X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fcifs%2Fcifsglob.h;h=006eb33bff5ff7e6a576b5804e95ec22eb50bb52;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=81babab265e1a31fcad6c97429fadc8d052890fd;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 81babab26..006eb33bf 100644 --- 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 @@ -110,8 +110,9 @@ enum protocolEnum { */ struct TCP_Server_Info { - char server_Name[SERVER_NAME_LEN_WITH_NULL]; /* 15 chars + X'20'in 16th */ - char unicode_server_Name[SERVER_NAME_LEN_WITH_NULL * 2]; /* Unicode version of server_Name */ + /* 15 character server name + 0x20 16th byte indicating type = srv */ + char server_RFC1001_name[SERVER_NAME_LEN_WITH_NULL]; + char unicode_server_Name[SERVER_NAME_LEN_WITH_NULL * 2]; struct socket *ssocket; union { struct sockaddr_in sockAddr; @@ -122,13 +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; @@ -147,8 +152,10 @@ struct TCP_Server_Info { /* (returned on Negotiate */ int capabilities; /* allow selective disabling of caps by smb sess */ __u16 timeZone; + __u16 CurrentMid; /* multiplex id - rotating counter */ char cryptKey[CIFS_CRYPTO_KEY_SIZE]; - char workstation_RFC1001_name[16]; /* 16th byte is always zero */ + /* 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_SESSION_KEY_SIZE + 16]; }; @@ -214,19 +221,43 @@ struct cifsTconInfo { atomic_t num_reads; atomic_t num_oplock_brks; atomic_t num_opens; + atomic_t num_closes; atomic_t num_deletes; atomic_t num_mkdirs; atomic_t num_rmdirs; atomic_t num_renames; atomic_t num_t2renames; + atomic_t num_ffirst; + atomic_t num_fnext; + atomic_t num_fclose; + 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; + unsigned long long time_opens; + unsigned long long time_deletes; + unsigned long long time_closes; + unsigned long long time_mkdirs; + unsigned long long time_rmdirs; + unsigned long long time_renames; + unsigned long long time_t2renames; + unsigned long long time_ffirst; + unsigned long long time_fnext; + unsigned long long time_fclose; +#endif /* CONFIG_CIFS_STATS2 */ __u64 bytes_read; __u64 bytes_written; spinlock_t stat_lock; -#endif +#endif /* CONFIG_CIFS_STATS */ FILE_SYSTEM_DEVICE_INFO fsDevInfo; FILE_SYSTEM_ATTRIBUTE_INFO fsAttrInfo; /* ok if file system name truncated */ FILE_SYSTEM_UNIX_INFO fsUnixInfo; unsigned retry:1; + unsigned nocase:1; /* BB add field for back pointer to sb struct? */ }; @@ -256,6 +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 { @@ -270,6 +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 */ @@ -306,6 +339,41 @@ CIFS_SB(struct super_block *sb) return sb->s_fs_info; } +static inline char CIFS_DIR_SEP(const struct cifs_sb_info *cifs_sb) +{ + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) + return '/'; + else + return '\\'; +} + +#ifdef CONFIG_CIFS_STATS +#define cifs_stats_inc atomic_inc + +static inline void cifs_stats_bytes_written(struct cifsTconInfo *tcon, + unsigned int bytes) +{ + if (bytes) { + spin_lock(&tcon->stat_lock); + tcon->bytes_written += bytes; + spin_unlock(&tcon->stat_lock); + } +} + +static inline void cifs_stats_bytes_read(struct cifsTconInfo *tcon, + unsigned int bytes) +{ + spin_lock(&tcon->stat_lock); + tcon->bytes_read += bytes; + spin_unlock(&tcon->stat_lock); +} +#else + +#define cifs_stats_inc(field) do {} while(0) +#define cifs_stats_bytes_written(tcon, bytes) do {} while(0) +#define cifs_stats_bytes_read(tcon, bytes) do {} while(0) + +#endif /* one of these for every pending CIFS request to the server */ struct mid_q_entry { @@ -313,7 +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 */ @@ -331,13 +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 /* ***************************************************************** @@ -399,6 +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 */ @@ -419,8 +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 */