include/linux/smb_fs_sb.h

   1 /*
   2  *  smb_fs_sb.h
   3  *
   4  *  Copyright (C) 1995 by Paal-Kr. Engstad and Volker Lendecke
   5  *  Copyright (C) 1997 by Volker Lendecke
   6  *
   7  */
   8
   9 #ifndef _SMB_FS_SB
  10 #define _SMB_FS_SB
  11
  12 #ifdef __KERNEL__
  13
  14 #include <linux/types.h>
  15 #include <linux/smb.h>
  16
  17 /* structure access macros */
  18 #define server_from_inode(inode) (&(inode)->i_sb->u.smbfs_sb)
  19 #define server_from_dentry(dentry) (&(dentry)->d_sb->u.smbfs_sb)
  20 #define SB_of(server) ((struct super_block *) ((char *)(server) - \
  21         (unsigned long)(&((struct super_block *)0)->u.smbfs_sb)))
  22
  23 struct smb_sb_info {
  24         enum smb_conn_state state;
  25         struct file * sock_file;
  26
  27         struct smb_mount_data_kernel *mnt;
  28         unsigned char *temp_buf;
  29
  30         /* Connections are counted. Each time a new socket arrives,
  31          * generation is incremented.
  32          */
  33         unsigned int generation;
  34         pid_t conn_pid;
  35         struct smb_conn_opt opt;
  36
  37         struct semaphore sem;
  38         wait_queue_head_t wait;
  39
  40         __u32              packet_size;
  41         unsigned char *    packet;
  42         unsigned short     rcls; /* The error codes we received */
  43         unsigned short     err;
  44
  45         /* We use our own data_ready callback, but need the original one */
  46         void *data_ready;
  47
  48         /* nls pointers for codepage conversions */
  49         struct nls_table *remote_nls;
  50         struct nls_table *local_nls;
  51
  52         /* utf8 can make strings longer so we can't do in-place conversion.
  53            This is a buffer for temporary stuff. We only need one so no need
  54            to put it on the stack. This points to temp_buf space. */
  55         char *name_buf;
  56
  57         int (*convert)(char *, int, const char *, int,
  58                        struct nls_table *, struct nls_table *);
  59 };
  60
  61 #endif /* __KERNEL__ */
  62
  63 #endif