly routines that operate on a pathname, or on a tree id     */
 /* (mounted volume), but there are eight handle based routines which must be */
 /* treated slightly different for reconnection purposes since we never want  */
 /* to reuse a stale file handle and the caller knows the file handle */

#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/vfs.h>
#include <linux/posix_acl_xattr.h>
#include <asm/uaccess.h>
#include "cifspdu.h"
#include "cifsglob.h"
#include "cifsproto.h"
#include "cifs_unicode.h"
#include "cifs_debug.h"

#ifdef CONFIG_CIFS_POSIX
static struct {
	int index;
	char *name;
} protocols[] = {
	{CIFS_PROT, "\2NT LM 0.12"}, 
	{CIFS_PROT, "\2POSIX 2"},
	{BAD_PROT, "\2"}
};
#else
static struct {
	int index;
	char *name;
} protocols[] = {
	{CIFS_PROT, "\2NT LM 0.12"}, 
	{BAD_PROT, "\2"}
};
#endif


/* Mark as invalid, all open files on tree connections since they
   were closed when session to server was lost */
static void mark_open_files_invalid(struct cifsTconInfo * pTcon)
{
	struct cifsFileInfo *open_file = NULL;
	struct list_head * tmp;
	struct list_head * tmp1;

/* list all files open on tree connection and mark them invalid */
	write_lock(&GlobalSMBSeslock);
	list_for_each_safe(tmp, tmp1, &pTcon->openFileList) {
		open_file = list_entry(tmp,struct cifsFileInfo, tlist);
		if(open_file) {
			open_file->invalidHandle = TRUE;
		}
	}
	write_unlock(&GlobalSMBSeslock);
	/* BB Add call to invalidate_inodes(sb) for all superblocks mounted
	   to this tcon */
}

/* If the return code is zero, this function must fill in request_buf pointer */
static int
small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
	 void **request_buf /* returned */)
{
	int rc = 0;

	/* SMBs NegProt, SessSetup, uLogoff do not have tcon yet so
	   check for tcp and smb session status done differently
	   for those three - in the calling routine */
	if(tcon) {
		if((tcon->ses) && (tcon->ses->status != CifsExiting) &&
				  (tcon->ses->server)){
			struct nls_table *nls_codepage;
				/* Give Demultiplex thread up to 10 seconds to 
				   reconnect, should be greater than cifs socket
				   timeout which is 7 seconds */
			while(tcon->ses->server->tcpStatus == CifsNeedReconnect) {
				wait_event_interruptible_timeout(tcon->ses->server->response_q,
					(tcon->ses->server->tcpStatus == CifsGood), 10 * HZ);
				if(tcon->ses->server->tcpStatus == CifsNeedReconnect) {
					/* on "soft" mounts we wait once */
					if((tcon->retry == FALSE) || 
					   (tcon->ses->status == CifsExiting)) {
						cFYI(1,("gave up waiting on reconnect in smb_init"));
						return -EHOSTDOWN;
					} /* else "hard" mount - keep retrying
					     until process is killed or server
					     comes back on-line */
				} else /* TCP session is reestablished now */
					break;
				 
			}
			
			nls_codepage = load_nls_default();
		/* need to prevent multiple threads trying to
		simultaneously reconnect the same SMB session */
			down(&tcon->ses->sesSem);
			if(tcon->ses->status == CifsNeedReconnect)
				rc = cifs_setup_session(0, tcon->ses, 
							nls_codepage);
			if(!rc && (tcon->tidStatus == CifsNeedReconnect)) {
				mark_open_files_invalid(tcon);
				rc = CIFSTCon(0, tcon->ses, tcon->treeName, tcon
					, nls_codepage);
				up(&tcon->ses->sesSem);
				if(rc == 0)
					atomic_inc(&tconInfoReconnectCount);

				cFYI(1, ("reconnect tcon rc = %d", rc));
				/* Removed call to reopen open files here - 
				   it is safer (and faster) to reopen files
				   one at a time as needed in read and write */

				/* Check if handle based operation so we 
				   know whether we can continue or not without
				   returning to caller to reset file handle */
				switch(smb_command) {
					case SMB_COM_READ_ANDX:
					case SMB_COM_WRITE_ANDX:
					case SMB_COM_CLOSE:
					case SMB_COM_FIND_CLOSE2:
					case SMB_COM_LOCKING_ANDX: {
						unload_nls(nls_codepage);
						return -EAGAIN;
					}
				}
			} else {
				up(&tcon->ses->sesSem);
			}
			unload_nls(nls_codepage);

		} else {
			return -EIO;
		}
	}
	if(rc)
		return rc;

	*request_buf = cifs_small_buf_get();
	if (*request_buf == NULL) {
		/* BB should we add a retry in here if not a writepage? */
		return -ENOMEM;
	}

	header_assemble((struct smb_hdr *) *request_buf, smb_command, tcon,wct);

#ifdef CONFIG_CIFS_STATS
        if(tcon != NULL) {
                atomic_inc(&tcon->num_smbs_sent);
        }
#endif /* CONFIG_CIFS_STATS */
	return rc;
}  

/* If the return code is zero, this function must fill in request_buf pointer */
static int
smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
	 void **request_buf /* returned */ ,
	 void **response_buf /* returned */ )
{
	int rc = 0;

	/* SMBs NegProt, SessSetup, uLogoff do not have tcon yet so
	   check for tcp and smb session status done differently
	   for those three - in the calling routine */
	if(tcon) {
		if((tcon->ses) && (tcon->ses->status != CifsExiting) && 
				  (tcon->ses->server)){
			struct nls_table *nls_codepage;
				/* Give Demultiplex thread up to 10 seconds to
				   reconnect, should be greater than cifs socket
				   timeout which is 7 seconds */
			while(tcon->ses->server->tcpStatus == CifsNeedReconnect) {
				wait_event_interruptible_timeout(tcon->ses->server->response_q,
					(tcon->ses->server->tcpStatus == CifsGood), 10 * HZ);
				if(tcon->ses->server->tcpStatus == 
						CifsNeedReconnect) {
					/* on "soft" mounts we wait once */
					if((tcon->retry == FALSE) || 
					   (tcon->ses->status == CifsExiting)) {
						cFYI(1,("gave up waiting on reconnect in smb_init"));
						return -EHOSTDOWN;
					} /* else "hard" mount - keep retrying
					     until process is killed or server
					     comes on-line */
				} else /* TCP session is reestablished now */
					break;
				 
			}
			
			nls_codepage = load_nls_default();
		/* need to prevent multiple threads trying to
		simultaneously reconnect the same SMB session */
			down(&tcon->ses->sesSem);
			if(tcon->ses->status == CifsNeedReconnect)
				rc = cifs_setup_session(0, tcon->ses, 
							nls_codepage);
			if(!rc && (tcon->tidStatus == CifsNeedReconnect)) {
				mark_open_files_invalid(tcon);
				rc = CIFSTCon(0, tcon->ses, tcon->treeName,
					      tcon, nls_codepage);
				up(&tcon->ses->sesSem);
				if(rc == 0)
					atomic_inc(&tconInfoReconnectCount);

				cFYI(1, ("reconnect tcon rc = %d", rc));
				/* Removed call to reopen open files here - 
				   it is safer (and faster) to reopen files
				   one at a time as needed in read and write */

				/* Check if handle based operation so we 
				   know whether we can continue or not without
				   returning to caller to reset file handle */
				switch(smb_command) {
					case SMB_COM_READ_ANDX:
					case SMB_COM_WRITE_ANDX:
					case SMB_COM_CLOSE:
					case SMB_COM_FIND_CLOSE2:
					case SMB_COM_LOCKING_ANDX: {
						unload_nls(nls_codepage);
						return -EAGAIN;
					}
				}
			} else {
				up(&tcon->ses->sesSem);
			}
			unload_nls(nls_codepage);

		} else {
			return -EIO;
		}
	}
	if(rc)
		return rc;

	*request_buf = cifs_buf_get();
	if (*request_buf == NULL) {
		/* BB should we add a retry in here if not a writepage? */
		return -ENOMEM;
	}
    /* Although the original thought was we needed the response buf for  */
    /* potential retries of smb operations it turns out we can determine */
    /* from the mid flags when the request buffer can be resent without  */
    /* having to use a second distinct buffer for the response */
	*response_buf = *request_buf; 

	header_assemble((struct smb_hdr *) *request_buf, smb_command, tcon,
			wct /*wct */ );

#ifdef CONFIG_CIFS_STATS
        if(tcon != NULL) {
                atomic_inc(&tcon->num_smbs_sent);
        }
#endif /* CONFIG_CIFS_STATS */
	return rc;
}

static int validate_t2(struct smb_t2_rsp * pSMB) 
{
	int rc = -EINVAL;
	int total_size;
	char * pBCC;

	/* check for plausible wct, bcc and t2 data and parm sizes */
	/* check for parm and data offset going beyond end of smb */
	if(pSMB->hdr.WordCount >= 10) {
		if((le16_to_cpu(pSMB->t2_rsp.ParameterOffset) <= 1024) &&
		   (le16_to_cpu(pSMB->t2_rsp.DataOffset) <= 1024)) {
			/* check that bcc is at least as big as parms + data */
			/* check that bcc is less than negotiated smb buffer */
			total_size = le16_to_cpu(pSMB->t2_rsp.ParameterCount);
			if(total_size < 512) {
				total_size+=le16_to_cpu(pSMB->t2_rsp.DataCount);
				/* BCC le converted in SendReceive */
				pBCC = (pSMB->hdr.WordCount * 2) + 
					sizeof(struct smb_hdr) +
					(char *)pSMB;
				if((total_size <= (*(u16 *)pBCC)) && 
				   (total_size < 
					CIFSMaxBufSize+MAX_CIFS_HDR_SIZE)) {
					return 0;
				}
				
			}
		}
	}
	cifs_dump_mem("Invalid transact2 SMB: ",(char *)pSMB,
		sizeof(struct smb_t2_rsp) + 16);
	return rc;
}
int
CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
{
	NEGOTIATE_REQ *pSMB;
	NEGOTIATE_RSP *pSMBr;
	int rc = 0;
	int bytes_returned;
	struct TCP_Server_Info * server;
	u16 count;

	if(ses->server)
		server = ses->server;
	else {
		rc = -EIO;
		return rc;
	}
	rc = smb_init(SMB_COM_NEGOTIATE, 0, NULL /* no tcon yet */ ,
		      (void **) &pSMB, (void **) &pSMBr);
	if (rc)
		return rc;

	pSMB->hdr.Flags2 |= SMBFLG2_UNICODE;
	if (extended_security)
		pSMB->hdr.Flags2 |= SMBFLG2_EXT_SEC;

	count = strlen(protocols[0].name) + 1;
	strncpy(pSMB->DialectsArray, protocols[0].name, 30);	
    /* null guaranteed to be at end of source and target buffers anyway */

	pSMB->hdr.smb_buf_length += count;
	pSMB->ByteCount = cpu_to_le16(count);

	rc = SendReceive(xid, ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc == 0) {
		server->secMode = pSMBr->SecurityMode;	
		server->secType = NTLM; /* BB override default for 
					   NTLMv2 or kerberos v5 */
		/* one byte - no need to convert this or EncryptionKeyLen
		   from little endian */
		server->maxReq = le16_to_cpu(pSMBr->MaxMpxCount);
		/* probably no need to store and check maxvcs */
		server->maxBuf =
			min(le32_to_cpu(pSMBr->MaxBufferSize),
			(__u32) CIFSMaxBufSize + MAX_CIFS_HDR_SIZE);
		server->maxRw = le32_to_cpu(pSMBr->MaxRawSize);
		cFYI(0, ("Max buf = %d ", ses->server->maxBuf));
		GETU32(ses->server->sessid) = le32_to_cpu(pSMBr->SessionKey);
		server->capabilities = le32_to_cpu(pSMBr->Capabilities);
		server->timeZone = le16_to_cpu(pSMBr->ServerTimeZone);	
        /* BB with UTC do we ever need to be using srvr timezone? */
		if (pSMBr->EncryptionKeyLength == CIFS_CRYPTO_KEY_SIZE) {
			memcpy(server->cryptKey, pSMBr->u.EncryptionKey,
			       CIFS_CRYPTO_KEY_SIZE);
		} else if ((pSMBr->hdr.Flags2 & SMBFLG2_EXT_SEC)
			   && (pSMBr->EncryptionKeyLength == 0)) {
			/* decode security blob */
		} else
			rc = -EIO;

		/* BB might be helpful to save off the domain of server here */

		if ((pSMBr->hdr.Flags2 & SMBFLG2_EXT_SEC) && 
			(server->capabilities & CAP_EXTENDED_SECURITY)) {
			count = pSMBr->ByteCount;
			if (count < 16)
				rc = -EIO;
			else if (count == 16) {
				server->secType = RawNTLMSSP;
				if (server->socketUseCount.counter > 1) {
					if (memcmp
						(server->server_GUID,
						pSMBr->u.extended_response.
						GUID, 16) != 0) {
						cFYI(1,
						     ("UID of server does not match previous connection to same ip address"));
						memcpy(server->
							server_GUID,
							pSMBr->u.
							extended_response.
							GUID, 16);
					}
				} else
					memcpy(server->server_GUID,
					       pSMBr->u.extended_response.
					       GUID, 16);
			} else {
				rc = decode_negTokenInit(pSMBr->u.
							 extended_response.
							 SecurityBlob,
							 count - 16,
							 &server->secType);
				if(rc == 1) {
				/* BB Need to fill struct for sessetup here */
					rc = -EOPNOTSUPP;
				} else {
					rc = -EINVAL;
				}
			}
		} else
			server->capabilities &= ~CAP_EXTENDED_SECURITY;
		if(sign_CIFS_PDUs == FALSE) {        
			if(server->secMode & SECMODE_SIGN_REQUIRED)
				cERROR(1,
				 ("Server requires /proc/fs/cifs/PacketSigningEnabled"));
			server->secMode &= ~(SECMODE_SIGN_ENABLED | SECMODE_SIGN_REQUIRED);
		} else if(sign_CIFS_PDUs == 1) {
			if((server->secMode & SECMODE_SIGN_REQUIRED) == 0)
				server->secMode &= ~(SECMODE_SIGN_ENABLED | SECMODE_SIGN_REQUIRED);
		}
				
	}
	if (pSMB)
		cifs_buf_release(pSMB);
	return rc;
}

int
CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon)
{
	struct smb_hdr *smb_buffer;
	struct smb_hdr *smb_buffer_response; /* BB removeme BB */
	int rc = 0;
	int length;

	cFYI(1, ("In tree disconnect"));
	/*
	 *  If last user of the connection and
	 *  connection alive - disconnect it
	 *  If this is the last connection on the server session disconnect it
	 *  (and inside session disconnect we should check if tcp socket needs 
	 *  to be freed and kernel thread woken up).
	 */
	if (tcon)
		down(&tcon->tconSem);
	else
		return -EIO;

	atomic_dec(&tcon->useCount);
	if (atomic_read(&tcon->useCount) > 0) {
		up(&tcon->tconSem);
		return -EBUSY;
	}

	/* No need to return error on this operation if tid invalidated and 
	closed on server already e.g. due to tcp session crashing */
	if(tcon->tidStatus == CifsNeedReconnect) {
		up(&tcon->tconSem);
		return 0;  
	}

	if((tcon->ses == NULL) || (tcon->ses->server == NULL)) {    
		up(&tcon->tconSem);
		return -EIO;
	}
	rc = small_smb_init(SMB_COM_TREE_DISCONNECT, 0, tcon, 
			    (void **)&smb_buffer);
	if (rc) {
		up(&tcon->tconSem);
		return rc;
	} else {
		smb_buffer_response = smb_buffer; /* BB removeme BB */
	}
	rc = SendReceive(xid, tcon->ses, smb_buffer, smb_buffer_response,
			 &length, 0);
	if (rc)
		cFYI(1, ("Tree disconnect failed %d", rc));

	if (smb_buffer)
		cifs_small_buf_release(smb_buffer);
	up(&tcon->tconSem);

	/* No need to return error on this operation if tid invalidated and 
	closed on server already e.g. due to tcp session crashing */
	if (rc == -EAGAIN)
		rc = 0;

	return rc;
}

int
CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses)
{
	struct smb_hdr *smb_buffer_response;
	LOGOFF_ANDX_REQ *pSMB;
	int rc = 0;
	int length;

	cFYI(1, ("In SMBLogoff for session disconnect"));
	if (ses)
		down(&ses->sesSem);
	else
		return -EIO;

	atomic_dec(&ses->inUse);
	if (atomic_read(&ses->inUse) > 0) {
		up(&ses->sesSem);
		return -EBUSY;
	}
	rc = small_smb_init(SMB_COM_LOGOFF_ANDX, 2, NULL, (void **)&pSMB);
	if (rc) {
		up(&ses->sesSem);
		return rc;
	}

	smb_buffer_response = (struct smb_hdr *)pSMB; /* BB removeme BB */
	
	if(ses->server) {
		if(ses->server->secMode & 
		   (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
			pSMB->hdr.Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
	}

	pSMB->hdr.Uid = ses->Suid;

	pSMB->AndXCommand = 0xFF;
	rc = SendReceive(xid, ses, (struct smb_hdr *) pSMB,
			 smb_buffer_response, &length, 0);
	if (ses->server) {
		atomic_dec(&ses->server->socketUseCount);
		if (atomic_read(&ses->server->socketUseCount) == 0) {
			spin_lock(&GlobalMid_Lock);
			ses->server->tcpStatus = CifsExiting;
			spin_unlock(&GlobalMid_Lock);
			rc = -ESHUTDOWN;
		}
	}
	if (pSMB)
		cifs_small_buf_release(pSMB);
	up(&ses->sesSem);

	/* if session dead then we do not need to do ulogoff,
		since server closed smb session, no sense reporting 
		error */
	if (rc == -EAGAIN)
		rc = 0;
	return rc;
}

int
CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon, const char *fileName,
	       const struct nls_table *nls_codepage, int remap)
{
	DELETE_FILE_REQ *pSMB = NULL;
	DELETE_FILE_RSP *pSMBr = NULL;
	int rc = 0;
	int bytes_returned;
	int name_len;

DelFileRetry:
	rc = smb_init(SMB_COM_DELETE, 1, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifsConvertToUCS((__u16 *) pSMB->fileName, fileName, 
				     PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {		/* BB improve check for buffer overruns BB */
		name_len = strnlen(fileName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->fileName, fileName, name_len);
	}
	pSMB->SearchAttributes =
	    cpu_to_le16(ATTR_READONLY | ATTR_HIDDEN | ATTR_SYSTEM);
	pSMB->BufferFormat = 0x04;
	pSMB->hdr.smb_buf_length += name_len + 1;
	pSMB->ByteCount = cpu_to_le16(name_len + 1);
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Error in RMFile = %d", rc));
	} 
#ifdef CONFIG_CIFS_STATS
        else {
		atomic_inc(&tcon->num_deletes);
        }
#endif

	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto DelFileRetry;

	return rc;
}

int
CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon, const char *dirName, 
	     const struct nls_table *nls_codepage, int remap)
{
	DELETE_DIRECTORY_REQ *pSMB = NULL;
	DELETE_DIRECTORY_RSP *pSMBr = NULL;
	int rc = 0;
	int bytes_returned;
	int name_len;

	cFYI(1, ("In CIFSSMBRmDir"));
RmDirRetry:
	rc = smb_init(SMB_COM_DELETE_DIRECTORY, 0, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len = cifsConvertToUCS((__le16 *) pSMB->DirName, dirName,
					 PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {		/* BB improve check for buffer overruns BB */
		name_len = strnlen(dirName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->DirName, dirName, name_len);
	}

	pSMB->BufferFormat = 0x04;
	pSMB->hdr.smb_buf_length += name_len + 1;
	pSMB->ByteCount = cpu_to_le16(name_len + 1);
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Error in RMDir = %d", rc));
	}
#ifdef CONFIG_CIFS_STATS
        else {
		atomic_inc(&tcon->num_rmdirs);
        }
#endif

	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto RmDirRetry;
	return rc;
}

int
CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
	     const char *name, const struct nls_table *nls_codepage, int remap)
{
	int rc = 0;
	CREATE_DIRECTORY_REQ *pSMB = NULL;
	CREATE_DIRECTORY_RSP *pSMBr = NULL;
	int bytes_returned;
	int name_len;

	cFYI(1, ("In CIFSSMBMkDir"));
MkDirRetry:
	rc = smb_init(SMB_COM_CREATE_DIRECTORY, 0, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len = cifsConvertToUCS((__u16 *) pSMB->DirName, name, 
					    PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {		/* BB improve check for buffer overruns BB */
		name_len = strnlen(name, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->DirName, name, name_len);
	}

	pSMB->BufferFormat = 0x04;
	pSMB->hdr.smb_buf_length += name_len + 1;
	pSMB->ByteCount = cpu_to_le16(name_len + 1);
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Error in Mkdir = %d", rc));
	}
#ifdef CONFIG_CIFS_STATS
        else {
		atomic_inc(&tcon->num_mkdirs);
        }
#endif
	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto MkDirRetry;
	return rc;
}

int
CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
	    const char *fileName, const int openDisposition,
	    const int access_flags, const int create_options, __u16 * netfid,
	    int *pOplock, FILE_ALL_INFO * pfile_info, 
	    const struct nls_table *nls_codepage, int remap)
{
	int rc = -EACCES;
	OPEN_REQ *pSMB = NULL;
	OPEN_RSP *pSMBr = NULL;
	int bytes_returned;
	int name_len;
	__u16 count;

openRetry:
	rc = smb_init(SMB_COM_NT_CREATE_ANDX, 24, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	pSMB->AndXCommand = 0xFF;	/* none */

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		count = 1;	/* account for one byte pad to word boundary */
		name_len =
		    cifsConvertToUCS((__u16 *) (pSMB->fileName + 1),
				     fileName, PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
		pSMB->NameLength = cpu_to_le16(name_len);
	} else {		/* BB improve check for buffer overruns BB */
		count = 0;	/* no pad */
		name_len = strnlen(fileName, PATH_MAX);
		name_len++;	/* trailing null */
		pSMB->NameLength = cpu_to_le16(name_len);
		strncpy(pSMB->fileName, fileName, name_len);
	}
	if (*pOplock & REQ_OPLOCK)
		pSMB->OpenFlags = cpu_to_le32(REQ_OPLOCK);
	else if (*pOplock & REQ_BATCHOPLOCK) {
		pSMB->OpenFlags = cpu_to_le32(REQ_BATCHOPLOCK);
	}
	pSMB->DesiredAccess = cpu_to_le32(access_flags);
	pSMB->AllocationSize = 0;
	pSMB->FileAttributes = cpu_to_le32(ATTR_NORMAL);
	/* XP does not handle ATTR_POSIX_SEMANTICS */
	/* but it helps speed up case sensitive checks for other
	servers such as Samba */
	if (tcon->ses->capabilities & CAP_UNIX)
		pSMB->FileAttributes |= cpu_to_le32(ATTR_POSIX_SEMANTICS);

	/* if ((omode & S_IWUGO) == 0)
		pSMB->FileAttributes |= cpu_to_le32(ATTR_READONLY);*/
	/*  Above line causes problems due to vfs splitting create into two
		pieces - need to set mode after file created not while it is
		being created */
	pSMB->ShareAccess = cpu_to_le32(FILE_SHARE_ALL);
	pSMB->CreateDisposition = cpu_to_le32(openDisposition);
	pSMB->CreateOptions = cpu_to_le32(create_options);
	/* BB Expirement with various impersonation levels and verify */
	pSMB->ImpersonationLevel = cpu_to_le32(SECURITY_IMPERSONATION);
	pSMB->SecurityFlags =
	    SECURITY_CONTEXT_TRACKING | SECURITY_EFFECTIVE_ONLY;

	count += name_len;
	pSMB->hdr.smb_buf_length += count;

	pSMB->ByteCount = cpu_to_le16(count);
	/* long_op set to 1 to allow for oplock break timeouts */
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 1);
	if (rc) {
		cFYI(1, ("Error in Open = %d", rc));
	} else {
		*pOplock = pSMBr->OplockLevel; /* 1 byte no need to le_to_cpu */
		*netfid = pSMBr->Fid;	/* cifs fid stays in le */
		/* Let caller know file was created so we can set the mode. */
		/* Do we care about the CreateAction in any other cases? */
		if(cpu_to_le32(FILE_CREATE) == pSMBr->CreateAction)
			*pOplock |= CIFS_CREATE_ACTION; 
		if(pfile_info) {
		    memcpy((char *)pfile_info,(char *)&pSMBr->CreationTime,
			36 /* CreationTime to Attributes */);
		    /* the file_info buf is endian converted by caller */
		    pfile_info->AllocationSize = pSMBr->AllocationSize;
		    pfile_info->EndOfFile = pSMBr->EndOfFile;
		    pfile_info->NumberOfLinks = cpu_to_le32(1);
		}

#ifdef CONFIG_CIFS_STATS
		atomic_inc(&tcon->num_opens);
#endif
	}
	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto openRetry;
	return rc;
}

/* If no buffer passed in, then caller wants to do the copy
	as in the case of readpages so the SMB buffer must be
	freed by the caller */

int
CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
	    const int netfid, const unsigned int count,
	    const __u64 lseek, unsigned int *nbytes, char **buf)
{
	int rc = -EACCES;
	READ_REQ *pSMB = NULL;
	READ_RSP *pSMBr = NULL;
	char *pReadData = NULL;
	int bytes_returned;

	cFYI(1,("Reading %d bytes on fid %d",count,netfid));

	*nbytes = 0;
	rc = smb_init(SMB_COM_READ_ANDX, 12, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	/* tcon and ses pointer are checked in smb_init */
	if (tcon->ses->server == NULL)
		return -ECONNABORTED;

	pSMB->AndXCommand = 0xFF;	/* none */
	pSMB->Fid = netfid;
	pSMB->OffsetLow = cpu_to_le32(lseek & 0xFFFFFFFF);
	pSMB->OffsetHigh = cpu_to_le32(lseek >> 32);
	pSMB->Remaining = 0;
	pSMB->MaxCount = cpu_to_le16(count & 0xFFFF);
	pSMB->MaxCountHigh = cpu_to_le32(count >> 16);
	pSMB->ByteCount = 0;  /* no need to do le conversion since it is 0 */

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cERROR(1, ("Send error in read = %d", rc));
	} else {
		int data_length = le16_to_cpu(pSMBr->DataLengthHigh);
		data_length = data_length << 16;
		data_length += le16_to_cpu(pSMBr->DataLength);
		*nbytes = data_length;

		/*check that DataLength would not go beyond end of SMB */
		if ((data_length > CIFSMaxBufSize) 
				|| (data_length > count)) {
			cFYI(1,("bad length %d for count %d",data_length,count));
			rc = -EIO;
			*nbytes = 0;
		} else {
			pReadData =
			    (char *) (&pSMBr->hdr.Protocol) +
			    le16_to_cpu(pSMBr->DataOffset);
/*			if(rc = copy_to_user(buf, pReadData, data_length)) {
				cERROR(1,("Faulting on read rc = %d",rc));
				rc = -EFAULT;
			}*/ /* can not use copy_to_user when using page cache*/
			if(*buf)
			    memcpy(*buf,pReadData,data_length);
		}
	}
	if(*buf)
		cifs_buf_release(pSMB);
	else
		*buf = (char *)pSMB;

	/* Note: On -EAGAIN error only caller can retry on handle based calls 
		since file handle passed in no longer valid */
	return rc;
}

int
CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
	     const int netfid, const unsigned int count,
	     const __u64 offset, unsigned int *nbytes, const char *buf,
	     const char __user * ubuf, const int long_op)
{
	int rc = -EACCES;
	WRITE_REQ *pSMB = NULL;
	WRITE_RSP *pSMBr = NULL;
	int bytes_returned;
	__u32 bytes_sent;
	__u16 byte_count;

	/* cFYI(1,("write at %lld %d bytes",offset,count));*/
	rc = smb_init(SMB_COM_WRITE_ANDX, 14, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;
	/* tcon and ses pointer are checked in smb_init */
	if (tcon->ses->server == NULL)
		return -ECONNABORTED;

	pSMB->AndXCommand = 0xFF;	/* none */
	pSMB->Fid = netfid;
	pSMB->OffsetLow = cpu_to_le32(offset & 0xFFFFFFFF);
	pSMB->OffsetHigh = cpu_to_le32(offset >> 32);
	pSMB->Reserved = 0xFFFFFFFF;
	pSMB->WriteMode = 0;
	pSMB->Remaining = 0;

	/* Can increase buffer size if buffer is big enough in some cases - ie we 
	can send more if LARGE_WRITE_X capability returned by the server and if
	our buffer is big enough or if we convert to iovecs on socket writes
	and eliminate the copy to the CIFS buffer */
	if(tcon->ses->capabilities & CAP_LARGE_WRITE_X) {
		bytes_sent = min_t(const unsigned int, CIFSMaxBufSize, count);
	} else {
		bytes_sent = (tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE)
			 & ~0xFF;
	}

	if (bytes_sent > count)
		bytes_sent = count;
	pSMB->DataOffset =
	    cpu_to_le16(offsetof(struct smb_com_write_req,Data) - 4);
	if(buf)
	    memcpy(pSMB->Data,buf,bytes_sent);
	else if(ubuf) {
		if(copy_from_user(pSMB->Data,ubuf,bytes_sent)) {
			cifs_buf_release(pSMB);
			return -EFAULT;
		}
	} else {
		/* No buffer */
		cifs_buf_release(pSMB);
		return -EINVAL;
	}

	byte_count = bytes_sent + 1 /* pad */ ; /* BB fix this for sends > 64K */
	pSMB->DataLengthLow = cpu_to_le16(bytes_sent & 0xFFFF);
	pSMB->DataLengthHigh = cpu_to_le16(bytes_sent >> 16);
	pSMB->hdr.smb_buf_length += bytes_sent+1;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, long_op);
	if (rc) {
		cFYI(1, ("Send error in write = %d", rc));
		*nbytes = 0;
	} else {
		*nbytes = le16_to_cpu(pSMBr->CountHigh);
		*nbytes = (*nbytes) << 16;
		*nbytes += le16_to_cpu(pSMBr->Count);
	}

	cifs_buf_release(pSMB);

	/* Note: On -EAGAIN error only caller can retry on handle based calls 
		since file handle passed in no longer valid */

	return rc;
}

#ifdef CONFIG_CIFS_EXPERIMENTAL
int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
	     const int netfid, const unsigned int count,
	     const __u64 offset, unsigned int *nbytes, const char __user *buf,
	     const int long_op)
{
	int rc = -EACCES;
	WRITE_REQ *pSMB = NULL;
	WRITE_RSP *pSMBr = NULL;
	/*int bytes_returned;*/
	unsigned bytes_sent;
	__u16 byte_count;

	rc = small_smb_init(SMB_COM_WRITE_ANDX, 14, tcon, (void **) &pSMB);
    
	if (rc)
		return rc;
	
	pSMBr = (WRITE_RSP *)pSMB; /* BB removeme BB */

	/* tcon and ses pointer are checked in smb_init */
	if (tcon->ses->server == NULL)
		return -ECONNABORTED;

	pSMB->AndXCommand = 0xFF; /* none */
	pSMB->Fid = netfid;
	pSMB->OffsetLow = cpu_to_le32(offset & 0xFFFFFFFF);
	pSMB->OffsetHigh = cpu_to_le32(offset >> 32);
	pSMB->Reserved = 0xFFFFFFFF;
	pSMB->WriteMode = 0;
	pSMB->Remaining = 0;
	bytes_sent = (tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE) & ~0xFF;
	if (bytes_sent > count)
		bytes_sent = count;
	pSMB->DataLengthHigh = 0;
	pSMB->DataOffset =
	    cpu_to_le16(offsetof(struct smb_com_write_req,Data) - 4);

	byte_count = bytes_sent + 1 /* pad */ ;
	pSMB->DataLengthLow = cpu_to_le16(bytes_sent);
	pSMB->DataLengthHigh = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

/*	rc = SendReceive2(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, buf, buflen, &bytes_returned, long_op); */  /* BB fixme BB */
	if (rc) {
		cFYI(1, ("Send error in write2 (large write) = %d", rc));
		*nbytes = 0;
	} else
		*nbytes = le16_to_cpu(pSMBr->Count);

	cifs_small_buf_release(pSMB);

	/* Note: On -EAGAIN error only caller can retry on handle based calls 
		since file handle passed in no longer valid */

	return rc;
}
#endif /* CIFS_EXPERIMENTAL */

int
CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
	    const __u16 smb_file_id, const __u64 len,
	    const __u64 offset, const __u32 numUnlock,
	    const __u32 numLock, const __u8 lockType, const int waitFlag)
{
	int rc = 0;
	LOCK_REQ *pSMB = NULL;
	LOCK_RSP *pSMBr = NULL;
	int bytes_returned;
	int timeout = 0;
	__u16 count;

	cFYI(1, ("In CIFSSMBLock - timeout %d numLock %d",waitFlag,numLock));
	rc = small_smb_init(SMB_COM_LOCKING_ANDX, 8, tcon, (void **) &pSMB);

	if (rc)
		return rc;

	pSMBr = (LOCK_RSP *)pSMB; /* BB removeme BB */

	if(lockType == LOCKING_ANDX_OPLOCK_RELEASE) {
		timeout = -1; /* no response expected */
		pSMB->Timeout = 0;
	} else if (waitFlag == TRUE) {
		timeout = 3;  /* blocking operation, no timeout */
		pSMB->Timeout = cpu_to_le32(-1);/* blocking - do not time out */
	} else {
		pSMB->Timeout = 0;
	}

	pSMB->NumberOfLocks = cpu_to_le16(numLock);
	pSMB->NumberOfUnlocks = cpu_to_le16(numUnlock);
	pSMB->LockType = lockType;
	pSMB->AndXCommand = 0xFF;	/* none */
	pSMB->Fid = smb_file_id; /* netfid stays le */

	if((numLock != 0) || (numUnlock != 0)) {
		pSMB->Locks[0].Pid = cpu_to_le16(current->tgid);
		/* BB where to store pid high? */
		pSMB->Locks[0].LengthLow = cpu_to_le32((u32)len);
		pSMB->Locks[0].LengthHigh = cpu_to_le32((u32)(len>>32));
		pSMB->Locks[0].OffsetLow = cpu_to_le32((u32)offset);
		pSMB->Locks[0].OffsetHigh = cpu_to_le32((u32)(offset>>32));
		count = sizeof(LOCKING_ANDX_RANGE);
	} else {
		/* oplock break */
		count = 0;
	}
	pSMB->hdr.smb_buf_length += count;
	pSMB->ByteCount = cpu_to_le16(count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, timeout);

	if (rc) {
		cFYI(1, ("Send error in Lock = %d", rc));
	}
	cifs_small_buf_release(pSMB);

	/* Note: On -EAGAIN error only caller can retry on handle based calls 
	since file handle passed in no longer valid */
	return rc;
}

int
CIFSSMBClose(const int xid, struct cifsTconInfo *tcon, int smb_file_id)
{
	int rc = 0;
	CLOSE_REQ *pSMB = NULL;
	CLOSE_RSP *pSMBr = NULL;
	int bytes_returned;
	cFYI(1, ("In CIFSSMBClose"));

/* do not retry on dead session on close */
	rc = small_smb_init(SMB_COM_CLOSE, 3, tcon, (void **) &pSMB);
	if(rc == -EAGAIN)
		return 0;
	if (rc)
		return rc;

	pSMBr = (CLOSE_RSP *)pSMB; /* BB removeme BB */

	pSMB->FileID = (__u16) smb_file_id;
	pSMB->LastWriteTime = 0;
	pSMB->ByteCount = 0;
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		if(rc!=-EINTR) {
			/* EINTR is expected when user ctl-c to kill app */
			cERROR(1, ("Send error in Close = %d", rc));
		}
	}

	cifs_small_buf_release(pSMB);

	/* Since session is dead, file will be closed on server already */
	if(rc == -EAGAIN)
		rc = 0;

	return rc;
}

int
CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
	      const char *fromName, const char *toName,
	      const struct nls_table *nls_codepage, int remap)
{
	int rc = 0;
	RENAME_REQ *pSMB = NULL;
	RENAME_RSP *pSMBr = NULL;
	int bytes_returned;
	int name_len, name_len2;
	__u16 count;

	cFYI(1, ("In CIFSSMBRename"));
renameRetry:
	rc = smb_init(SMB_COM_RENAME, 1, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	pSMB->BufferFormat = 0x04;
	pSMB->SearchAttributes =
	    cpu_to_le16(ATTR_READONLY | ATTR_HIDDEN | ATTR_SYSTEM |
			ATTR_DIRECTORY);

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifsConvertToUCS((__u16 *) pSMB->OldFileName, fromName, 
				     PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
		pSMB->OldFileName[name_len] = 0x04;	/* pad */
	/* protocol requires ASCII signature byte on Unicode string */
		pSMB->OldFileName[name_len + 1] = 0x00;
		name_len2 =
		    cifsConvertToUCS((__u16 *) &pSMB->OldFileName[name_len + 2],
				     toName, PATH_MAX, nls_codepage, remap);
		name_len2 += 1 /* trailing null */  + 1 /* Signature word */ ;
		name_len2 *= 2;	/* convert to bytes */
	} else {		/* BB improve the check for buffer overruns BB */
		name_len = strnlen(fromName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->OldFileName, fromName, name_len);
		name_len2 = strnlen(toName, PATH_MAX);
		name_len2++;	/* trailing null */
		pSMB->OldFileName[name_len] = 0x04;  /* 2nd buffer format */
		strncpy(&pSMB->OldFileName[name_len + 1], toName, name_len2);
		name_len2++;	/* trailing null */
		name_len2++;	/* signature byte */
	}

	count = 1 /* 1st signature byte */  + name_len + name_len2;
	pSMB->hdr.smb_buf_length += count;
	pSMB->ByteCount = cpu_to_le16(count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in rename = %d", rc));
	} 

#ifdef CONFIG_CIFS_STATS
	  else {
		atomic_inc(&tcon->num_renames);
	}
#endif

	cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto renameRetry;

	return rc;
}

int CIFSSMBRenameOpenFile(const int xid,struct cifsTconInfo *pTcon, 
		int netfid, char * target_name, 
		const struct nls_table * nls_codepage, int remap)
{
	struct smb_com_transaction2_sfi_req *pSMB  = NULL;
	struct smb_com_transaction2_sfi_rsp *pSMBr = NULL;
	struct set_file_rename * rename_info;
	char *data_offset;
	char dummy_string[30];
	int rc = 0;
	int bytes_returned = 0;
	int len_of_str;
	__u16 params, param_offset, offset, count, byte_count;

	cFYI(1, ("Rename to File by handle"));
	rc = smb_init(SMB_COM_TRANSACTION2, 15, pTcon, (void **) &pSMB,
			(void **) &pSMBr);
	if (rc)
		return rc;

	params = 6;
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4;
	offset = param_offset + params;

	data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
	rename_info = (struct set_file_rename *) data_offset;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(1000); /* BB find max SMB PDU from sess */
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_SET_FILE_INFORMATION);
	byte_count = 3 /* pad */  + params;
	pSMB->ParameterCount = cpu_to_le16(params);
	pSMB->TotalParameterCount = pSMB->ParameterCount;
	pSMB->ParameterOffset = cpu_to_le16(param_offset);
	pSMB->DataOffset = cpu_to_le16(offset);
	/* construct random name ".cifs_tmp<inodenum><mid>" */
	rename_info->overwrite = cpu_to_le32(1);
	rename_info->root_fid  = 0;
	/* unicode only call */
	if(target_name == NULL) {
		sprintf(dummy_string,"cifs%x",pSMB->hdr.Mid);
	        len_of_str = cifsConvertToUCS((__u16 *)rename_info->target_name,
					dummy_string, 24, nls_codepage, remap);
	} else {
		len_of_str = cifsConvertToUCS((__u16 *)rename_info->target_name,
					target_name, PATH_MAX, nls_codepage, remap);
	}
	rename_info->target_name_len = cpu_to_le32(2 * len_of_str);
	count = 12 /* sizeof(struct set_file_rename) */ + (2 * len_of_str) + 2;
	byte_count += count;
	pSMB->DataCount = cpu_to_le16(count);
	pSMB->TotalDataCount = pSMB->DataCount;
	pSMB->Fid = netfid;
	pSMB->InformationLevel =
		cpu_to_le16(SMB_SET_FILE_RENAME_INFORMATION);
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);
	rc = SendReceive(xid, pTcon->ses, (struct smb_hdr *) pSMB,
                         (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1,("Send error in Rename (by file handle) = %d", rc));
	}
#ifdef CONFIG_CIFS_STATS
	  else {
		atomic_inc(&pTcon->num_t2renames);
	}
#endif
	cifs_buf_release(pSMB);

	/* Note: On -EAGAIN error only caller can retry on handle based calls
		since file handle passed in no longer valid */

	return rc;
}

int
CIFSSMBCopy(const int xid, struct cifsTconInfo *tcon, const char * fromName, 
            const __u16 target_tid, const char *toName, const int flags,
            const struct nls_table *nls_codepage, int remap)
{
	int rc = 0;
	COPY_REQ *pSMB = NULL;
	COPY_RSP *pSMBr = NULL;
	int bytes_returned;
	int name_len, name_len2;
	__u16 count;

	cFYI(1, ("In CIFSSMBCopy"));
copyRetry:
	rc = smb_init(SMB_COM_COPY, 1, tcon, (void **) &pSMB,
			(void **) &pSMBr);
	if (rc)
		return rc;

	pSMB->BufferFormat = 0x04;
	pSMB->Tid2 = target_tid;

	pSMB->Flags = cpu_to_le16(flags & COPY_TREE);

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len = cifsConvertToUCS((__u16 *) pSMB->OldFileName, 
					    fromName, PATH_MAX, nls_codepage,
					    remap);
		name_len++;     /* trailing null */
		name_len *= 2;
		pSMB->OldFileName[name_len] = 0x04;     /* pad */
		/* protocol requires ASCII signature byte on Unicode string */
		pSMB->OldFileName[name_len + 1] = 0x00;
		name_len2 = cifsConvertToUCS((__u16 *)&pSMB->OldFileName[name_len + 2], 
				toName, PATH_MAX, nls_codepage, remap);
		name_len2 += 1 /* trailing null */  + 1 /* Signature word */ ;
		name_len2 *= 2; /* convert to bytes */
	} else {                /* BB improve the check for buffer overruns BB */
		name_len = strnlen(fromName, PATH_MAX);
		name_len++;     /* trailing null */
		strncpy(pSMB->OldFileName, fromName, name_len);
		name_len2 = strnlen(toName, PATH_MAX);
		name_len2++;    /* trailing null */
		pSMB->OldFileName[name_len] = 0x04;  /* 2nd buffer format */
		strncpy(&pSMB->OldFileName[name_len + 1], toName, name_len2);
		name_len2++;    /* trailing null */
		name_len2++;    /* signature byte */
	}

	count = 1 /* 1st signature byte */  + name_len + name_len2;
	pSMB->hdr.smb_buf_length += count;
	pSMB->ByteCount = cpu_to_le16(count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
		(struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in copy = %d with %d files copied",
			rc, le16_to_cpu(pSMBr->CopyCount)));
	}
	if (pSMB)
		cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto copyRetry;

	return rc;
}

int
CIFSUnixCreateSymLink(const int xid, struct cifsTconInfo *tcon,
		      const char *fromName, const char *toName,
		      const struct nls_table *nls_codepage)
{
	TRANSACTION2_SPI_REQ *pSMB = NULL;
	TRANSACTION2_SPI_RSP *pSMBr = NULL;
	char *data_offset;
	int name_len;
	int name_len_target;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, param_offset, offset, byte_count;

	cFYI(1, ("In Symlink Unix style"));
createSymLinkRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifs_strtoUCS((wchar_t *) pSMB->FileName, fromName, PATH_MAX
				  /* find define for this maxpathcomponent */
				  , nls_codepage);
		name_len++;	/* trailing null */
		name_len *= 2;

	} else {		/* BB improve the check for buffer overruns BB */
		name_len = strnlen(fromName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->FileName, fromName, name_len);
	}
	params = 6 + name_len;
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	param_offset = offsetof(struct smb_com_transaction2_spi_req,
                                     InformationLevel) - 4;
	offset = param_offset + params;

	data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len_target =
		    cifs_strtoUCS((wchar_t *) data_offset, toName, PATH_MAX
				  /* find define for this maxpathcomponent */
				  , nls_codepage);
		name_len_target++;	/* trailing null */
		name_len_target *= 2;
	} else {		/* BB improve the check for buffer overruns BB */
		name_len_target = strnlen(toName, PATH_MAX);
		name_len_target++;	/* trailing null */
		strncpy(data_offset, toName, name_len_target);
	}

	pSMB->MaxParameterCount = cpu_to_le16(2);
	/* BB find exact max on data count below from sess */
	pSMB->MaxDataCount = cpu_to_le16(1000);
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_INFORMATION);
	byte_count = 3 /* pad */  + params + name_len_target;
	pSMB->DataCount = cpu_to_le16(name_len_target);
	pSMB->ParameterCount = cpu_to_le16(params);
	pSMB->TotalDataCount = pSMB->DataCount;
	pSMB->TotalParameterCount = pSMB->ParameterCount;
	pSMB->ParameterOffset = cpu_to_le16(param_offset);
	pSMB->DataOffset = cpu_to_le16(offset);
	pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_LINK);
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1,
		     ("Send error in SetPathInfo (create symlink) = %d",
		      rc));
	}

	if (pSMB)
		cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto createSymLinkRetry;

	return rc;
}

int
CIFSUnixCreateHardLink(const int xid, struct cifsTconInfo *tcon,
		       const char *fromName, const char *toName,
		       const struct nls_table *nls_codepage, int remap)
{
	TRANSACTION2_SPI_REQ *pSMB = NULL;
	TRANSACTION2_SPI_RSP *pSMBr = NULL;
	char *data_offset;
	int name_len;
	int name_len_target;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, param_offset, offset, byte_count;

	cFYI(1, ("In Create Hard link Unix style"));
createHardLinkRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len = cifsConvertToUCS((__u16 *) pSMB->FileName, toName,
					    PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;

	} else {		/* BB improve the check for buffer overruns BB */
		name_len = strnlen(toName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->FileName, toName, name_len);
	}
	params = 6 + name_len;
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	param_offset = offsetof(struct smb_com_transaction2_spi_req,
                                     InformationLevel) - 4;
	offset = param_offset + params;

	data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len_target =
		    cifsConvertToUCS((__u16 *) data_offset, fromName, PATH_MAX,
				     nls_codepage, remap);
		name_len_target++;	/* trailing null */
		name_len_target *= 2;
	} else {		/* BB improve the check for buffer overruns BB */
		name_len_target = strnlen(fromName, PATH_MAX);
		name_len_target++;	/* trailing null */
		strncpy(data_offset, fromName, name_len_target);
	}

	pSMB->MaxParameterCount = cpu_to_le16(2);
	/* BB find exact max on data count below from sess*/
	pSMB->MaxDataCount = cpu_to_le16(1000);
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_INFORMATION);
	byte_count = 3 /* pad */  + params + name_len_target;
	pSMB->ParameterCount = cpu_to_le16(params);
	pSMB->TotalParameterCount = pSMB->ParameterCount;
	pSMB->DataCount = cpu_to_le16(name_len_target);
	pSMB->TotalDataCount = pSMB->DataCount;
	pSMB->ParameterOffset = cpu_to_le16(param_offset);
	pSMB->DataOffset = cpu_to_le16(offset);
	pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_HLINK);
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in SetPathInfo (hard link) = %d", rc));
	}

	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto createHardLinkRetry;

	return rc;
}

int
CIFSCreateHardLink(const int xid, struct cifsTconInfo *tcon,
		   const char *fromName, const char *toName,
		   const struct nls_table *nls_codepage, int remap)
{
	int rc = 0;
	NT_RENAME_REQ *pSMB = NULL;
	RENAME_RSP *pSMBr = NULL;
	int bytes_returned;
	int name_len, name_len2;
	__u16 count;

	cFYI(1, ("In CIFSCreateHardLink"));
winCreateHardLinkRetry:

	rc = smb_init(SMB_COM_NT_RENAME, 4, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	pSMB->SearchAttributes =
	    cpu_to_le16(ATTR_READONLY | ATTR_HIDDEN | ATTR_SYSTEM |
			ATTR_DIRECTORY);
	pSMB->Flags = cpu_to_le16(CREATE_HARD_LINK);
	pSMB->ClusterCount = 0;

	pSMB->BufferFormat = 0x04;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifsConvertToUCS((__u16 *) pSMB->OldFileName, fromName,
				     PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
		pSMB->OldFileName[name_len] = 0;	/* pad */
		pSMB->OldFileName[name_len + 1] = 0x04; 
		name_len2 =
		    cifsConvertToUCS((__u16 *)&pSMB->OldFileName[name_len + 2], 
				     toName, PATH_MAX, nls_codepage, remap);
		name_len2 += 1 /* trailing null */  + 1 /* Signature word */ ;
		name_len2 *= 2;	/* convert to bytes */
	} else {		/* BB improve the check for buffer overruns BB */
		name_len = strnlen(fromName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->OldFileName, fromName, name_len);
		name_len2 = strnlen(toName, PATH_MAX);
		name_len2++;	/* trailing null */
		pSMB->OldFileName[name_len] = 0x04;	/* 2nd buffer format */
		strncpy(&pSMB->OldFileName[name_len + 1], toName, name_len2);
		name_len2++;	/* trailing null */
		name_len2++;	/* signature byte */
	}

	count = 1 /* string type byte */  + name_len + name_len2;
	pSMB->hdr.smb_buf_length += count;
	pSMB->ByteCount = cpu_to_le16(count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in hard link (NT rename) = %d", rc));
	}
	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto winCreateHardLinkRetry;

	return rc;
}

int
CIFSSMBUnixQuerySymLink(const int xid, struct cifsTconInfo *tcon,
			const unsigned char *searchName,
			char *symlinkinfo, const int buflen,
			const struct nls_table *nls_codepage)
{
/* SMB_QUERY_FILE_UNIX_LINK */
	TRANSACTION2_QPI_REQ *pSMB = NULL;
	TRANSACTION2_QPI_RSP *pSMBr = NULL;
	int rc = 0;
	int bytes_returned;
	int name_len;
	__u16 params, byte_count;

	cFYI(1, ("In QPathSymLinkInfo (Unix) for path %s", searchName));

querySymLinkRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifs_strtoUCS((wchar_t *) pSMB->FileName, searchName, PATH_MAX
				  /* find define for this maxpathcomponent */
				  , nls_codepage);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {		/* BB improve the check for buffer overruns BB */
		name_len = strnlen(searchName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->FileName, searchName, name_len);
	}

	params = 2 /* level */  + 4 /* rsrvd */  + name_len /* incl null */ ;
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	/* BB find exact max data count below from sess structure BB */
	pSMB->MaxDataCount = cpu_to_le16(4000);
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(
        struct smb_com_transaction2_qpi_req ,InformationLevel) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_PATH_INFORMATION);
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_UNIX_LINK);
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in QuerySymLinkInfo = %d", rc));
	} else {
		/* decode response */

		rc = validate_t2((struct smb_t2_rsp *)pSMBr);
		if (rc || (pSMBr->ByteCount < 2))
		/* BB also check enough total bytes returned */
			rc = -EIO;	/* bad smb */
		else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			__u16 count = le16_to_cpu(pSMBr->t2.DataCount);

			if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) {
				name_len = UniStrnlen((wchar_t *) ((char *)
					&pSMBr->hdr.Protocol +data_offset),
					min_t(const int, buflen,count) / 2);
			/* BB FIXME investigate remapping reserved chars here */
				cifs_strfromUCS_le(symlinkinfo,
					(wchar_t *) ((char *)&pSMBr->hdr.Protocol +
						data_offset),
					name_len, nls_codepage);
			} else {
				strncpy(symlinkinfo,
					(char *) &pSMBr->hdr.Protocol + 
						data_offset,
					min_t(const int, buflen, count));
			}
			symlinkinfo[buflen] = 0;
	/* just in case so calling code does not go off the end of buffer */
		}
	}
	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto querySymLinkRetry;
	return rc;
}

int
CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon,
			const unsigned char *searchName,
			char *symlinkinfo, const int buflen,__u16 fid,
			const struct nls_table *nls_codepage)
{
	int rc = 0;
	int bytes_returned;
	int name_len;
	struct smb_com_transaction_ioctl_req * pSMB;
	struct smb_com_transaction_ioctl_rsp * pSMBr;

	cFYI(1, ("In Windows reparse style QueryLink for path %s", searchName));
	rc = smb_init(SMB_COM_NT_TRANSACT, 23, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	pSMB->TotalParameterCount = 0 ;
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le32(2);
	/* BB find exact data count max from sess structure BB */
	pSMB->MaxDataCount = cpu_to_le32(4000);
	pSMB->MaxSetupCount = 4;
	pSMB->Reserved = 0;
	pSMB->ParameterOffset = 0;
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 4;
	pSMB->SubCommand = cpu_to_le16(NT_TRANSACT_IOCTL);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->FunctionCode = cpu_to_le32(FSCTL_GET_REPARSE_POINT);
	pSMB->IsFsctl = 1; /* FSCTL */
	pSMB->IsRootFlag = 0;
	pSMB->Fid = fid; /* file handle always le */
	pSMB->ByteCount = 0;

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in QueryReparseLinkInfo = %d", rc));
	} else {		/* decode response */
		__u32 data_offset = le32_to_cpu(pSMBr->DataOffset);
		__u32 data_count = le32_to_cpu(pSMBr->DataCount);
		if ((pSMBr->ByteCount < 2) || (data_offset > 512))
		/* BB also check enough total bytes returned */
			rc = -EIO;	/* bad smb */
		else {
			if(data_count && (data_count < 2048)) {
				char * end_of_smb = pSMBr->ByteCount + (char *)&pSMBr->ByteCount;

				struct reparse_data * reparse_buf = (struct reparse_data *)
					((char *)&pSMBr->hdr.Protocol + data_offset);
				if((char*)reparse_buf >= end_of_smb) {
					rc = -EIO;
					goto qreparse_out;
				}
				if((reparse_buf->LinkNamesBuf + 
					reparse_buf->TargetNameOffset +
					reparse_buf->TargetNameLen) >
						end_of_smb) {
					cFYI(1,("reparse buf extended beyond SMB"));
					rc = -EIO;
					goto qreparse_out;
				}
				
				if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) {
					name_len = UniStrnlen((wchar_t *)
							(reparse_buf->LinkNamesBuf + 
							reparse_buf->TargetNameOffset),
							min(buflen/2, reparse_buf->TargetNameLen / 2)); 
					cifs_strfromUCS_le(symlinkinfo,
						(wchar_t *) (reparse_buf->LinkNamesBuf + 
						reparse_buf->TargetNameOffset),
						name_len, nls_codepage);
				} else { /* ASCII names */
					strncpy(symlinkinfo,reparse_buf->LinkNamesBuf + 
						reparse_buf->TargetNameOffset, 
						min_t(const int, buflen, reparse_buf->TargetNameLen));
				}
			} else {
				rc = -EIO;
				cFYI(1,("Invalid return data count on get reparse info ioctl"));
			}
			symlinkinfo[buflen] = 0; /* just in case so the caller
					does not go off the end of the buffer */
			cFYI(1,("readlink result - %s ",symlinkinfo));
		}
	}
qreparse_out:
	if (pSMB)
		cifs_buf_release(pSMB);

	/* Note: On -EAGAIN error only caller can retry on handle based calls
		since file handle passed in no longer valid */

	return rc;
}

#ifdef CONFIG_CIFS_POSIX

/*Convert an Access Control Entry from wire format to local POSIX xattr format*/
static void cifs_convert_ace(posix_acl_xattr_entry * ace, struct cifs_posix_ace * cifs_ace)
{
	/* u8 cifs fields do not need le conversion */
	ace->e_perm = (__u16)cifs_ace->cifs_e_perm; 
	ace->e_tag  = (__u16)cifs_ace->cifs_e_tag;
	ace->e_id   = (__u32)le64_to_cpu(cifs_ace->cifs_uid);
	/* cFYI(1,("perm %d tag %d id %d",ace->e_perm,ace->e_tag,ace->e_id)); */

	return;
}

/* Convert ACL from CIFS POSIX wire format to local Linux POSIX ACL xattr */
static int cifs_copy_posix_acl(char * trgt,char * src, const int buflen,
				const int acl_type,const int size_of_data_area)
{
	int size =  0;
	int i;
	__u16 count;
	struct cifs_posix_ace * pACE;
	struct cifs_posix_acl * cifs_acl = (struct cifs_posix_acl *)src;
	posix_acl_xattr_header * local_acl = (posix_acl_xattr_header *)trgt;

	if (le16_to_cpu(cifs_acl->version) != CIFS_ACL_VERSION)
		return -EOPNOTSUPP;

	if(acl_type & ACL_TYPE_ACCESS) {
		count = le16_to_cpu(cifs_acl->access_entry_count);
		pACE = &cifs_acl->ace_array[0];
		size = sizeof(struct cifs_posix_acl);
		size += sizeof(struct cifs_posix_ace) * count;
		/* check if we would go beyond end of SMB */
		if(size_of_data_area < size) {
			cFYI(1,("bad CIFS POSIX ACL size %d vs. %d",size_of_data_area,size));
			return -EINVAL;
		}
	} else if(acl_type & ACL_TYPE_DEFAULT) {
		count = le16_to_cpu(cifs_acl->access_entry_count);
		size = sizeof(struct cifs_posix_acl);
		size += sizeof(struct cifs_posix_ace) * count;
/* skip past access ACEs to get to default ACEs */
		pACE = &cifs_acl->ace_array[count];
		count = le16_to_cpu(cifs_acl->default_entry_count);
		size += sizeof(struct cifs_posix_ace) * count;
		/* check if we would go beyond end of SMB */
		if(size_of_data_area < size)
			return -EINVAL;
	} else {
		/* illegal type */
		return -EINVAL;
	}

	size = posix_acl_xattr_size(count);
	if((buflen == 0) || (local_acl == NULL)) {
		/* used to query ACL EA size */				
	} else if(size > buflen) {
		return -ERANGE;
	} else /* buffer big enough */ {
		local_acl->a_version = POSIX_ACL_XATTR_VERSION;
		for(i = 0;i < count ;i++) {
			cifs_convert_ace(&local_acl->a_entries[i],pACE);
			pACE ++;
		}
	}
	return size;
}

static __u16 convert_ace_to_cifs_ace(struct cifs_posix_ace * cifs_ace,
			const posix_acl_xattr_entry * local_ace)
{
	__u16 rc = 0; /* 0 = ACL converted ok */

	cifs_ace->cifs_e_perm = (__u8)cpu_to_le16(local_ace->e_perm);
	cifs_ace->cifs_e_tag =  (__u8)cpu_to_le16(local_ace->e_tag);
	/* BB is there a better way to handle the large uid? */
	if(local_ace->e_id == -1) {
	/* Probably no need to le convert -1 on any arch but can not hurt */
		cifs_ace->cifs_uid = cpu_to_le64(-1);
	} else 
		cifs_ace->cifs_uid = (__u64)cpu_to_le32(local_ace->e_id);
        /*cFYI(1,("perm %d tag %d id %d",ace->e_perm,ace->e_tag,ace->e_id));*/
	return rc;
}

/* Convert ACL from local Linux POSIX xattr to CIFS POSIX ACL wire format */
static __u16 ACL_to_cifs_posix(char * parm_data,const char * pACL,const int buflen,
		const int acl_type)
{
	__u16 rc = 0;
        struct cifs_posix_acl * cifs_acl = (struct cifs_posix_acl *)parm_data;
        posix_acl_xattr_header * local_acl = (posix_acl_xattr_header *)pACL;
	int count;
	int i;

	if((buflen == 0) || (pACL == NULL) || (cifs_acl == NULL))
		return 0;

	count = posix_acl_xattr_count((size_t)buflen);
	cFYI(1,("setting acl with %d entries from buf of length %d and version of %d",
		count,buflen,local_acl->a_version));
	if(local_acl->a_version != 2) {
		cFYI(1,("unknown POSIX ACL version %d",local_acl->a_version));
		return 0;
	}
	cifs_acl->version = cpu_to_le16(1);
	if(acl_type == ACL_TYPE_ACCESS) 
		cifs_acl->access_entry_count = count;
	else if(acl_type == ACL_TYPE_DEFAULT)
		cifs_acl->default_entry_count = count;
	else {
		cFYI(1,("unknown ACL type %d",acl_type));
		return 0;
	}
	for(i=0;i<count;i++) {
		rc = convert_ace_to_cifs_ace(&cifs_acl->ace_array[i],
					&local_acl->a_entries[i]);
		if(rc != 0) {
			/* ACE not converted */
			break;
		}
	}
	if(rc == 0) {
		rc = (__u16)(count * sizeof(struct cifs_posix_ace));
		rc += sizeof(struct cifs_posix_acl);
		/* BB add check to make sure ACL does not overflow SMB */
	}
	return rc;
}

int
CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
                        const unsigned char *searchName,
                        char *acl_inf, const int buflen, const int acl_type,
                        const struct nls_table *nls_codepage, int remap)
{
/* SMB_QUERY_POSIX_ACL */
	TRANSACTION2_QPI_REQ *pSMB = NULL;
	TRANSACTION2_QPI_RSP *pSMBr = NULL;
	int rc = 0;
	int bytes_returned;
	int name_len;
	__u16 params, byte_count;
                                                                                                                                             
	cFYI(1, ("In GetPosixACL (Unix) for path %s", searchName));

queryAclRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		(void **) &pSMBr);
	if (rc)
		return rc;
                                                                                                                                             
	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
			cifsConvertToUCS((__u16 *) pSMB->FileName, searchName, 
					 PATH_MAX, nls_codepage, remap);
		name_len++;     /* trailing null */
		name_len *= 2;
		pSMB->FileName[name_len] = 0;
		pSMB->FileName[name_len+1] = 0;
	} else {                /* BB improve the check for buffer overruns BB */
		name_len = strnlen(searchName, PATH_MAX);
		name_len++;     /* trailing null */
		strncpy(pSMB->FileName, searchName, name_len);
	}

	params = 2 /* level */  + 4 /* rsrvd */  + name_len /* incl null */ ;
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
        /* BB find exact max data count below from sess structure BB */
	pSMB->MaxDataCount = cpu_to_le16(4000);
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	pSMB->ParameterOffset = cpu_to_le16(
		offsetof(struct smb_com_transaction2_qpi_req ,InformationLevel) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_PATH_INFORMATION);
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_POSIX_ACL);
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
		(struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in Query POSIX ACL = %d", rc));
	} else {
		/* decode response */
 
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);
		if (rc || (pSMBr->ByteCount < 2))
		/* BB also check enough total bytes returned */
			rc = -EIO;      /* bad smb */
		else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			__u16 count = le16_to_cpu(pSMBr->t2.DataCount);
			rc = cifs_copy_posix_acl(acl_inf,
				(char *)&pSMBr->hdr.Protocol+data_offset,
				buflen,acl_type,count);
		}
	}
	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto queryAclRetry;
	return rc;
}

int
CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
                        const unsigned char *fileName,
                        const char *local_acl, const int buflen, 
			const int acl_type,
                        const struct nls_table *nls_codepage, int remap)
{
	struct smb_com_transaction2_spi_req *pSMB = NULL;
	struct smb_com_transaction2_spi_rsp *pSMBr = NULL;
	char *parm_data;
	int name_len;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, byte_count, data_count, param_offset, offset;

	cFYI(1, ("In SetPosixACL (Unix) for path %s", fileName));
setAclRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
                      (void **) &pSMBr);
	if (rc)
		return rc;
	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
			cifsConvertToUCS((__u16 *) pSMB->FileName, fileName, 
				      PATH_MAX, nls_codepage, remap);
		name_len++;     /* trailing null */
		name_len *= 2;
	} else {                /* BB improve the check for buffer overruns BB */
		name_len = strnlen(fileName, PATH_MAX);
		name_len++;     /* trailing null */
		strncpy(pSMB->FileName, fileName, name_len);
	}
	params = 6 + name_len;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(1000); /* BB find max SMB size from sess */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	param_offset = offsetof(struct smb_com_transaction2_spi_req,
                                     InformationLevel) - 4;
	offset = param_offset + params;
	parm_data = ((char *) &pSMB->hdr.Protocol) + offset;
	pSMB->ParameterOffset = cpu_to_le16(param_offset);

	/* convert to on the wire format for POSIX ACL */
	data_count = ACL_to_cifs_posix(parm_data,local_acl,buflen,acl_type);

	if(data_count == 0) {
		rc = -EOPNOTSUPP;
		goto setACLerrorExit;
	}
	pSMB->DataOffset = cpu_to_le16(offset);
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_INFORMATION);
	pSMB->InformationLevel = cpu_to_le16(SMB_SET_POSIX_ACL);
	byte_count = 3 /* pad */  + params + data_count;
	pSMB->DataCount = cpu_to_le16(data_count);
	pSMB->TotalDataCount = pSMB->DataCount;
	pSMB->ParameterCount = cpu_to_le16(params);
	pSMB->TotalParameterCount = pSMB->ParameterCount;
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
                         (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Set POSIX ACL returned %d", rc));
	}

setACLerrorExit:
	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto setAclRetry;
	return rc;
}

/* BB fix tabs in this function FIXME BB */
int
CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
                const int netfid, __u64 * pExtAttrBits, __u64 *pMask)
{
        int rc = 0;
        struct smb_t2_qfi_req *pSMB = NULL;
        struct smb_t2_qfi_rsp *pSMBr = NULL;
        int bytes_returned;
        __u16 params, byte_count;

        cFYI(1,("In GetExtAttr"));
        if(tcon == NULL)
                return -ENODEV;

GetExtAttrRetry:
        rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
                      (void **) &pSMBr);
        if (rc)
                return rc;

        params = 2 /* level */ +2 /* fid */;
        pSMB->t2.TotalDataCount = 0;
        pSMB->t2.MaxParameterCount = cpu_to_le16(4);
        /* BB find exact max data count below from sess structure BB */
        pSMB->t2.MaxDataCount = cpu_to_le16(4000);
        pSMB->t2.MaxSetupCount = 0;
        pSMB->t2.Reserved = 0;
        pSMB->t2.Flags = 0;
        pSMB->t2.Timeout = 0;
        pSMB->t2.Reserved2 = 0;
        pSMB->t2.ParameterOffset = cpu_to_le16(offsetof(struct smb_t2_qfi_req,
			Fid) - 4);
        pSMB->t2.DataCount = 0;
        pSMB->t2.DataOffset = 0;
        pSMB->t2.SetupCount = 1;
        pSMB->t2.Reserved3 = 0;
        pSMB->t2.SubCommand = cpu_to_le16(TRANS2_QUERY_FILE_INFORMATION);
        byte_count = params + 1 /* pad */ ;
        pSMB->t2.TotalParameterCount = cpu_to_le16(params);
        pSMB->t2.ParameterCount = pSMB->t2.TotalParameterCount;
        pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_ATTR_FLAGS);
        pSMB->Pad = 0;
	pSMB->Fid = netfid;
        pSMB->hdr.smb_buf_length += byte_count;
        pSMB->t2.ByteCount = cpu_to_le16(byte_count);

        rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
                (struct smb_hdr *) pSMBr, &bytes_returned, 0);
        if (rc) {
                cFYI(1, ("error %d in GetExtAttr", rc));
        } else {
                /* decode response */
                rc = validate_t2((struct smb_t2_rsp *)pSMBr);
                if (rc || (pSMBr->ByteCount < 2))
                /* BB also check enough total bytes returned */
                        /* If rc should we check for EOPNOSUPP and
                        disable the srvino flag? or in caller? */
                        rc = -EIO;      /* bad smb */
                else {
                        __u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
                        __u16 count = le16_to_cpu(pSMBr->t2.DataCount);
                        struct file_chattr_info * pfinfo;
                        /* BB Do we need a cast or hash here ? */
                        if(count != 16) {
                                cFYI(1, ("Illegal size ret in GetExtAttr"));
                                rc = -EIO;
                                goto GetExtAttrOut;
                        }
                        pfinfo = (struct file_chattr_info *)
                                (data_offset + (char *) &pSMBr->hdr.Protocol);
                        *pExtAttrBits = le64_to_cpu(pfinfo->mode);
			*pMask = le64_to_cpu(pfinfo->mask);
                }
        }
GetExtAttrOut:
        cifs_buf_release(pSMB);
        if (rc == -EAGAIN)
                goto GetExtAttrRetry;
        return rc;
}


#endif /* CONFIG_POSIX */

int
CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
		 const unsigned char *searchName,
		 FILE_ALL_INFO * pFindData,
		 const struct nls_table *nls_codepage, int remap)
{
/* level 263 SMB_QUERY_FILE_ALL_INFO */
	TRANSACTION2_QPI_REQ *pSMB = NULL;
	TRANSACTION2_QPI_RSP *pSMBr = NULL;
	int rc = 0;
	int bytes_returned;
	int name_len;
	__u16 params, byte_count;

/* cFYI(1, ("In QPathInfo path %s", searchName)); */
QPathInfoRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifsConvertToUCS((__u16 *) pSMB->FileName, searchName, 
				     PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {		/* BB improve the check for buffer overruns BB */
		name_len = strnlen(searchName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->FileName, searchName, name_len);
	}

	params = 2 /* level */ + 4 /* reserved */ + name_len /* includes NUL */ ;
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(4000);	/* BB find exact max SMB PDU from sess structure BB */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(
        struct smb_com_transaction2_qpi_req ,InformationLevel) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_PATH_INFORMATION);
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_ALL_INFO);
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in QPathInfo = %d", rc));
	} else {		/* decode response */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);

		if (rc || (pSMBr->ByteCount < 40)) 
			rc = -EIO;	/* bad smb */
		else if (pFindData){
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			memcpy((char *) pFindData,
			       (char *) &pSMBr->hdr.Protocol +
			       data_offset, sizeof (FILE_ALL_INFO));
		} else
		    rc = -ENOMEM;
	}
	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto QPathInfoRetry;

	return rc;
}

int
CIFSSMBUnixQPathInfo(const int xid, struct cifsTconInfo *tcon,
		     const unsigned char *searchName,
		     FILE_UNIX_BASIC_INFO * pFindData,
		     const struct nls_table *nls_codepage, int remap)
{
/* SMB_QUERY_FILE_UNIX_BASIC */
	TRANSACTION2_QPI_REQ *pSMB = NULL;
	TRANSACTION2_QPI_RSP *pSMBr = NULL;
	int rc = 0;
	int bytes_returned = 0;
	int name_len;
	__u16 params, byte_count;

	cFYI(1, ("In QPathInfo (Unix) the path %s", searchName));
UnixQPathInfoRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifsConvertToUCS((__u16 *) pSMB->FileName, searchName,
				  PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {		/* BB improve the check for buffer overruns BB */
		name_len = strnlen(searchName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->FileName, searchName, name_len);
	}

	params = 2 /* level */ + 4 /* reserved */ + name_len /* includes NUL */ ;
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	/* BB find exact max SMB PDU from sess structure BB */
	pSMB->MaxDataCount = cpu_to_le16(4000); 
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(
        struct smb_com_transaction2_qpi_req ,InformationLevel) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_PATH_INFORMATION);
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_UNIX_BASIC);
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in QPathInfo = %d", rc));
	} else {		/* decode response */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);

		if (rc || (pSMBr->ByteCount < sizeof(FILE_UNIX_BASIC_INFO))) {
			rc = -EIO;	/* bad smb */
		} else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			memcpy((char *) pFindData,
			       (char *) &pSMBr->hdr.Protocol +
			       data_offset,
			       sizeof (FILE_UNIX_BASIC_INFO));
		}
	}
	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto UnixQPathInfoRetry;

	return rc;
}

#if 0  /* function unused at present */
int CIFSFindSingle(const int xid, struct cifsTconInfo *tcon,
	       const char *searchName, FILE_ALL_INFO * findData,
	       const struct nls_table *nls_codepage)
{
/* level 257 SMB_ */
	TRANSACTION2_FFIRST_REQ *pSMB = NULL;
	TRANSACTION2_FFIRST_RSP *pSMBr = NULL;
	int rc = 0;
	int bytes_returned;
	int name_len;
	__u16 params, byte_count;

	cFYI(1, ("In FindUnique"));
findUniqueRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifsConvertToUCS((wchar_t *) pSMB->FileName, searchName, PATH_MAX
				  /* find define for this maxpathcomponent */
				  , nls_codepage);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {		/* BB improve the check for buffer overruns BB */
		name_len = strnlen(searchName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->FileName, searchName, name_len);
	}

	params = 12 + name_len /* includes null */ ;
	pSMB->TotalDataCount = 0;	/* no EAs */
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(4000);	/* BB find exact max SMB PDU from sess structure BB */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	pSMB->ParameterOffset = cpu_to_le16(
         offsetof(struct smb_com_transaction2_ffirst_req,InformationLevel) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;	/* one byte, no need to le convert */
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_FIND_FIRST);
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->SearchAttributes =
	    cpu_to_le16(ATTR_READONLY | ATTR_HIDDEN | ATTR_SYSTEM |
			ATTR_DIRECTORY);
	pSMB->SearchCount = cpu_to_le16(16);	/* BB increase */
	pSMB->SearchFlags = cpu_to_le16(1);
	pSMB->InformationLevel = cpu_to_le16(SMB_FIND_FILE_DIRECTORY_INFO);
	pSMB->SearchStorageType = 0;	/* BB what should we set this to? BB */
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);

	if (rc) {
		cFYI(1, ("Send error in FindFileDirInfo = %d", rc));
	} else {		/* decode response */

		/* BB fill in */
	}

	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto findUniqueRetry;

	return rc;
}
#endif /* end unused (temporarily) function */

/* xid, tcon, searchName and codepage are input parms, rest are returned */
int
CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
	      const char *searchName, 
	      const struct nls_table *nls_codepage,
	      __u16 *	pnetfid,
	      struct cifs_search_info * psrch_inf, int remap)
{
/* level 257 SMB_ */
	TRANSACTION2_FFIRST_REQ *pSMB = NULL;
	TRANSACTION2_FFIRST_RSP *pSMBr = NULL;
	T2_FFIRST_RSP_PARMS * parms;
	int rc = 0;
	int bytes_returned = 0;
	int name_len;
	__u16 params, byte_count;

	cFYI(1, ("In FindFirst for %s",searchName));

findFirstRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifsConvertToUCS((__u16 *) pSMB->FileName,searchName,
				 PATH_MAX, nls_codepage, remap);
		/* We can not add the asterik earlier in case
		it got remapped to 0xF03A as if it were part of the
		directory name instead of a wildcard */
		name_len *= 2;
		pSMB->FileName[name_len] = '\\';
		pSMB->FileName[name_len+1] = 0;
		pSMB->FileName[name_len+2] = '*';
		pSMB->FileName[name_len+3] = 0;
		name_len += 4; /* now the trailing null */
		pSMB->FileName[name_len] = 0; /* null terminate just in case */
		pSMB->FileName[name_len+1] = 0;
		name_len += 2;
	} else {	/* BB add check for overrun of SMB buf BB */
		name_len = strnlen(searchName, PATH_MAX);
		name_len++;	/* trailing null */
/* BB fix here and in unicode clause above ie
		if(name_len > buffersize-header)
			free buffer exit; BB */
		strncpy(pSMB->FileName, searchName, name_len);
		pSMB->FileName[name_len] = 0; /* just in case */
	}

	params = 12 + name_len /* includes null */ ;
	pSMB->TotalDataCount = 0;	/* no EAs */
	pSMB->MaxParameterCount = cpu_to_le16(10);
	pSMB->MaxDataCount = cpu_to_le16((tcon->ses->server->maxBuf -
					  MAX_CIFS_HDR_SIZE) & 0xFFFFFF00);
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->ParameterOffset = cpu_to_le16(
	  offsetof(struct smb_com_transaction2_ffirst_req, SearchAttributes) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;	/* one byte, no need to make endian neutral */
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_FIND_FIRST);
	pSMB->SearchAttributes =
	    cpu_to_le16(ATTR_READONLY | ATTR_HIDDEN | ATTR_SYSTEM |
			ATTR_DIRECTORY);
	pSMB->SearchCount= cpu_to_le16(CIFSMaxBufSize/sizeof(FILE_UNIX_INFO));
	pSMB->SearchFlags = cpu_to_le16(CIFS_SEARCH_CLOSE_AT_END | 
		CIFS_SEARCH_RETURN_RESUME);
	pSMB->InformationLevel = cpu_to_le16(psrch_inf->info_level);

	/* BB what should we set StorageType to? Does it matter? BB */
	pSMB->SearchStorageType = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);

	if (rc) {/* BB add logic to retry regular search if Unix search rejected unexpectedly by server */
		/* BB Add code to handle unsupported level rc */
		cFYI(1, ("Error in FindFirst = %d", rc));

		if (pSMB)
			cifs_buf_release(pSMB);

		/* BB eventually could optimize out free and realloc of buf */
		/*    for this case */
		if (rc == -EAGAIN)
			goto findFirstRetry;
	} else { /* decode response */
		/* BB remember to free buffer if error BB */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);
		if(rc == 0) {
			if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE)
				psrch_inf->unicode = TRUE;
			else
				psrch_inf->unicode = FALSE;

			psrch_inf->ntwrk_buf_start = (char *)pSMBr;
			psrch_inf->srch_entries_start = 
				(char *) &pSMBr->hdr.Protocol + 
					le16_to_cpu(pSMBr->t2.DataOffset);
			parms = (T2_FFIRST_RSP_PARMS *)((char *) &pSMBr->hdr.Protocol +
			       le16_to_cpu(pSMBr->t2.ParameterOffset));

			if(parms->EndofSearch)
				psrch_inf->endOfSearch = TRUE;
			else
				psrch_inf->endOfSearch = FALSE;

			psrch_inf->entries_in_buffer  = le16_to_cpu(parms->SearchCount);
			psrch_inf->index_of_last_entry = 
				psrch_inf->entries_in_buffer;
			*pnetfid = parms->SearchHandle;
		} else {
			cifs_buf_release(pSMB);
		}
	}

	return rc;
}

int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
            __u16 searchHandle, struct cifs_search_info * psrch_inf)
{
	TRANSACTION2_FNEXT_REQ *pSMB = NULL;
	TRANSACTION2_FNEXT_RSP *pSMBr = NULL;
	T2_FNEXT_RSP_PARMS * parms;
	char *response_data;
	int rc = 0;
	int bytes_returned, name_len;
	__u16 params, byte_count;

	cFYI(1, ("In FindNext"));

	if(psrch_inf->endOfSearch == TRUE)
		return -ENOENT;

	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		(void **) &pSMBr);
	if (rc)
		return rc;

	params = 14;    /* includes 2 bytes of null string, converted to LE below */
	byte_count = 0;
	pSMB->TotalDataCount = 0;       /* no EAs */
	pSMB->MaxParameterCount = cpu_to_le16(8);
	pSMB->MaxDataCount =
            cpu_to_le16((tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE) & 0xFFFFFF00);
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	pSMB->ParameterOffset =  cpu_to_le16(
	      offsetof(struct smb_com_transaction2_fnext_req,SearchHandle) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_FIND_NEXT);
	pSMB->SearchHandle = searchHandle;      /* always kept as le */
	pSMB->SearchCount =
		cpu_to_le16(CIFSMaxBufSize / sizeof (FILE_UNIX_INFO));
	/* test for Unix extensions */
/*	if (tcon->ses->capabilities & CAP_UNIX) {
		pSMB->InformationLevel = cpu_to_le16(SMB_FIND_FILE_UNIX);
		psrch_inf->info_level = SMB_FIND_FILE_UNIX;
	} else {
		pSMB->InformationLevel =
		   cpu_to_le16(SMB_FIND_FILE_DIRECTORY_INFO);
		psrch_inf->info_level = SMB_FIND_FILE_DIRECTORY_INFO;
	} */
	pSMB->InformationLevel = cpu_to_le16(psrch_inf->info_level);
	pSMB->ResumeKey = psrch_inf->resume_key;
	pSMB->SearchFlags =
	      cpu_to_le16(CIFS_SEARCH_CLOSE_AT_END | CIFS_SEARCH_RETURN_RESUME);

	name_len = psrch_inf->resume_name_len;
	params += name_len;
	if(name_len < PATH_MAX) {
		memcpy(pSMB->ResumeFileName, psrch_inf->presume_name, name_len);
		byte_count += name_len;
	} else {
		rc = -EINVAL;
		goto FNext2_err_exit;
	}
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);
                                                                                              
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			(struct smb_hdr *) pSMBr, &bytes_returned, 0);
                                                                                              
	if (rc) {
		if (rc == -EBADF) {
			psrch_inf->endOfSearch = TRUE;
			rc = 0; /* search probably was closed at end of search above */
		} else
			cFYI(1, ("FindNext returned = %d", rc));
	} else {                /* decode response */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);
		
		if(rc == 0) {
			/* BB fixme add lock for file (srch_info) struct here */
			if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE)
				psrch_inf->unicode = TRUE;
			else
				psrch_inf->unicode = FALSE;
			response_data = (char *) &pSMBr->hdr.Protocol +
			       le16_to_cpu(pSMBr->t2.ParameterOffset);
			parms = (T2_FNEXT_RSP_PARMS *)response_data;
			response_data = (char *)&pSMBr->hdr.Protocol +
				le16_to_cpu(pSMBr->t2.DataOffset);
			cifs_buf_release(psrch_inf->ntwrk_buf_start);
			psrch_inf->srch_entries_start = response_data;
			psrch_inf->ntwrk_buf_start = (char *)pSMB;
			if(parms->EndofSearch)
				psrch_inf->endOfSearch = TRUE;
			else
				psrch_inf->endOfSearch = FALSE;
                                                                                              
			psrch_inf->entries_in_buffer  = le16_to_cpu(parms->SearchCount);
			psrch_inf->index_of_last_entry +=
				psrch_inf->entries_in_buffer;
/*  cFYI(1,("fnxt2 entries in buf %d index_of_last %d",psrch_inf->entries_in_buffer,psrch_inf->index_of_last_entry)); */

			/* BB fixme add unlock here */
		}

	}

	/* BB On error, should we leave previous search buf (and count and
	last entry fields) intact or free the previous one? */

	/* Note: On -EAGAIN error only caller can retry on handle based calls
	since file handle passed in no longer valid */
FNext2_err_exit:
	if (rc != 0)
		cifs_buf_release(pSMB);
                                                                                              
	return rc;
}

int
CIFSFindClose(const int xid, struct cifsTconInfo *tcon, const __u16 searchHandle)
{
	int rc = 0;
	FINDCLOSE_REQ *pSMB = NULL;
	CLOSE_RSP *pSMBr = NULL; /* BB removeme BB */
	int bytes_returned;

	cFYI(1, ("In CIFSSMBFindClose"));
	rc = small_smb_init(SMB_COM_FIND_CLOSE2, 1, tcon, (void **)&pSMB);

	/* no sense returning error if session restarted
		as file handle has been closed */
	if(rc == -EAGAIN)
		return 0;
	if (rc)
		return rc;

	pSMBr = (CLOSE_RSP *)pSMB;  /* BB removeme BB */
	pSMB->FileID = searchHandle;
	pSMB->ByteCount = 0;
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cERROR(1, ("Send error in FindClose = %d", rc));
	}
	cifs_small_buf_release(pSMB);

	/* Since session is dead, search handle closed on server already */
	if (rc == -EAGAIN)
		rc = 0;

	return rc;
}

#ifdef CONFIG_CIFS_EXPERIMENTAL
int
CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
                const unsigned char *searchName,
                __u64 * inode_number,
                const struct nls_table *nls_codepage, int remap)
{
	int rc = 0;
	TRANSACTION2_QPI_REQ *pSMB = NULL;
	TRANSACTION2_QPI_RSP *pSMBr = NULL;
	int name_len, bytes_returned;
	__u16 params, byte_count;

	cFYI(1,("In GetSrvInodeNum for %s",searchName));
	if(tcon == NULL)
		return -ENODEV; 

GetInodeNumberRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
                      (void **) &pSMBr);
	if (rc)
		return rc;


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
			cifsConvertToUCS((__u16 *) pSMB->FileName, searchName,
				PATH_MAX,nls_codepage, remap);
		name_len++;     /* trailing null */
		name_len *= 2;
	} else {                /* BB improve the check for buffer overruns BB */
		name_len = strnlen(searchName, PATH_MAX);
		name_len++;     /* trailing null */
		strncpy(pSMB->FileName, searchName, name_len);
	}

	params = 2 /* level */  + 4 /* rsrvd */  + name_len /* incl null */ ;
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	/* BB find exact max data count below from sess structure BB */
	pSMB->MaxDataCount = cpu_to_le16(4000);
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(
		struct smb_com_transaction2_qpi_req ,InformationLevel) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_PATH_INFORMATION);
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_INTERNAL_INFO);
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
		(struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("error %d in QueryInternalInfo", rc));
	} else {
		/* decode response */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);
		if (rc || (pSMBr->ByteCount < 2))
		/* BB also check enough total bytes returned */
			/* If rc should we check for EOPNOSUPP and
			disable the srvino flag? or in caller? */
			rc = -EIO;      /* bad smb */
                else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			__u16 count = le16_to_cpu(pSMBr->t2.DataCount);
			struct file_internal_info * pfinfo;
			/* BB Do we need a cast or hash here ? */
			if(count < 8) {
				cFYI(1, ("Illegal size ret in QryIntrnlInf"));
				rc = -EIO;
				goto GetInodeNumOut;
			}
			pfinfo = (struct file_internal_info *)
				(data_offset + (char *) &pSMBr->hdr.Protocol);
			*inode_number = pfinfo->UniqueId;
		}
	}
GetInodeNumOut:
	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto GetInodeNumberRetry;
	return rc;
}
#endif /* CIFS_EXPERIMENTAL */

int
CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
		const unsigned char *searchName,
		unsigned char **targetUNCs,
		unsigned int *number_of_UNC_in_array,
		const struct nls_table *nls_codepage, int remap)
{
/* TRANS2_GET_DFS_REFERRAL */
	TRANSACTION2_GET_DFS_REFER_REQ *pSMB = NULL;
	TRANSACTION2_GET_DFS_REFER_RSP *pSMBr = NULL;
	struct dfs_referral_level_3 * referrals = NULL;
	int rc = 0;
	int bytes_returned;
	int name_len;
	unsigned int i;
	char * temp;
	__u16 params, byte_count;
	*number_of_UNC_in_array = 0;
	*targetUNCs = NULL;

	cFYI(1, ("In GetDFSRefer the path %s", searchName));
	if (ses == NULL)
		return -ENODEV;
getDFSRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, NULL, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	pSMB->hdr.Tid = ses->ipc_tid;
	pSMB->hdr.Uid = ses->Suid;
	if (ses->capabilities & CAP_STATUS32) {
		pSMB->hdr.Flags2 |= SMBFLG2_ERR_STATUS;
	}
	if (ses->capabilities & CAP_DFS) {
		pSMB->hdr.Flags2 |= SMBFLG2_DFS;
	}

	if (ses->capabilities & CAP_UNICODE) {
		pSMB->hdr.Flags2 |= SMBFLG2_UNICODE;
		name_len =
		    cifsConvertToUCS((__u16 *) pSMB->RequestFileName,
				     searchName, PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {		/* BB improve the check for buffer overruns BB */
		name_len = strnlen(searchName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->RequestFileName, searchName, name_len);
	}

	params = 2 /* level */  + name_len /*includes null */ ;
	pSMB->TotalDataCount = 0;
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->MaxParameterCount = 0;
	pSMB->MaxDataCount = cpu_to_le16(4000);	/* BB find exact max SMB PDU from sess structure BB */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(
        struct smb_com_transaction2_get_dfs_refer_req, MaxReferralLevel) - 4);
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_GET_DFS_REFERRAL);
	byte_count = params + 3 /* pad */ ;
	pSMB->ParameterCount = cpu_to_le16(params);
	pSMB->TotalParameterCount = pSMB->ParameterCount;
	pSMB->MaxReferralLevel = cpu_to_le16(3);
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in GetDFSRefer = %d", rc));
	} else {		/* decode response */
/* BB Add logic to parse referrals here */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);

		if (rc || (pSMBr->ByteCount < 17))      /* BB also check enough total bytes returned */
			rc = -EIO;      /* bad smb */
		else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset); 
			__u16 data_count = le16_to_cpu(pSMBr->t2.DataCount);

			cFYI(1,
			     ("Decoding GetDFSRefer response.  BCC: %d  Offset %d",
			      pSMBr->ByteCount, data_offset));
			referrals = 
			    (struct dfs_referral_level_3 *) 
					(8 /* sizeof start of data block */ +
					data_offset +
					(char *) &pSMBr->hdr.Protocol); 
			cFYI(1,("num_referrals: %d dfs flags: 0x%x ... \nfor referral one refer size: 0x%x srv type: 0x%x refer flags: 0x%x ttl: 0x%x",
				le16_to_cpu(pSMBr->NumberOfReferrals),le16_to_cpu(pSMBr->DFSFlags), le16_to_cpu(referrals->ReferralSize),le16_to_cpu(referrals->ServerType),le16_to_cpu(referrals->ReferralFlags),le16_to_cpu(referrals->TimeToLive)));
			/* BB This field is actually two bytes in from start of
			   data block so we could do safety check that DataBlock
			   begins at address of pSMBr->NumberOfReferrals */
			*number_of_UNC_in_array = le16_to_cpu(pSMBr->NumberOfReferrals);

			/* BB Fix below so can return more than one referral */
			if(*number_of_UNC_in_array > 1)
				*number_of_UNC_in_array = 1;

			/* get the length of the strings describing refs */
			name_len = 0;
			for(i=0;i<*number_of_UNC_in_array;i++) {
				/* make sure that DfsPathOffset not past end */
				__u16 offset = le16_to_cpu(referrals->DfsPathOffset);
				if (offset > data_count) {
					/* if invalid referral, stop here and do 
					not try to copy any more */
					*number_of_UNC_in_array = i;
					break;
				} 
				temp = ((char *)referrals) + offset;

				if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) {
					name_len += UniStrnlen((wchar_t *)temp,data_count);
				} else {
					name_len += strnlen(temp,data_count);
				}
				referrals++;
				/* BB add check that referral pointer does not fall off end PDU */
				
			}
			/* BB add check for name_len bigger than bcc */
			*targetUNCs = 
				kmalloc(name_len+1+ (*number_of_UNC_in_array),GFP_KERNEL);
			if(*targetUNCs == NULL) {
				rc = -ENOMEM;
				goto GetDFSRefExit;
			}
			/* copy the ref strings */
			referrals =  
			    (struct dfs_referral_level_3 *) 
					(8 /* sizeof data hdr */ +
					data_offset + 
					(char *) &pSMBr->hdr.Protocol);

			for(i=0;i<*number_of_UNC_in_array;i++) {
				temp = ((char *)referrals) + le16_to_cpu(referrals->DfsPathOffset);
				if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) {
					cifs_strfromUCS_le(*targetUNCs,
						(wchar_t *) temp, name_len, nls_codepage);
				} else {
					strncpy(*targetUNCs,temp,name_len);
				}
				/*  BB update target_uncs pointers */
				referrals++;
			}
			temp = *targetUNCs;
			temp[name_len] = 0;
		}

	}
GetDFSRefExit:
	if (pSMB)
		cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto getDFSRetry;

	return rc;
}

int
CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon, struct kstatfs *FSData)
{
/* level 0x103 SMB_QUERY_FILE_SYSTEM_INFO */
	TRANSACTION2_QFSI_REQ *pSMB = NULL;
	TRANSACTION2_QFSI_RSP *pSMBr = NULL;
	FILE_SYSTEM_INFO *response_data;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, byte_count;

	cFYI(1, ("In QFSInfo"));
QFSInfoRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	params = 2;	/* level */
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(1000);	/* BB find exact max SMB PDU from sess structure BB */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(
        struct smb_com_transaction2_qfsi_req, InformationLevel) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FS_SIZE_INFO);
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cERROR(1, ("Send error in QFSInfo = %d", rc));
	} else {		/* decode response */
                rc = validate_t2((struct smb_t2_rsp *)pSMBr);

		if (rc || (pSMBr->ByteCount < 24)) /* BB alsO CHEck enough total bytes returned */
			rc = -EIO;	/* bad smb */
		else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			cFYI(1,
				("Decoding qfsinfo response.  BCC: %d  Offset %d",
				pSMBr->ByteCount, data_offset));

			response_data =
			    (FILE_SYSTEM_INFO
			     *) (((char *) &pSMBr->hdr.Protocol) +
				 data_offset);
			FSData->f_bsize =
			    le32_to_cpu(response_data->BytesPerSector) *
			    le32_to_cpu(response_data->
					SectorsPerAllocationUnit);
			FSData->f_blocks =
			    le64_to_cpu(response_data->TotalAllocationUnits);
			FSData->f_bfree = FSData->f_bavail =
			    le64_to_cpu(response_data->FreeAllocationUnits);
			cFYI(1,
			     ("Blocks: %lld  Free: %lld Block size %ld",
			      (unsigned long long)FSData->f_blocks,
			      (unsigned long long)FSData->f_bfree,
			      FSData->f_bsize));
		}
	}
	cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto QFSInfoRetry;

	return rc;
}

int
CIFSSMBQFSAttributeInfo(const int xid, struct cifsTconInfo *tcon)
{
/* level 0x105  SMB_QUERY_FILE_SYSTEM_INFO */
	TRANSACTION2_QFSI_REQ *pSMB = NULL;
	TRANSACTION2_QFSI_RSP *pSMBr = NULL;
	FILE_SYSTEM_ATTRIBUTE_INFO *response_data;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, byte_count;

	cFYI(1, ("In QFSAttributeInfo"));
QFSAttributeRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	params = 2;	/* level */
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(1000);	/* BB find exact max SMB PDU from sess structure BB */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(
        struct smb_com_transaction2_qfsi_req, InformationLevel) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FS_ATTRIBUTE_INFO);
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cERROR(1, ("Send error in QFSAttributeInfo = %d", rc));
	} else {		/* decode response */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);

		if (rc || (pSMBr->ByteCount < 13)) {	/* BB also check enough bytes returned */
			rc = -EIO;	/* bad smb */
		} else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			response_data =
			    (FILE_SYSTEM_ATTRIBUTE_INFO
			     *) (((char *) &pSMBr->hdr.Protocol) +
				 data_offset);
			memcpy(&tcon->fsAttrInfo, response_data,
			       sizeof (FILE_SYSTEM_ATTRIBUTE_INFO));
		}
	}
	cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto QFSAttributeRetry;

	return rc;
}

int
CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon)
{
/* level 0x104 SMB_QUERY_FILE_SYSTEM_INFO */
	TRANSACTION2_QFSI_REQ *pSMB = NULL;
	TRANSACTION2_QFSI_RSP *pSMBr = NULL;
	FILE_SYSTEM_DEVICE_INFO *response_data;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, byte_count;

	cFYI(1, ("In QFSDeviceInfo"));
QFSDeviceRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	params = 2;	/* level */
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(1000);	/* BB find exact max SMB PDU from sess structure BB */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(
        struct smb_com_transaction2_qfsi_req, InformationLevel) - 4);

	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FS_DEVICE_INFO);
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in QFSDeviceInfo = %d", rc));
	} else {		/* decode response */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);

		if (rc || (pSMBr->ByteCount < sizeof (FILE_SYSTEM_DEVICE_INFO)))
			rc = -EIO;	/* bad smb */
		else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			response_data =
			    (FILE_SYSTEM_DEVICE_INFO *)
				(((char *) &pSMBr->hdr.Protocol) +
				 data_offset);
			memcpy(&tcon->fsDevInfo, response_data,
			       sizeof (FILE_SYSTEM_DEVICE_INFO));
		}
	}
	cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto QFSDeviceRetry;

	return rc;
}

int
CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon)
{
/* level 0x200  SMB_QUERY_CIFS_UNIX_INFO */
	TRANSACTION2_QFSI_REQ *pSMB = NULL;
	TRANSACTION2_QFSI_RSP *pSMBr = NULL;
	FILE_SYSTEM_UNIX_INFO *response_data;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, byte_count;

	cFYI(1, ("In QFSUnixInfo"));
QFSUnixRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	params = 2;	/* level */
	pSMB->TotalDataCount = 0;
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(100);	/* BB find exact max SMB PDU from sess structure BB */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	byte_count = params + 1 /* pad */ ;
	pSMB->ParameterCount = cpu_to_le16(params);
	pSMB->TotalParameterCount = pSMB->ParameterCount;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(struct 
        smb_com_transaction2_qfsi_req, InformationLevel) - 4);
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_CIFS_UNIX_INFO);
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cERROR(1, ("Send error in QFSUnixInfo = %d", rc));
	} else {		/* decode response */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);

		if (rc || (pSMBr->ByteCount < 13)) {
			rc = -EIO;	/* bad smb */
		} else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			response_data =
			    (FILE_SYSTEM_UNIX_INFO
			     *) (((char *) &pSMBr->hdr.Protocol) +
				 data_offset);
			memcpy(&tcon->fsUnixInfo, response_data,
			       sizeof (FILE_SYSTEM_UNIX_INFO));
		}
	}
	cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto QFSUnixRetry;


	return rc;
}


int
CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
		   struct kstatfs *FSData)
{
/* level 0x201  SMB_QUERY_CIFS_POSIX_INFO */
	TRANSACTION2_QFSI_REQ *pSMB = NULL;
	TRANSACTION2_QFSI_RSP *pSMBr = NULL;
	FILE_SYSTEM_POSIX_INFO *response_data;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, byte_count;

	cFYI(1, ("In QFSPosixInfo"));
QFSPosixRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	params = 2;	/* level */
	pSMB->TotalDataCount = 0;
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(100);	/* BB find exact max SMB PDU from sess structure BB */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	byte_count = params + 1 /* pad */ ;
	pSMB->ParameterCount = cpu_to_le16(params);
	pSMB->TotalParameterCount = pSMB->ParameterCount;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(struct 
        smb_com_transaction2_qfsi_req, InformationLevel) - 4);
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_POSIX_FS_INFO);
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in QFSUnixInfo = %d", rc));
	} else {		/* decode response */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);

		if (rc || (pSMBr->ByteCount < 13)) {
			rc = -EIO;	/* bad smb */
		} else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			response_data =
			    (FILE_SYSTEM_POSIX_INFO
			     *) (((char *) &pSMBr->hdr.Protocol) +
				 data_offset);
			FSData->f_bsize =
					le32_to_cpu(response_data->BlockSize);
			FSData->f_blocks =
					le64_to_cpu(response_data->TotalBlocks);
			FSData->f_bfree =
			    le64_to_cpu(response_data->BlocksAvail);
			if(response_data->UserBlocksAvail == -1) {
				FSData->f_bavail = FSData->f_bfree;
			} else {
				FSData->f_bavail =
					le64_to_cpu(response_data->UserBlocksAvail);
			}
			if(response_data->TotalFileNodes != -1)
				FSData->f_files =
					le64_to_cpu(response_data->TotalFileNodes);
			if(response_data->FreeFileNodes != -1)
				FSData->f_ffree =
					le64_to_cpu(response_data->FreeFileNodes);
		}
	}
	cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto QFSPosixRetry;

	return rc;
}


/* We can not use write of zero bytes trick to 
   set file size due to need for large file support.  Also note that 
   this SetPathInfo is preferred to SetFileInfo based method in next 
   routine which is only needed to work around a sharing violation bug
   in Samba which this routine can run into */

int
CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon, const char *fileName,
	      __u64 size, int SetAllocation, 
	      const struct nls_table *nls_codepage, int remap)
{
	struct smb_com_transaction2_spi_req *pSMB = NULL;
	struct smb_com_transaction2_spi_rsp *pSMBr = NULL;
	struct file_end_of_file_info *parm_data;
	int name_len;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, byte_count, data_count, param_offset, offset;

	cFYI(1, ("In SetEOF"));
SetEOFRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifsConvertToUCS((__u16 *) pSMB->FileName, fileName,
				     PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {		/* BB improve the check for buffer overruns BB */
		name_len = strnlen(fileName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->FileName, fileName, name_len);
	}
	params = 6 + name_len;
	data_count = sizeof (struct file_end_of_file_info);
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(1000);	/* BB find max SMB size from sess */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	param_offset = offsetof(struct smb_com_transaction2_spi_req,
                                     InformationLevel) - 4;
	offset = param_offset + params;
	if(SetAllocation) {
        	if (tcon->ses->capabilities & CAP_INFOLEVEL_PASSTHRU)
	            pSMB->InformationLevel =
                	cpu_to_le16(SMB_SET_FILE_ALLOCATION_INFO2);
        	else
	            pSMB->InformationLevel =
        	        cpu_to_le16(SMB_SET_FILE_ALLOCATION_INFO);
	} else /* Set File Size */  {    
	    if (tcon->ses->capabilities & CAP_INFOLEVEL_PASSTHRU)
		    pSMB->InformationLevel =
		        cpu_to_le16(SMB_SET_FILE_END_OF_FILE_INFO2);
	    else
		    pSMB->InformationLevel =
		        cpu_to_le16(SMB_SET_FILE_END_OF_FILE_INFO);
	}

	parm_data =
	    (struct file_end_of_file_info *) (((char *) &pSMB->hdr.Protocol) +
				       offset);
	pSMB->ParameterOffset = cpu_to_le16(param_offset);
	pSMB->DataOffset = cpu_to_le16(offset);
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_INFORMATION);
	byte_count = 3 /* pad */  + params + data_count;
	pSMB->DataCount = cpu_to_le16(data_count);
	pSMB->TotalDataCount = pSMB->DataCount;
	pSMB->ParameterCount = cpu_to_le16(params);
	pSMB->TotalParameterCount = pSMB->ParameterCount;
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	parm_data->FileSize = cpu_to_le64(size);
	pSMB->ByteCount = cpu_to_le16(byte_count);
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("SetPathInfo (file size) returned %d", rc));
	}

	cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto SetEOFRetry;

	return rc;
}

int
CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon, __u64 size, 
                   __u16 fid, __u32 pid_of_opener, int SetAllocation)
{
	struct smb_com_transaction2_sfi_req *pSMB  = NULL;
	struct smb_com_transaction2_sfi_rsp *pSMBr = NULL;
	char *data_offset;
	struct file_end_of_file_info *parm_data;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, param_offset, offset, byte_count, count;

	cFYI(1, ("SetFileSize (via SetFileInfo) %lld",
			(long long)size));
	rc = small_smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB);

	if (rc)
		return rc;

	pSMBr = (struct smb_com_transaction2_sfi_rsp *)pSMB;

	pSMB->hdr.Pid = cpu_to_le16((__u16)pid_of_opener);
	pSMB->hdr.PidHigh = cpu_to_le16((__u16)(pid_of_opener >> 16));
    
	params = 6;
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4;
	offset = param_offset + params;

	data_offset = (char *) (&pSMB->hdr.Protocol) + offset;	

	count = sizeof(struct file_end_of_file_info);
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(1000);	/* BB find max SMB PDU from sess */
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_SET_FILE_INFORMATION);
	byte_count = 3 /* pad */  + params + count;
	pSMB->DataCount = cpu_to_le16(count);
	pSMB->ParameterCount = cpu_to_le16(params);
	pSMB->TotalDataCount = pSMB->DataCount;
	pSMB->TotalParameterCount = pSMB->ParameterCount;
	pSMB->ParameterOffset = cpu_to_le16(param_offset);
	parm_data =
		(struct file_end_of_file_info *) (((char *) &pSMB->hdr.Protocol) +
			offset);
	pSMB->DataOffset = cpu_to_le16(offset);
	parm_data->FileSize = cpu_to_le64(size);
	pSMB->Fid = fid;
	if(SetAllocation) {
		if (tcon->ses->capabilities & CAP_INFOLEVEL_PASSTHRU)
			pSMB->InformationLevel =
				cpu_to_le16(SMB_SET_FILE_ALLOCATION_INFO2);
		else
			pSMB->InformationLevel =
				cpu_to_le16(SMB_SET_FILE_ALLOCATION_INFO);
	} else /* Set File Size */  {    
	    if (tcon->ses->capabilities & CAP_INFOLEVEL_PASSTHRU)
		    pSMB->InformationLevel =
		        cpu_to_le16(SMB_SET_FILE_END_OF_FILE_INFO2);
	    else
		    pSMB->InformationLevel =
		        cpu_to_le16(SMB_SET_FILE_END_OF_FILE_INFO);
	}
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1,
		     ("Send error in SetFileInfo (SetFileSize) = %d",
		      rc));
	}

	if (pSMB)
		cifs_small_buf_release(pSMB);

	/* Note: On -EAGAIN error only caller can retry on handle based calls 
		since file handle passed in no longer valid */

	return rc;
}

/* Some legacy servers such as NT4 require that the file times be set on 
   an open handle, rather than by pathname - this is awkward due to
   potential access conflicts on the open, but it is unavoidable for these
   old servers since the only other choice is to go from 100 nanosecond DCE
   time and resort to the original setpathinfo level which takes the ancient
   DOS time format with 2 second granularity */
int
CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon, const FILE_BASIC_INFO * data, 
                   __u16 fid)
{
	struct smb_com_transaction2_sfi_req *pSMB  = NULL;
	struct smb_com_transaction2_sfi_rsp *pSMBr = NULL;
	char *data_offset;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, param_offset, offset, byte_count, count;

	cFYI(1, ("Set Times (via SetFileInfo)"));
	rc = small_smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB);

	if (rc)
		return rc;

	pSMBr = (struct smb_com_transaction2_sfi_rsp *)pSMB;

	/* At this point there is no need to override the current pid
	with the pid of the opener, but that could change if we someday
	use an existing handle (rather than opening one on the fly) */
	/* pSMB->hdr.Pid = cpu_to_le16((__u16)pid_of_opener);
	pSMB->hdr.PidHigh = cpu_to_le16((__u16)(pid_of_opener >> 16));*/
    
	params = 6;
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4;
	offset = param_offset + params;

	data_offset = (char *) (&pSMB->hdr.Protocol) + offset; 

	count = sizeof (FILE_BASIC_INFO);
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(1000);	/* BB find max SMB PDU from sess */
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_SET_FILE_INFORMATION);
	byte_count = 3 /* pad */  + params + count;
	pSMB->DataCount = cpu_to_le16(count);
	pSMB->ParameterCount = cpu_to_le16(params);
	pSMB->TotalDataCount = pSMB->DataCount;
	pSMB->TotalParameterCount = pSMB->ParameterCount;
	pSMB->ParameterOffset = cpu_to_le16(param_offset);
	pSMB->DataOffset = cpu_to_le16(offset);
	pSMB->Fid = fid;
	if (tcon->ses->capabilities & CAP_INFOLEVEL_PASSTHRU)
		pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_BASIC_INFO2);
	else
		pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_BASIC_INFO);
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);
	memcpy(data_offset,data,sizeof(FILE_BASIC_INFO));
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1,("Send error in Set Time (SetFileInfo) = %d",rc));
	}

	cifs_small_buf_release(pSMB);

	/* Note: On -EAGAIN error only caller can retry on handle based calls 
		since file handle passed in no longer valid */

	return rc;
}


int
CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon, const char *fileName,
		const FILE_BASIC_INFO * data, 
		const struct nls_table *nls_codepage, int remap)
{
	TRANSACTION2_SPI_REQ *pSMB = NULL;
	TRANSACTION2_SPI_RSP *pSMBr = NULL;
	int name_len;
	int rc = 0;
	int bytes_returned = 0;
	char *data_offset;
	__u16 params, param_offset, offset, byte_count, count;

	cFYI(1, ("In SetTimes"));

SetTimesRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifsConvertToUCS((__u16 *) pSMB->FileName, fileName,
				     PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {		/* BB improve the check for buffer overruns BB */
		name_len = strnlen(fileName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->FileName, fileName, name_len);
	}

	params = 6 + name_len;
	count = sizeof (FILE_BASIC_INFO);
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(1000);	/* BB find exact max SMB PDU from sess structure BB */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	param_offset = offsetof(struct smb_com_transaction2_spi_req,
                                     InformationLevel) - 4;
	offset = param_offset + params;
	data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
	pSMB->ParameterOffset = cpu_to_le16(param_offset);
	pSMB->DataOffset = cpu_to_le16(offset);
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_INFORMATION);
	byte_count = 3 /* pad */  + params + count;

	pSMB->DataCount = cpu_to_le16(count);
	pSMB->ParameterCount = cpu_to_le16(params);
	pSMB->TotalDataCount = pSMB->DataCount;
	pSMB->TotalParameterCount = pSMB->ParameterCount;
	if (tcon->ses->capabilities & CAP_INFOLEVEL_PASSTHRU)
		pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_BASIC_INFO2);
	else
		pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_BASIC_INFO);
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	memcpy(data_offset, data, sizeof (FILE_BASIC_INFO));
	pSMB->ByteCount = cpu_to_le16(byte_count);
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("SetPathInfo (times) returned %d", rc));
	}

	cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto SetTimesRetry;

	return rc;
}

/* Can not be used to set time stamps yet (due to old DOS time format) */
/* Can be used to set attributes */
#if 0  /* Possibly not needed - since it turns out that strangely NT4 has a bug
	  handling it anyway and NT4 was what we thought it would be needed for
	  Do not delete it until we prove whether needed for Win9x though */
int
CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon, char *fileName,
		__u16 dos_attrs, const struct nls_table *nls_codepage)
{
	SETATTR_REQ *pSMB = NULL;
	SETATTR_RSP *pSMBr = NULL;
	int rc = 0;
	int bytes_returned;
	int name_len;

	cFYI(1, ("In SetAttrLegacy"));

SetAttrLgcyRetry:
	rc = smb_init(SMB_COM_SETATTR, 8, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
			ConvertToUCS((wchar_t *) pSMB->fileName, fileName, 
				PATH_MAX, nls_codepage);
		name_len++;     /* trailing null */
		name_len *= 2;
	} else {                /* BB improve the check for buffer overruns BB */
		name_len = strnlen(fileName, PATH_MAX);
		name_len++;     /* trailing null */
		strncpy(pSMB->fileName, fileName, name_len);
	}
	pSMB->attr = cpu_to_le16(dos_attrs);
	pSMB->BufferFormat = 0x04;
	pSMB->hdr.smb_buf_length += name_len + 1;
	pSMB->ByteCount = cpu_to_le16(name_len + 1);
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Error in LegacySetAttr = %d", rc));
	}

	cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto SetAttrLgcyRetry;

	return rc;
}
#endif /* temporarily unneeded SetAttr legacy function */

int
CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *tcon,
		    char *fileName, __u64 mode, __u64 uid, __u64 gid, 
		    dev_t device, const struct nls_table *nls_codepage, 
		    int remap)
{
	TRANSACTION2_SPI_REQ *pSMB = NULL;
	TRANSACTION2_SPI_RSP *pSMBr = NULL;
	int name_len;
	int rc = 0;
	int bytes_returned = 0;
	FILE_UNIX_BASIC_INFO *data_offset;
	__u16 params, param_offset, offset, count, byte_count;

	cFYI(1, ("In SetUID/GID/Mode"));
setPermsRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifsConvertToUCS((__u16 *) pSMB->FileName, fileName, 
				     PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {		/* BB improve the check for buffer overruns BB */
		name_len = strnlen(fileName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->FileName, fileName, name_len);
	}

	params = 6 + name_len;
	count = sizeof (FILE_UNIX_BASIC_INFO);
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(1000);	/* BB find exact max SMB PDU from sess structure BB */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	param_offset = offsetof(struct smb_com_transaction2_spi_req,
                                     InformationLevel) - 4;
	offset = param_offset + params;
	data_offset =
	    (FILE_UNIX_BASIC_INFO *) ((char *) &pSMB->hdr.Protocol +
				      offset);
	memset(data_offset, 0, count);
	pSMB->DataOffset = cpu_to_le16(offset);
	pSMB->ParameterOffset = cpu_to_le16(param_offset);
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_INFORMATION);
	byte_count = 3 /* pad */  + params + count;
	pSMB->ParameterCount = cpu_to_le16(params);
	pSMB->DataCount = cpu_to_le16(count);
	pSMB->TotalParameterCount = pSMB->ParameterCount;
	pSMB->TotalDataCount = pSMB->DataCount;
	pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_BASIC);
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	data_offset->Uid = cpu_to_le64(uid);
	data_offset->Gid = cpu_to_le64(gid);
	/* better to leave device as zero when it is  */
	data_offset->DevMajor = cpu_to_le64(MAJOR(device));
	data_offset->DevMinor = cpu_to_le64(MINOR(device));
	data_offset->Permissions = cpu_to_le64(mode);
    
	if(S_ISREG(mode))
		data_offset->Type = cpu_to_le32(UNIX_FILE);
	else if(S_ISDIR(mode))
		data_offset->Type = cpu_to_le32(UNIX_DIR);
	else if(S_ISLNK(mode))
		data_offset->Type = cpu_to_le32(UNIX_SYMLINK);
	else if(S_ISCHR(mode))
		data_offset->Type = cpu_to_le32(UNIX_CHARDEV);
	else if(S_ISBLK(mode))
		data_offset->Type = cpu_to_le32(UNIX_BLOCKDEV);
	else if(S_ISFIFO(mode))
		data_offset->Type = cpu_to_le32(UNIX_FIFO);
	else if(S_ISSOCK(mode))
		data_offset->Type = cpu_to_le32(UNIX_SOCKET);


	pSMB->ByteCount = cpu_to_le16(byte_count);
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("SetPathInfo (perms) returned %d", rc));
	}

	if (pSMB)
		cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto setPermsRetry;
	return rc;
}

int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon, 
			const int notify_subdirs, const __u16 netfid,
			__u32 filter, const struct nls_table *nls_codepage)
{
	int rc = 0;
	struct smb_com_transaction_change_notify_req * pSMB = NULL;
	struct smb_com_transaction_change_notify_rsp * pSMBr = NULL;
	int bytes_returned;

	cFYI(1, ("In CIFSSMBNotify for file handle %d",(int)netfid));
	rc = smb_init(SMB_COM_NT_TRANSACT, 23, tcon, (void **) &pSMB,
                      (void **) &pSMBr);
	if (rc)
		return rc;

	pSMB->TotalParameterCount = 0 ;
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le32(2);
	/* BB find exact data count max from sess structure BB */
	pSMB->MaxDataCount = 0; /* same in little endian or be */
	pSMB->MaxSetupCount = 4;
	pSMB->Reserved = 0;
	pSMB->ParameterOffset = 0;
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 4; /* single byte does not need le conversion */
	pSMB->SubCommand = cpu_to_le16(NT_TRANSACT_NOTIFY_CHANGE);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	if(notify_subdirs)
		pSMB->WatchTree = 1; /* one byte - no le conversion needed */
	pSMB->Reserved2 = 0;
	pSMB->CompletionFilter = cpu_to_le32(filter);
	pSMB->Fid = netfid; /* file handle always le */
	pSMB->ByteCount = 0;

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			(struct smb_hdr *) pSMBr, &bytes_returned, -1);
	if (rc) {
		cFYI(1, ("Error in Notify = %d", rc));
	}
	cifs_buf_release(pSMB);
	return rc;	
}
#ifdef CONFIG_CIFS_XATTR
ssize_t
CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
		 const unsigned char *searchName,
		 char * EAData, size_t buf_size,
		 const struct nls_table *nls_codepage, int remap)
{
		/* BB assumes one setup word */
	TRANSACTION2_QPI_REQ *pSMB = NULL;
	TRANSACTION2_QPI_RSP *pSMBr = NULL;
	int rc = 0;
	int bytes_returned;
	int name_len;
	struct fea * temp_fea;
	char * temp_ptr;
	__u16 params, byte_count;

	cFYI(1, ("In Query All EAs path %s", searchName));
QAllEAsRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifsConvertToUCS((wchar_t *) pSMB->FileName, searchName, 
				     PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {	/* BB improve the check for buffer overruns BB */
		name_len = strnlen(searchName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->FileName, searchName, name_len);
	}

	params = 2 /* level */ + 4 /* reserved */ + name_len /* includes NUL */ ;
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(4000);	/* BB find exact max SMB PDU from sess structure BB */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(
        struct smb_com_transaction2_qpi_req ,InformationLevel) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_PATH_INFORMATION);
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->InformationLevel = cpu_to_le16(SMB_INFO_QUERY_ALL_EAS);
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in QueryAllEAs = %d", rc));
	} else {		/* decode response */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);

		/* BB also check enough total bytes returned */
		/* BB we need to improve the validity checking
		of these trans2 responses */
		if (rc || (pSMBr->ByteCount < 4)) 
			rc = -EIO;	/* bad smb */
	   /* else if (pFindData){
			memcpy((char *) pFindData,
			       (char *) &pSMBr->hdr.Protocol +
			       data_offset, kl);
		}*/ else {
			/* check that length of list is not more than bcc */
			/* check that each entry does not go beyond length
			   of list */
			/* check that each element of each entry does not
			   go beyond end of list */
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			struct fealist * ea_response_data;
			rc = 0;
			/* validate_trans2_offsets() */
			/* BB to check if(start of smb + data_offset > &bcc+ bcc)*/
			ea_response_data = (struct fealist *)
				(((char *) &pSMBr->hdr.Protocol) +
				data_offset);
			name_len = le32_to_cpu(ea_response_data->list_len);
			cFYI(1,("ea length %d", name_len));
			if(name_len <= 8) {
			/* returned EA size zeroed at top of function */
				cFYI(1,("empty EA list returned from server"));
			} else {
				/* account for ea list len */
				name_len -= 4;
				temp_fea = ea_response_data->list;
				temp_ptr = (char *)temp_fea;
				while(name_len > 0) {
					__u16 value_len;
					name_len -= 4;
					temp_ptr += 4;
					rc += temp_fea->name_len;
				/* account for prefix user. and trailing null */
					rc = rc + 5 + 1; 
					if(rc<(int)buf_size) {
						memcpy(EAData,"user.",5);
						EAData+=5;
						memcpy(EAData,temp_ptr,temp_fea->name_len);
						EAData+=temp_fea->name_len;
						/* null terminate name */
						*EAData = 0;
						EAData = EAData + 1;
					} else if(buf_size == 0) {
						/* skip copy - calc size only */
					} else {
						/* stop before overrun buffer */
						rc = -ERANGE;
						break;
					}
					name_len -= temp_fea->name_len;
					temp_ptr += temp_fea->name_len;
					/* account for trailing null */
					name_len--;
					temp_ptr++;
					value_len = le16_to_cpu(temp_fea->value_len);
					name_len -= value_len;
					temp_ptr += value_len;
					/* BB check that temp_ptr is still within smb BB*/
				/* no trailing null to account for in value len */
					/* go on to next EA */
					temp_fea = (struct fea *)temp_ptr;
				}
			}
		}
	}
	if (pSMB)
		cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto QAllEAsRetry;

	return (ssize_t)rc;
}

ssize_t CIFSSMBQueryEA(const int xid,struct cifsTconInfo * tcon,
		const unsigned char * searchName,const unsigned char * ea_name,
		unsigned char * ea_value, size_t buf_size, 
		const struct nls_table *nls_codepage, int remap)
{
	TRANSACTION2_QPI_REQ *pSMB = NULL;
	TRANSACTION2_QPI_RSP *pSMBr = NULL;
	int rc = 0;
	int bytes_returned;
	int name_len;
	struct fea * temp_fea;
	char * temp_ptr;
	__u16 params, byte_count;

	cFYI(1, ("In Query EA path %s", searchName));
QEARetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifsConvertToUCS((__u16 *) pSMB->FileName, searchName, 
				     PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {	/* BB improve the check for buffer overruns BB */
		name_len = strnlen(searchName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->FileName, searchName, name_len);
	}

	params = 2 /* level */ + 4 /* reserved */ + name_len /* includes NUL */ ;
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(4000);	/* BB find exact max SMB PDU from sess structure BB */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(
        struct smb_com_transaction2_qpi_req ,InformationLevel) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_PATH_INFORMATION);
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->InformationLevel = cpu_to_le16(SMB_INFO_QUERY_ALL_EAS);
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("Send error in Query EA = %d", rc));
	} else {		/* decode response */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);

		/* BB also check enough total bytes returned */
		/* BB we need to improve the validity checking
		of these trans2 responses */
		if (rc || (pSMBr->ByteCount < 4)) 
			rc = -EIO;	/* bad smb */
	   /* else if (pFindData){
			memcpy((char *) pFindData,
			       (char *) &pSMBr->hdr.Protocol +
			       data_offset, kl);
		}*/ else {
			/* check that length of list is not more than bcc */
			/* check that each entry does not go beyond length
			   of list */
			/* check that each element of each entry does not
			   go beyond end of list */
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			struct fealist * ea_response_data;
			rc = -ENODATA;
			/* validate_trans2_offsets() */
			/* BB to check if(start of smb + data_offset > &bcc+ bcc)*/
			ea_response_data = (struct fealist *)
				(((char *) &pSMBr->hdr.Protocol) +
				data_offset);
			name_len = le32_to_cpu(ea_response_data->list_len);
			cFYI(1,("ea length %d", name_len));
			if(name_len <= 8) {
			/* returned EA size zeroed at top of function */
				cFYI(1,("empty EA list returned from server"));
			} else {
				/* account for ea list len */
				name_len -= 4;
				temp_fea = ea_response_data->list;
				temp_ptr = (char *)temp_fea;
				/* loop through checking if we have a matching
				name and then return the associated value */
				while(name_len > 0) {
					__u16 value_len;
					name_len -= 4;
					temp_ptr += 4;
					value_len = le16_to_cpu(temp_fea->value_len);
				/* BB validate that value_len falls within SMB, 
				even though maximum for name_len is 255 */ 
					if(memcmp(temp_fea->name,ea_name,
						  temp_fea->name_len) == 0) {
						/* found a match */
						rc = value_len;
				/* account for prefix user. and trailing null */
						if(rc<=(int)buf_size) {
							memcpy(ea_value,
								temp_fea->name+temp_fea->name_len+1,
								rc);
							/* ea values, unlike ea names,
							are not null terminated */
						} else if(buf_size == 0) {
						/* skip copy - calc size only */
						} else {
							/* stop before overrun buffer */
							rc = -ERANGE;
						}
						break;
					}
					name_len -= temp_fea->name_len;
					temp_ptr += temp_fea->name_len;
					/* account for trailing null */
					name_len--;
					temp_ptr++;
					name_len -= value_len;
					temp_ptr += value_len;
				/* no trailing null to account for in value len */
					/* go on to next EA */
					temp_fea = (struct fea *)temp_ptr;
				}
			} 
		}
	}
	if (pSMB)
		cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto QEARetry;

	return (ssize_t)rc;
}

int
CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon, const char *fileName,
		const char * ea_name, const void * ea_value, 
		const __u16 ea_value_len, const struct nls_table *nls_codepage,
		int remap)
{
	struct smb_com_transaction2_spi_req *pSMB = NULL;
	struct smb_com_transaction2_spi_rsp *pSMBr = NULL;
	struct fealist *parm_data;
	int name_len;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, param_offset, byte_count, offset, count;

	cFYI(1, ("In SetEA"));
SetEARetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
		name_len =
		    cifsConvertToUCS((__u16 *) pSMB->FileName, fileName, 
				     PATH_MAX, nls_codepage, remap);
		name_len++;	/* trailing null */
		name_len *= 2;
	} else {		/* BB improve the check for buffer overruns BB */
		name_len = strnlen(fileName, PATH_MAX);
		name_len++;	/* trailing null */
		strncpy(pSMB->FileName, fileName, name_len);
	}

	params = 6 + name_len;

	/* done calculating parms using name_len of file name,
	now use name_len to calculate length of ea name
	we are going to create in the inode xattrs */
	if(ea_name == NULL)
		name_len = 0;
	else
		name_len = strnlen(ea_name,255);

	count = sizeof(*parm_data) + ea_value_len + name_len + 1;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(1000);	/* BB find max SMB size from sess */
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	param_offset = offsetof(struct smb_com_transaction2_spi_req,
                                     InformationLevel) - 4;
	offset = param_offset + params;
	pSMB->InformationLevel =
		cpu_to_le16(SMB_SET_FILE_EA);

	parm_data =
		(struct fealist *) (((char *) &pSMB->hdr.Protocol) +
				       offset);
	pSMB->ParameterOffset = cpu_to_le16(param_offset);
	pSMB->DataOffset = cpu_to_le16(offset);
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_SET_PATH_INFORMATION);
	byte_count = 3 /* pad */  + params + count;
	pSMB->DataCount = cpu_to_le16(count);
	parm_data->list_len = cpu_to_le32(count);
	parm_data->list[0].EA_flags = 0;
	/* we checked above that name len is less than 255 */
	parm_data->list[0].name_len = (__u8)name_len;;
	/* EA names are always ASCII */
	if(ea_name)
		strncpy(parm_data->list[0].name,ea_name,name_len);
	parm_data->list[0].name[name_len] = 0;
	parm_data->list[0].value_len = cpu_to_le16(ea_value_len);
	/* caller ensures that ea_value_len is less than 64K but
	we need to ensure that it fits within the smb */

	/*BB add length check that it would fit in negotiated SMB buffer size BB */
	/* if(ea_value_len > buffer_size - 512 (enough for header)) */
	if(ea_value_len)
		memcpy(parm_data->list[0].name+name_len+1,ea_value,ea_value_len);

	pSMB->TotalDataCount = pSMB->DataCount;
	pSMB->ParameterCount = cpu_to_le16(params);
	pSMB->TotalParameterCount = pSMB->ParameterCount;
	pSMB->Reserved4 = 0;
	pSMB->hdr.smb_buf_length += byte_count;
	pSMB->ByteCount = cpu_to_le16(byte_count);
	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, ("SetPathInfo (EA) returned %d", rc));
	}

	cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto SetEARetry;

	return rc;
}

#endif