[PATCH] writeback: fix range handling

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

diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 9a3c85bdd77eab8878860972a9d9612b915d03d6..006eb33bff5ff7e6a576b5804e95ec22eb50bb52 100644 (file)
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1,7 +1,7 @@
 /*
  *   fs/cifs/cifsglob.h
  *
- *   Copyright (C) International Business Machines  Corp., 2002,2005
+ *   Copyright (C) International Business Machines  Corp., 2002,2006
  *   Author(s): Steve French (sfrench@us.ibm.com)
  *
  *   This library is free software; you can redistribute it and/or modify
@@ -123,13 +123,17 @@ struct TCP_Server_Info {
        struct list_head pending_mid_q;
        void *Server_NlsInfo;   /* BB - placeholder for future NLS info  */
        unsigned short server_codepage; /* codepage for the server    */
-       unsigned long ip_address;       /* IP addr for the server if known     */
+       unsigned long ip_address;       /* IP addr for the server if known */
        enum protocolEnum protocolType; 
        char versionMajor;
        char versionMinor;
        unsigned svlocal:1;     /* local server or remote */
        atomic_t socketUseCount; /* number of open cifs sessions on socket */
        atomic_t inFlight;  /* number of requests on the wire to server */
+#ifdef CONFIG_CIFS_STATS2
+       atomic_t inSend; /* requests trying to send */
+       atomic_t num_waiters;   /* blocked waiting to get in sendrecv */
+#endif
        enum statusEnum tcpStatus; /* what we think the status is */
        struct semaphore tcpSem;
        struct task_struct *tsk;
@@ -229,6 +233,8 @@ struct cifsTconInfo {
        atomic_t num_hardlinks;
        atomic_t num_symlinks;
        atomic_t num_locks;
+       atomic_t num_acl_get;
+       atomic_t num_acl_set;
 #ifdef CONFIG_CIFS_STATS2
        unsigned long long time_writes;
        unsigned long long time_reads;
@@ -281,6 +287,7 @@ struct cifs_search_info {
        unsigned endOfSearch:1;
        unsigned emptyDir:1;
        unsigned unicode:1;
+       unsigned smallBuf:1; /* so we know which buf_release function to call */
 };
 
 struct cifsFileInfo {
@@ -295,6 +302,7 @@ struct cifsFileInfo {
        struct inode * pInode; /* needed for oplock break */
        unsigned closePend:1;   /* file is marked to close */
        unsigned invalidHandle:1;  /* file closed via session abend */
+       atomic_t wrtPending;   /* handle in use - defer close */
        struct semaphore fh_sem; /* prevents reopen race after dead ses*/
        char * search_resume_name; /* BB removeme BB */
        unsigned int resume_name_length; /* BB removeme - field renamed and moved BB */
@@ -331,7 +339,7 @@ CIFS_SB(struct super_block *sb)
        return sb->s_fs_info;
 }
 
-static inline const char CIFS_DIR_SEP(const struct cifs_sb_info *cifs_sb)
+static inline char CIFS_DIR_SEP(const struct cifs_sb_info *cifs_sb)
 {
        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)
                return '/';
@@ -373,7 +381,11 @@ struct mid_q_entry {
        __u16 mid;              /* multiplex id */
        __u16 pid;              /* process id */
        __u32 sequence_number;  /* for CIFS signing */
-       struct timeval when_sent;       /* time when smb sent */
+       unsigned long when_alloc;  /* when mid was created */
+#ifdef CONFIG_CIFS_STATS2
+       unsigned long when_sent; /* time when smb send finished */
+       unsigned long when_received; /* when demux complete (taken off wire) */
+#endif
        struct cifsSesInfo *ses;        /* smb was sent to this server */
        struct task_struct *tsk;        /* task waiting for response */
        struct smb_hdr *resp_buf;       /* response buffer */
@@ -391,13 +403,41 @@ struct oplock_q_entry {
        __u16 netfid;
 };
 
+/* for pending dnotify requests */
+struct dir_notify_req {
+       struct list_head lhead;
+       __le16 Pid;
+       __le16 PidHigh;
+       __u16 Mid;
+       __u16 Tid;
+       __u16 Uid;
+       __u16 netfid;
+       __u32 filter; /* CompletionFilter (for multishot) */
+       int multishot;
+       struct file * pfile;
+};
+
 #define   MID_FREE 0
 #define   MID_REQUEST_ALLOCATED 1
 #define   MID_REQUEST_SUBMITTED 2
 #define   MID_RESPONSE_RECEIVED 4
 #define   MID_RETRY_NEEDED      8 /* session closed while this request out */
 #define   MID_NO_RESP_NEEDED 0x10
-#define   MID_SMALL_BUFFER   0x20 /* 112 byte response buffer instead of 4K */
+
+/* Types of response buffer returned from SendReceive2 */
+#define   CIFS_NO_BUFFER        0    /* Response buffer not returned */
+#define   CIFS_SMALL_BUFFER     1
+#define   CIFS_LARGE_BUFFER     2
+#define   CIFS_IOVEC            4    /* array of response buffers */
+
+/* Type of session setup needed */
+#define   CIFS_PLAINTEXT       0
+#define   CIFS_LANMAN          1
+#define   CIFS_NTLM            2
+#define   CIFS_NTLMSSP_NEG     3
+#define   CIFS_NTLMSSP_AUTH    4
+#define   CIFS_SPNEGO_INIT     5
+#define   CIFS_SPNEGO_TARG     6
 
 /*
  *****************************************************************
@@ -459,6 +499,9 @@ GLOBAL_EXTERN rwlock_t GlobalSMBSeslock;  /* protects list inserts on 3 above */
 
 GLOBAL_EXTERN struct list_head GlobalOplock_Q;
 
+GLOBAL_EXTERN struct list_head GlobalDnotifyReqList; /* Outstanding dir notify requests */
+GLOBAL_EXTERN struct list_head GlobalDnotifyRsp_Q; /* Dir notify response queue */
+
 /*
  * Global transaction id (XID) information
  */
@@ -479,8 +522,12 @@ GLOBAL_EXTERN atomic_t tcpSesReconnectCount;
 GLOBAL_EXTERN atomic_t tconInfoReconnectCount;
 
 /* Various Debug counters to remove someday (BB) */
-GLOBAL_EXTERN atomic_t bufAllocCount;
-GLOBAL_EXTERN atomic_t smBufAllocCount;      
+GLOBAL_EXTERN atomic_t bufAllocCount;    /* current number allocated  */
+#ifdef CONFIG_CIFS_STATS2
+GLOBAL_EXTERN atomic_t totBufAllocCount; /* total allocated over all time */
+GLOBAL_EXTERN atomic_t totSmBufAllocCount;
+#endif
+GLOBAL_EXTERN atomic_t smBufAllocCount;
 GLOBAL_EXTERN atomic_t midCount;
 
 /* Misc globals */