linux-imx

/*

 *   fs/cifs/cifsproto.h

 *

 *   Copyright (c) International Business Machines  Corp., 2002,2008

 *   Author(s): Steve French (sfrench@us.ibm.com)

 *

 *   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

 */

#ifndef _CIFSPROTO_H

#define _CIFSPROTO_H

#include <linux/nls.h>

#include "trace.h"

#ifdef CONFIG_CIFS_DFS_UPCALL

#include "dfs_cache.h"

#endif

​

struct statfs;

struct smb_vol;

struct smb_rqst;

​

/*

 *****************************************************************

 * All Prototypes

 *****************************************************************

 */

​

extern struct smb_hdr *cifs_buf_get(void);

extern void cifs_buf_release(void *);

extern struct smb_hdr *cifs_small_buf_get(void);

extern void cifs_small_buf_release(void *);

extern void free_rsp_buf(int, void *);

extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,

            unsigned int /* length */);

extern unsigned int _get_xid(void);

extern void _free_xid(unsigned int);

#define get_xid()                       \

({                              \

    unsigned int __xid = _get_xid();                \

    cifs_dbg(FYI, "CIFS VFS: in %s as Xid: %u with uid: %d\n",  \

         __func__, __xid,                   \

         from_kuid(&init_user_ns, current_fsuid()));        \

    trace_smb3_enter(__xid, __func__);          \

    __xid;                          \

})

​

#define free_xid(curr_xid)                  \

do {                                \

    _free_xid(curr_xid);                    \

    cifs_dbg(FYI, "CIFS VFS: leaving %s (xid = %u) rc = %d\n",  \

         __func__, curr_xid, (int)rc);          \

    if (rc)                         \

        trace_smb3_exit_err(curr_xid, __func__, (int)rc);   \

    else                            \

        trace_smb3_exit_done(curr_xid, __func__);   \

} while (0)

extern int init_cifs_idmap(void);

extern void exit_cifs_idmap(void);

extern int init_cifs_spnego(void);

extern void exit_cifs_spnego(void);

extern char *build_path_from_dentry(struct dentry *);

extern char *build_path_from_dentry_optional_prefix(struct dentry *direntry,

                            bool prefix);

extern char *cifs_build_path_to_root(struct smb_vol *vol,

                     struct cifs_sb_info *cifs_sb,

                     struct cifs_tcon *tcon,

                     int add_treename);

extern char *build_wildcard_path_from_dentry(struct dentry *direntry);

extern char *cifs_compose_mount_options(const char *sb_mountdata,

        const char *fullpath, const struct dfs_info3_param *ref,

        char **devname);

/* extern void renew_parental_timestamps(struct dentry *direntry);*/

extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,

                    struct TCP_Server_Info *server);

extern void DeleteMidQEntry(struct mid_q_entry *midEntry);

extern void cifs_delete_mid(struct mid_q_entry *mid);

extern void cifs_mid_q_entry_release(struct mid_q_entry *midEntry);

extern void cifs_wake_up_task(struct mid_q_entry *mid);

extern int cifs_handle_standard(struct TCP_Server_Info *server,

                struct mid_q_entry *mid);

extern int cifs_discard_remaining_data(struct TCP_Server_Info *server);