4 * Copyright (C) 1995 by Paal-Kr. Engstad and Volker Lendecke
5 * Copyright (C) 1997 by Volker Lendecke
12 #include <linux/types.h>
13 #include <linux/backing-dev.h>
14 #include <linux/smb.h>
17 * Upper limit on the total number of active smb_request structs.
19 #define MAX_REQUEST_HARD 256
21 enum smb_receive_state {
22 SMB_RECV_START, /* No data read, looking for length + sig */
23 SMB_RECV_HEADER, /* Reading the header data */
24 SMB_RECV_HCOMPLETE, /* Done with the header */
25 SMB_RECV_PARAM, /* Reading parameter words */
26 SMB_RECV_DATA, /* Reading data bytes */
27 SMB_RECV_END, /* End of request */
28 SMB_RECV_DROP, /* Dropping this SMB */
29 SMB_RECV_REQUEST, /* Received a request and not a reply */
32 /* structure access macros */
33 #define server_from_inode(inode) SMB_SB((inode)->i_sb)
34 #define server_from_dentry(dentry) SMB_SB((dentry)->d_sb)
35 #define SB_of(server) ((server)->super_block)
38 /* List of all smbfs superblocks */
39 struct list_head entry;
41 enum smb_conn_state state;
42 struct file * sock_file;
44 enum smb_receive_state rstate;
47 struct list_head xmitq;
48 struct list_head recvq;
51 struct smb_mount_data_kernel *mnt;
53 /* Connections are counted. Each time a new socket arrives,
54 * generation is incremented.
56 unsigned int generation;
58 struct smb_conn_opt opt;
59 wait_queue_head_t conn_wq;
63 unsigned char header[SMB_HEADER_LEN + 20*2 + 2];
68 /* We use our own data_ready callback, but need the original one */
71 /* nls pointers for codepage conversions */
72 struct nls_table *remote_nls;
73 struct nls_table *local_nls;
77 struct super_block *super_block;
79 struct backing_dev_info bdi;
83 smb_lock_server_interruptible(struct smb_sb_info *server)
85 return down_interruptible(&(server->sem));
89 smb_lock_server(struct smb_sb_info *server)
95 smb_unlock_server(struct smb_sb_info *server)