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 /* Get the server for the specified dentry */
  18 #define server_from_dentry(dentry) &dentry->d_sb->u.smbfs_sb
  19 #define SB_of(server) ((struct super_block *) ((char *)(server) - \
  20         (unsigned long)(&((struct super_block *)0)->u.smbfs_sb)))
  21
  22 struct smb_sb_info {
  23         enum smb_conn_state state;
  24         struct file * sock_file;
  25
  26         struct smb_mount_data *mnt;
  27         unsigned char *temp_buf;
  28
  29         /* Connections are counted. Each time a new socket arrives,
  30          * generation is incremented.
  31          */
  32         unsigned int generation;
  33         pid_t conn_pid;
  34         struct smb_conn_opt opt;
  35
  36         struct semaphore sem;
  37         wait_queue_head_t wait;
  38
  39         __u32              packet_size;
  40         unsigned char *    packet;
  41         unsigned short     rcls; /* The error codes we received */
  42         unsigned short     err;
  43
  44         /* We use our on data_ready callback, but need the original one */
  45         void *data_ready;
  46 };
  47
  48 #endif /* __KERNEL__ */
  49
  50 #endif