bsd/kern/ubc_subr.c

104 static void ubc_cs_free(struct ubc_info *uip);
493 	i = (vm_size_t) sizeof (struct ubc_info);
495 	ubc_info_zone = zinit (i, 10000*i, 8192, "ubc_info zone");
504  * Allocate and attach an empty ubc_info structure to a vnode
523  * Allocate and attach a sized ubc_info structure to a vnode
542  * Allocate and attach a ubc_info structure to a vnode
560  *		a reuse of a ubc_info; in that case, we should probably assert
570 	register struct ubc_info	*uip;
579 	 * If there is not already a ubc_info attached to the vnode, we
584 		uip = (struct ubc_info *) zalloc(ubc_info_zone);
585 		bzero((char *)uip, sizeof(struct ubc_info));
594 	/* now set this ubc_info in the vnode */
608 	 * Explicitly set the pager into the ubc_info, after setting the
618 	 * ubc_info is not set up to deal with that event.
657  * Free a ubc_info structure
659  * Parameters:	uip			A pointer to the ubc_info to free
664  *		with the ubc_info via a call to ubc_setcred(), the reference
667  *		It's actually impossible for a ubc_info.ui_control to take the
671 ubc_info_free(struct ubc_info *uip)
689 ubc_info_deallocate(struct ubc_info *uip)
711  *		This function will fail if there is no ubc_info currently
730 	struct ubc_info *uip;
818  * Returns:	0			There is no ubc_info associated with
824  *		length file, and a vnode with no associated ubc_info.  The
893  * Get the credentials currently active for the ubc_info associated with the
896  * Parameters:	vp			The vnode whose ubc_info credentials
900  *		NOCRED			If there is no ubc_info for the vnode,
918  * If they are not already set, set the credentials of the ubc_info structure
922  * Parameters:	vp			The vnode whose ubc_info creds are to
930  * Returns:	1			This vnode has no associated ubc_info
975 	struct ubc_info *uip;
1005  * If they are not already set, set the credentials of the ubc_info structure
1009  * Parameters:	vp			The vnode whose ubc_info creds are to
1014  * Returns:	0			This vnode has no associated ubc_info
1032 	struct ubc_info *uip;
1035 	/* If there is no ubc_info, deny the operation */
1041 	 * ubc_info; if there is not, take one on the supplied credential.
1057  * Get the pager associated with the ubc_info associated with the vnode.
1062  *		VNODE_PAGER_NULL	There is no ubc_info for this vnode
1064  * Notes:	For each vnode that has a ubc_info associated with it, that
1065  *		ubc_info SHALL have a pager associated with it, so in the
1067  *		a vnode with an associated ubc_info.
1082  * Get the memory object control associated with the ubc_info associated with
1132  *		-1			There is no ubc_info associated with
1174  *		-1			There is no ubc_info associated with
1210  * object control associated with the ubc_info associated with the vnode
1249  * Parameters:	vp			The vnode whose associated ubc_info's
1277  * Parameters:	vp			The vnode whose associated ubc_info's
1325  * Parameters:	vp			The vnode whose associated ubc_info's
1364  * Notes:	If there is no ubc_info associated with the vnode supplied,
1441  * Explicitly map a vnode that has an associate ubc_info, and add a reference
1443  * recycled while it's in use, and set flags on the ubc_info to indicate that
1456  *		If there is no ubc_info associated with the vnode, this function
1492 	struct ubc_info *uip;
1543  * Destroy the named memory object associated with the ubc_info control object
1544  * associated with the designated vnode, if there is a ubc_info associated
1552  *		and must therefore not assume that there is a ubc_info that is
1554  *		associated with the ubc_info.
1568 	struct ubc_info *uip;
1606  *		If there is no ubc_info associated with the vnode, this
1643  *		If there is no ubc_info associated with the vnode, this
1675  *		and if it can do so, and there is an associated ubc_info, and
1686 	struct ubc_info *uip;
1738  * Manipulate individual page state for a vnode with an associated ubc_info
1836  * ubc_info with an associated memory object control, when page level state is
1932  *		KERN_INVALID_ARGUMENT	There is no ubc_info associated with
1934  *					control associated with the ubc_info
2434 	struct ubc_info		*uip;
2691 	struct ubc_info	*uip;
2727 	struct ubc_info	*uip)
2758 	struct ubc_info	*uip;
2764 	 * so the vnode will not go away.  The ubc_info stays until the vnode
2767 	 * The ubc_info could go away entirely if the vnode gets reclaimed as
2770 	 * object guarantess that the vnode pager (and the ubc_info) won't go
3015 	struct ubc_info *uip;
3053 		struct ubc_info *uip = vp->v_ubcinfo;
3090 	struct ubc_info *uip;