175 typedef struct stdata {  struct
176 	struct queue	*sd_wrq;	/* write queue */
177 	struct msgb	*sd_iocblk;	/* return block for ioctl */
178 	struct vnode	*sd_vnode;	/* pointer to associated vnode */
179 	struct streamtab *sd_strtab;	/* pointer to streamtab for stream */
203 	struct stdata	*sd_mate;	/* pointer to twisted stream mate */  argument
204 	kthread_id_t	sd_freezer;	/* thread that froze stream */
205 	kmutex_t	sd_reflock;	/* Protects sd_refcnt */
206 	int		sd_refcnt;	/* number of claimstr */
207 	uint_t		sd_wakeq;	/* strwakeq()'s copy of sd_flag */
208 	struct queue	*sd_struiordq;	/* sync barrier struio() read queue */
209 	struct queue	*sd_struiowrq;	/* sync barrier struio() write queue */
210 	char		sd_struiodnak;	/* defer NAK of M_IOCTL by rput() */
211 	struct msgb	*sd_struionak;	/* pointer M_IOCTL mblk(s) to NAK */
212 	caddr_t		sd_t_audit_data; /* For audit purposes only */
213 	ssize_t		sd_maxblk;	/* maximum message block size */
214 	uint_t		sd_rput_opt;	/* options/flags for strrput */
215 	uint_t		sd_wput_opt;	/* options/flags for write/putmsg */
216 	uint_t		sd_read_opt;	/* options/flags for strread */
217 	msgfunc_t	sd_rprotofunc;	/* rput M_*PROTO routine */
218 	msgfunc_t	sd_rputdatafunc; /* read M_DATA routine */
219 	msgfunc_t	sd_rmiscfunc;	/* rput routine (non-data/proto) */
220 	msgfunc_t	sd_wputdatafunc; /* wput M_DATA routine */
244 } stdata_t;  argument
247  * stdata servicing flags.  argument