[PATCH] Take i_mutex in splice_from_pipe()

[linux-2.6] / fs / cifs / cifsglob.h

diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 87453a6bcaf838ca15c892fba91bd4a8c780514e..74d3ccbb103bfdbaf82b56cb03272ceebf9c022e 100644 (file)
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -3,6 +3,7 @@
  *
  *   Copyright (C) International Business Machines  Corp., 2002,2006
  *   Author(s): Steve French (sfrench@us.ibm.com)
+ *              Jeremy Allison (jra@samba.org)
  *
  *   This library is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU Lesser General Public License as published
@@ -152,13 +153,14 @@ struct TCP_Server_Info {
        char sessid[4];         /* unique token id for this session */
        /* (returned on Negotiate */
        int capabilities; /* allow selective disabling of caps by smb sess */
-       __u16 timeZone;
+       int timeAdj;  /* Adjust for difference in server time zone in sec */
        __u16 CurrentMid;         /* multiplex id - rotating counter */
        char cryptKey[CIFS_CRYPTO_KEY_SIZE];
        /* 16th byte of RFC1001 workstation name is always null */
        char workstation_RFC1001_name[SERVER_NAME_LEN_WITH_NULL];
        __u32 sequence_number; /* needed for CIFS PDU signature */
-       char mac_signing_key[CIFS_SESS_KEY_SIZE + 16]; 
+       char mac_signing_key[CIFS_SESS_KEY_SIZE + 16];
+       unsigned long lstrp; /* when we got last response from this server */
 };
 
 /*
@@ -186,6 +188,7 @@ struct cifsSesInfo {
        struct TCP_Server_Info *server; /* pointer to server info */
        atomic_t inUse; /* # of mounts (tree connections) on this ses */
        enum statusEnum status;
+       unsigned overrideSecFlg;  /* if non-zero override global sec flags */
        __u16 ipc_tid;          /* special tid for connection to IPC share */
        __u16 flags;
        char *serverOS;         /* name of operating system underlying server */
@@ -200,9 +203,14 @@ struct cifsSesInfo {
        char * domainName;
        char * password;
 };
-/* session flags */
+/* no more than one of the following three session flags may be set */
 #define CIFS_SES_NT4 1
-
+#define CIFS_SES_OS2 2
+#define CIFS_SES_W9X 4
+/* following flag is set for old servers such as OS2 (and Win95?)
+   which do not negotiate NTLM or POSIX dialects, but instead
+   negotiate one of the older LANMAN dialects */
+#define CIFS_SES_LANMAN 8
 /*
  * there is one of these for each connection to a resource on a particular
  * session 
@@ -265,14 +273,14 @@ struct cifsTconInfo {
 };
 
 /*
- * This info hangs off the cifsFileInfo structure.  This is used to track
- * byte stream locks on the file
+ * This info hangs off the cifsFileInfo structure, pointed to by llist.
+ * This is used to track byte stream locks on the file
  */
 struct cifsLockInfo {
-       struct cifsLockInfo *next;
-       int start;
-       int length;
-       int type;
+       struct list_head llist; /* pointer to next cifsLockInfo */
+       __u64 offset;
+       __u64 length;
+       __u8 type;
 };
 
 /*
@@ -303,6 +311,8 @@ struct cifsFileInfo {
        /* lock scope id (0 if none) */
        struct file * pfile; /* needed for writepage */
        struct inode * pInode; /* needed for oplock break */
+       struct semaphore lock_sem;
+       struct list_head llist; /* list of byte range locks we have. */
        unsigned closePend:1;   /* file is marked to close */
        unsigned invalidHandle:1;  /* file closed via session abend */
        atomic_t wrtPending;   /* handle in use - defer close */
@@ -507,7 +517,8 @@ require use of the stronger protocol */
  * This list helps improve performance and eliminate the messages indicating
  * that we had a communications error talking to the server in this list. 
  */
-GLOBAL_EXTERN struct servers_not_supported *NotSuppList;       /*@z4a */
+/* Feature not supported */
+/* GLOBAL_EXTERN struct servers_not_supported *NotSuppList; */
 
 /*
  * The following is a hash table of all the users we know about.
@@ -563,7 +574,6 @@ GLOBAL_EXTERN unsigned int lookupCacheEnabled;
 GLOBAL_EXTERN unsigned int extended_security;  /* if on, session setup sent 
                                with more secure ntlmssp2 challenge/resp */
 GLOBAL_EXTERN unsigned int sign_CIFS_PDUs;  /* enable smb packet signing */
-GLOBAL_EXTERN unsigned int secFlags;
 GLOBAL_EXTERN unsigned int linuxExtEnabled;/*enable Linux/Unix CIFS extensions*/
 GLOBAL_EXTERN unsigned int CIFSMaxBufSize;  /* max size not including hdr */
 GLOBAL_EXTERN unsigned int cifs_min_rcv;    /* min size of big ntwrk buf pool */