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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/linux/smb_fs_sb.h
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Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'include/linux/smb_fs_sb.h')
-rw-r--r--include/linux/smb_fs_sb.h101
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 0000000..5b4ae2c
--- /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