Smb_21,
Smb_30,
Smb_302,
+#ifdef CONFIG_CIFS_SMB311
+ Smb_311,
+#endif /* SMB311 */
+ Smb_version_err
};
struct mid_q_entry;
void (*new_lease_key)(struct cifs_fid *);
int (*generate_signingkey)(struct cifs_ses *);
int (*calc_signature)(struct smb_rqst *, struct TCP_Server_Info *);
+ int (*set_integrity)(const unsigned int, struct cifs_tcon *tcon,
+ struct cifsFileInfo *src_file);
int (*query_mf_symlink)(unsigned int, struct cifs_tcon *,
struct cifs_sb_info *, const unsigned char *,
char *, unsigned int *);
int (*clone_range)(const unsigned int, struct cifsFileInfo *src_file,
struct cifsFileInfo *target_file, u64 src_off, u64 len,
u64 dest_off);
+ int (*duplicate_extents)(const unsigned int, struct cifsFileInfo *src,
+ struct cifsFileInfo *target_file, u64 src_off, u64 len,
+ u64 dest_off);
int (*validate_negotiate)(const unsigned int, struct cifs_tcon *);
ssize_t (*query_all_EAs)(const unsigned int, struct cifs_tcon *,
const unsigned char *, const unsigned char *, char *,
bool mfsymlinks:1; /* use Minshall+French Symlinks */
bool multiuser:1;
bool rwpidforward:1; /* pid forward for read/write operations */
- bool nosharesock;
+ bool nosharesock:1;
+ bool persistent:1;
+ bool nopersistent:1;
+ bool resilient:1; /* noresilient not required since not fored for CA */
unsigned int rsize;
unsigned int wsize;
bool sockopt_tcp_nodelay:1;
#ifdef CONFIG_CIFS_SMB2
unsigned int max_read;
unsigned int max_write;
+ struct delayed_work reconnect; /* reconnect workqueue job */
+ struct mutex reconnect_mutex; /* prevent simultaneous reconnects */
#endif /* CONFIG_CIFS_SMB2 */
};
struct cifs_tcon {
struct list_head tcon_list;
int tc_count;
+ struct list_head rlist; /* reconnect list */
struct list_head openFileList;
+ spinlock_t open_file_lock; /* protects list above */
struct cifs_ses *ses; /* pointer to session associated with */
char treeName[MAX_TREE_SIZE + 1]; /* UNC name of resource in ASCII */
char *nativeFileSystem;
#endif /* CONFIG_CIFS_STATS2 */
__u64 bytes_read;
__u64 bytes_written;
- spinlock_t stat_lock;
+ spinlock_t stat_lock; /* protects the two fields above */
#endif /* CONFIG_CIFS_STATS */
FILE_SYSTEM_DEVICE_INFO fsDevInfo;
FILE_SYSTEM_ATTRIBUTE_INFO fsAttrInfo; /* ok if fs name truncated */
bool broken_posix_open; /* e.g. Samba server versions < 3.3.2, 3.2.9 */
bool broken_sparse_sup; /* if server or share does not support sparse */
bool need_reconnect:1; /* connection reset, tid now invalid */
+ bool use_resilient:1; /* use resilient instead of durable handles */
+ bool use_persistent:1; /* use persistent instead of durable handles */
#ifdef CONFIG_CIFS_SMB2
bool print:1; /* set if connection to printer share */
bool bad_network_name:1; /* set if ret status STATUS_BAD_NETWORK_NAME */
__u64 persistent_fid; /* persist file id for smb2 */
__u64 volatile_fid; /* volatile file id for smb2 */
__u8 lease_key[SMB2_LEASE_KEY_SIZE]; /* lease key for smb2 */
+ __u8 create_guid[16];
#endif
struct cifs_pending_open *pending_open;
unsigned int epoch;
};
struct cifsFileInfo {
+ /* following two lists are protected by tcon->open_file_lock */
struct list_head tlist; /* pointer to next fid owned by tcon */
struct list_head flist; /* next fid (file instance) for this inode */
+ /* lock list below protected by cifsi->lock_sem */
struct cifs_fid_locks *llist; /* brlocks held by this fid */
kuid_t uid; /* allows finding which FileInfo structure */
__u32 pid; /* process id who opened file */
/* BB add lock scope info here if needed */ ;
/* lock scope id (0 if none) */
struct dentry *dentry;
- unsigned int f_flags;
struct tcon_link *tlink;
+ unsigned int f_flags;
bool invalidHandle:1; /* file closed via session abend */
bool oplock_break_cancelled:1;
- int count; /* refcount protected by cifs_file_list_lock */
+ int count;
+ spinlock_t file_info_lock; /* protects four flag/count fields above */
struct mutex fh_mutex; /* prevents reopen race after dead ses*/
struct cifs_search_info srch_inf;
struct work_struct oplock_break; /* work for oplock breaks */
/*
* Take a reference on the file private data. Must be called with
- * cifs_file_list_lock held.
+ * cfile->file_info_lock held.
*/
static inline void
cifsFileInfo_get_locked(struct cifsFileInfo *cifs_file)
* GlobalMid_Lock protects:
* list operations on pending_mid_q and oplockQ
* updates to XID counters, multiplex id and SMB sequence numbers
- * cifs_file_list_lock protects:
- * list operations on tcp and SMB session lists and tCon lists
+ * tcp_ses_lock protects:
+ * list operations on tcp and SMB session lists
+ * tcon->open_file_lock protects the list of open files hanging off the tcon
+ * cfile->file_info_lock protects counters and fields in cifs file struct
* f_owner.lock protects certain per file struct operations
* mapping->page_lock protects certain per page operations
*
* tcp session, and the list of tcon's per smb session. It also protects
* the reference counters for the server, smb session, and tcon. Finally,
* changes to the tcon->tidStatus should be done while holding this lock.
+ * generally the locks should be taken in order tcp_ses_lock before
+ * tcon->open_file_lock and that before file->file_info_lock since the
+ * structure order is cifs_socket-->cifs_ses-->cifs_tcon-->cifs_file
*/
GLOBAL_EXTERN spinlock_t cifs_tcp_ses_lock;
-/*
- * This lock protects the cifs_file->llist and cifs_file->flist
- * list operations, and updates to some flags (cifs_file->invalidHandle)
- * It will be moved to either use the tcon->stat_lock or equivalent later.
- * If cifs_tcp_ses_lock and the lock below are both needed to be held, then
- * the cifs_tcp_ses_lock must be grabbed first and released last.
- */
-GLOBAL_EXTERN spinlock_t cifs_file_list_lock;
-
#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
/* Outstanding dir notify requests */
GLOBAL_EXTERN struct list_head GlobalDnotifyReqList;
/* Misc globals */
GLOBAL_EXTERN bool enable_oplocks; /* enable or disable oplocks */
-GLOBAL_EXTERN unsigned int lookupCacheEnabled;
+GLOBAL_EXTERN bool lookupCacheEnabled;
GLOBAL_EXTERN unsigned int global_secflags; /* 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 linuxExtEnabled;/*enable Linux/Unix CIFS extensions*/
+GLOBAL_EXTERN bool 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 */
GLOBAL_EXTERN unsigned int cifs_min_small; /* min size of small buf pool */
#define SMB302_VERSION_STRING "3.02"
/*extern struct smb_version_operations smb302_operations;*/ /* not needed yet */
extern struct smb_version_values smb302_values;
+#define SMB311_VERSION_STRING "3.1.1"
+#define ALT_SMB311_VERSION_STRING "3.11"
+extern struct smb_version_operations smb311_operations;
+extern struct smb_version_values smb311_values;
#endif /* _CIFS_GLOB_H */
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