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;
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;
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)
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
*/
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;
};
/*
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 */
*/
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 */
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
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 */
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 */
/* 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);
projects / karo-tx-linux.git / blobdiff