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/*
* smb_fs_sb.h
*
* Copyright (C) 1995 by Paal-Kr. Engstad and Volker Lendecke
* Copyright (C) 1997 by Volker Lendecke
*
*/
#ifndef _SMB_FS_SB
#define _SMB_FS_SB
#ifdef __KERNEL__
#include <linux/types.h>
#include <linux/smb.h>
/* structure access macros */
#define server_from_inode(inode) (&(inode)->i_sb->u.smbfs_sb)
#define server_from_dentry(dentry) (&(dentry)->d_sb->u.smbfs_sb)
#define SB_of(server) ((struct super_block *) ((char *)(server) - \
(unsigned long)(&((struct super_block *)0)->u.smbfs_sb)))
struct smb_sb_info {
enum smb_conn_state state;
struct file * sock_file;
struct smb_mount_data_kernel *mnt;
unsigned char *temp_buf;
/* Connections are counted. Each time a new socket arrives,
* generation is incremented.
*/
unsigned int generation;
pid_t conn_pid;
struct smb_conn_opt opt;
struct semaphore sem;
wait_queue_head_t wait;
__u32 packet_size;
unsigned char * packet;
unsigned short rcls; /* The error codes we received */
unsigned short err;
/* We use our own data_ready callback, but need the original one */
void *data_ready;
/* nls pointers for codepage conversions */
struct nls_table *remote_nls;
struct nls_table *local_nls;
/* utf8 can make strings longer so we can't do in-place conversion.
This is a buffer for temporary stuff. We only need one so no need
to put it on the stack. This points to temp_buf space. */
char *name_buf;
int (*convert)(char *, int, const char *, int,
struct nls_table *, struct nls_table *);
};
static inline void
smb_lock_server(struct smb_sb_info *server)
{
down(&(server->sem));
}
static inline void
smb_unlock_server(struct smb_sb_info *server)
{
up(&(server->sem));
}
#endif /* __KERNEL__ */
#endif
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