1 files changed, 101 insertions, 0 deletions

diff --git a/include/linux/smb_fs_sb.h b/include/linux/smb_fs_sb.h
new file mode 100644
index 000000000000..5b4ae2cc445c
--- /dev/null
+++ b/include/linux/smb_fs_sb.h
@@ -0,0 +1,101 @@
+/*
+ *  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>
+
+/*
+ * Upper limit on the total number of active smb_request structs.
+ */
+#define MAX_REQUEST_HARD       256
+
+enum smb_receive_state {
+        SMB_RECV_START,         /* No data read, looking for length + sig */
+        SMB_RECV_HEADER,        /* Reading the header data */
+        SMB_RECV_HCOMPLETE,     /* Done with the header */
+        SMB_RECV_PARAM,         /* Reading parameter words */
+        SMB_RECV_DATA,          /* Reading data bytes */
+        SMB_RECV_END,           /* End of request */
+        SMB_RECV_DROP,          /* Dropping this SMB */
+        SMB_RECV_REQUEST,       /* Received a request and not a reply */
+};
+
+/* structure access macros */
+#define server_from_inode(inode) SMB_SB((inode)->i_sb)
+#define server_from_dentry(dentry) SMB_SB((dentry)->d_sb)
+#define SB_of(server) ((server)->super_block)
+
+struct smb_sb_info {
+        /* List of all smbfs superblocks */
+        struct list_head entry;
+
+        enum smb_conn_state state;
+        struct file * sock_file;
+        int conn_error;
+        enum smb_receive_state rstate;
+
+        atomic_t nr_requests;
+        struct list_head xmitq;
+        struct list_head recvq;
+        u16 mid;
+
+        struct smb_mount_data_kernel *mnt;
+
+        /* Connections are counted. Each time a new socket arrives,
+         * generation is incremented.
+         */
+        unsigned int generation;
+        pid_t conn_pid;
+        struct smb_conn_opt opt;
+        wait_queue_head_t conn_wq;
+        int conn_complete;
+        struct semaphore sem;
+
+        unsigned char      header[SMB_HEADER_LEN + 20*2 + 2];
+        u32                header_len;
+        u32                smb_len;
+        u32                smb_read;
+
+        /* 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;
+
+        struct smb_ops *ops;
+
+        struct super_block *super_block;
+};
+
+static inline int
+smb_lock_server_interruptible(struct smb_sb_info *server)
+{
+        return down_interruptible(&(server->sem));
+}
+
+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