diff options
Diffstat (limited to 'fs/cifs/cifsglob.h')
| -rw-r--r-- | fs/cifs/cifsglob.h | 55 |
1 files changed, 47 insertions, 8 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 95dad9d14cf..8238aa13e01 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -167,6 +167,8 @@ struct smb_vol { uid_t cred_uid; uid_t linux_uid; gid_t linux_gid; + uid_t backupuid; + gid_t backupgid; mode_t file_mode; mode_t dir_mode; unsigned secFlg; @@ -179,6 +181,8 @@ struct smb_vol { bool noperm:1; bool no_psx_acl:1; /* set if posix acl support should be disabled */ bool cifs_acl:1; + bool backupuid_specified; /* mount option backupuid is specified */ + bool backupgid_specified; /* mount option backupgid is specified */ bool no_xattr:1; /* set if xattr (EA) support should be disabled*/ bool server_ino:1; /* use inode numbers from server ie UniqueId */ bool direct_io:1; @@ -219,7 +223,8 @@ struct smb_vol { CIFS_MOUNT_OVERR_GID | CIFS_MOUNT_DYNPERM | \ CIFS_MOUNT_NOPOSIXBRL | CIFS_MOUNT_NOSSYNC | \ CIFS_MOUNT_FSCACHE | CIFS_MOUNT_MF_SYMLINKS | \ - CIFS_MOUNT_MULTIUSER | CIFS_MOUNT_STRICT_IO) + CIFS_MOUNT_MULTIUSER | CIFS_MOUNT_STRICT_IO | \ + CIFS_MOUNT_CIFS_BACKUPUID | CIFS_MOUNT_CIFS_BACKUPGID) #define CIFS_MS_MASK (MS_RDONLY | MS_MANDLOCK | MS_NOEXEC | MS_NOSUID | \ MS_NODEV | MS_SYNCHRONOUS) @@ -286,7 +291,13 @@ struct TCP_Server_Info { bool sec_kerberosu2u; /* supports U2U Kerberos */ bool sec_kerberos; /* supports plain Kerberos */ bool sec_mskerberos; /* supports legacy MS Kerberos */ + bool large_buf; /* is current buffer large? */ struct delayed_work echo; /* echo ping workqueue job */ + struct kvec *iov; /* reusable kvec array for receives */ + unsigned int nr_iov; /* number of kvecs in array */ + char *smallbuf; /* pointer to current "small" buffer */ + char *bigbuf; /* pointer to current "big" buffer */ + unsigned int total_read; /* total amount of data read in this pass */ #ifdef CONFIG_CIFS_FSCACHE struct fscache_cookie *fscache; /* client index cache cookie */ #endif @@ -485,9 +496,13 @@ extern struct cifs_tcon *cifs_sb_master_tcon(struct cifs_sb_info *cifs_sb); */ struct cifsLockInfo { struct list_head llist; /* pointer to next cifsLockInfo */ + struct list_head blist; /* pointer to locks blocked on this */ + wait_queue_head_t block_q; __u64 offset; __u64 length; + __u32 pid; __u8 type; + __u16 netfid; }; /* @@ -520,8 +535,6 @@ struct cifsFileInfo { struct dentry *dentry; unsigned int f_flags; struct tcon_link *tlink; - struct mutex lock_mutex; - struct list_head llist; /* list of byte range locks we have. */ bool invalidHandle:1; /* file closed via session abend */ bool oplock_break_cancelled:1; int count; /* refcount protected by cifs_file_list_lock */ @@ -554,7 +567,9 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file); */ struct cifsInodeInfo { - struct list_head lockList; + struct list_head llist; /* brlocks for this inode */ + bool can_cache_brlcks; + struct mutex lock_mutex; /* protect two fields above */ /* BB add in lists for dirty pages i.e. write caching info for oplock */ struct list_head openFileList; __u32 cifsAttrs; /* e.g. DOS archive bit, sparse, compressed, system */ @@ -643,8 +658,24 @@ static inline void cifs_stats_bytes_read(struct cifs_tcon *tcon, struct mid_q_entry; /* - * This is the prototype for the mid callback function. When creating one, - * take special care to avoid deadlocks. Things to bear in mind: + * This is the prototype for the mid receive function. This function is for + * receiving the rest of the SMB frame, starting with the WordCount (which is + * just after the MID in struct smb_hdr). Note: + * + * - This will be called by cifsd, with no locks held. + * - The mid will still be on the pending_mid_q. + * - mid->resp_buf will point to the current buffer. + * + * Returns zero on a successful receive, or an error. The receive state in + * the TCP_Server_Info will also be updated. + */ +typedef int (mid_receive_t)(struct TCP_Server_Info *server, + struct mid_q_entry *mid); + +/* + * This is the prototype for the mid callback function. This is called once the + * mid has been received off of the socket. When creating one, take special + * care to avoid deadlocks. Things to bear in mind: * * - it will be called by cifsd, with no locks held * - the mid will be removed from any lists @@ -662,9 +693,10 @@ struct mid_q_entry { unsigned long when_sent; /* time when smb send finished */ unsigned long when_received; /* when demux complete (taken off wire) */ #endif + mid_receive_t *receive; /* call receive callback */ mid_callback_t *callback; /* call completion callback */ void *callback_data; /* general purpose pointer for callback */ - struct smb_hdr *resp_buf; /* response buffer */ + struct smb_hdr *resp_buf; /* pointer to received SMB header */ int midState; /* wish this were enum but can not pass to wait_event */ __u8 command; /* smb command code */ bool largeBuf:1; /* if valid response, is pointer to large buf */ @@ -964,7 +996,8 @@ GLOBAL_EXTERN unsigned int multiuser_mount; /* if enabled allows new sessions to be established on existing mount if we have the uid/password or Kerberos credential or equivalent for current user */ -GLOBAL_EXTERN unsigned int oplockEnabled; +/* enable or disable oplocks */ +GLOBAL_EXTERN bool enable_oplocks; GLOBAL_EXTERN unsigned int lookupCacheEnabled; GLOBAL_EXTERN unsigned int global_secflags; /* if on, session setup sent with more secure ntlmssp2 challenge/resp */ @@ -978,10 +1011,16 @@ GLOBAL_EXTERN unsigned int cifs_max_pending; /* MAX requests at once to server*/ /* reconnect after this many failed echo attempts */ GLOBAL_EXTERN unsigned short echo_retries; +#ifdef CONFIG_CIFS_ACL GLOBAL_EXTERN struct rb_root uidtree; GLOBAL_EXTERN struct rb_root gidtree; GLOBAL_EXTERN spinlock_t siduidlock; GLOBAL_EXTERN spinlock_t sidgidlock; +GLOBAL_EXTERN struct rb_root siduidtree; +GLOBAL_EXTERN struct rb_root sidgidtree; +GLOBAL_EXTERN spinlock_t uidsidlock; +GLOBAL_EXTERN spinlock_t gidsidlock; +#endif /* CONFIG_CIFS_ACL */ void cifs_oplock_break(struct work_struct *work); |