bsd/kern/ubc_subr.c

109 static void ubc_cs_free(struct ubc_info *uip);
719 	i = (vm_size_t) sizeof (struct ubc_info);
721 	ubc_info_zone = zinit (i, 10000*i, 8192, "ubc_info zone");
730  * Allocate and attach an empty ubc_info structure to a vnode
749  * Allocate and attach a sized ubc_info structure to a vnode
768  * Allocate and attach a ubc_info structure to a vnode
786  *		a reuse of a ubc_info; in that case, we should probably assert
796 	register struct ubc_info	*uip;
805 	 * If there is not already a ubc_info attached to the vnode, we
810 		uip = (struct ubc_info *) zalloc(ubc_info_zone);
811 		bzero((char *)uip, sizeof(struct ubc_info));
820 	/* now set this ubc_info in the vnode */
834 	 * Explicitly set the pager into the ubc_info, after setting the
844 	 * ubc_info is not set up to deal with that event.
883  * Free a ubc_info structure
885  * Parameters:	uip			A pointer to the ubc_info to free
890  *		with the ubc_info via a call to ubc_setcred(), the reference
893  *		It's actually impossible for a ubc_info.ui_control to take the
897 ubc_info_free(struct ubc_info *uip)
915 ubc_info_deallocate(struct ubc_info *uip)
937  *		This function will fail if there is no ubc_info currently
956 	struct ubc_info *uip;
1044  * Returns:	0			There is no ubc_info associated with
1050  *		length file, and a vnode with no associated ubc_info.  The
1119  * Get the credentials currently active for the ubc_info associated with the
1122  * Parameters:	vp			The vnode whose ubc_info credentials
1126  *		NOCRED			If there is no ubc_info for the vnode,
1144  * If they are not already set, set the credentials of the ubc_info structure
1148  * Parameters:	vp			The vnode whose ubc_info creds are to
1156  * Returns:	1			This vnode has no associated ubc_info
1201 	struct ubc_info *uip;
1231  * If they are not already set, set the credentials of the ubc_info structure
1235  * Parameters:	vp			The vnode whose ubc_info creds are to
1240  * Returns:	0			This vnode has no associated ubc_info
1258 	struct ubc_info *uip;
1261 	/* If there is no ubc_info, deny the operation */
1267 	 * ubc_info; if there is not, take one on the supplied credential.
1283  * Get the pager associated with the ubc_info associated with the vnode.
1288  *		VNODE_PAGER_NULL	There is no ubc_info for this vnode
1290  * Notes:	For each vnode that has a ubc_info associated with it, that
1291  *		ubc_info SHALL have a pager associated with it, so in the
1293  *		a vnode with an associated ubc_info.
1308  * Get the memory object control associated with the ubc_info associated with
1358  *		-1			There is no ubc_info associated with
1400  *		-1			There is no ubc_info associated with
1436  * object control associated with the ubc_info associated with the vnode
1475  * Parameters:	vp			The vnode whose associated ubc_info's
1503  * Parameters:	vp			The vnode whose associated ubc_info's
1551  * Parameters:	vp			The vnode whose associated ubc_info's
1590  * Notes:	If there is no ubc_info associated with the vnode supplied,
1667  * Explicitly map a vnode that has an associate ubc_info, and add a reference
1669  * recycled while it's in use, and set flags on the ubc_info to indicate that
1682  *		If there is no ubc_info associated with the vnode, this function
1718 	struct ubc_info *uip;
1772  * Destroy the named memory object associated with the ubc_info control object
1773  * associated with the designated vnode, if there is a ubc_info associated
1781  *		and must therefore not assume that there is a ubc_info that is
1783  *		associated with the ubc_info.
1797 	struct ubc_info *uip;
1835  *		If there is no ubc_info associated with the vnode, this
1872  *		If there is no ubc_info associated with the vnode, this
1904  *		and if it can do so, and there is an associated ubc_info, and
1915 	struct ubc_info *uip;
1967  * Manipulate individual page state for a vnode with an associated ubc_info
2065  * ubc_info with an associated memory object control, when page level state is
2161  *		KERN_INVALID_ARGUMENT	There is no ubc_info associated with
2163  *					control associated with the ubc_info
2661 	struct ubc_info		*uip;
2776 	struct ubc_info		*uip;
3077 	struct ubc_info	*uip;
3115 	struct ubc_info	*uip)
3146 	struct ubc_info	*uip;
3152 	 * so the vnode will not go away.  The ubc_info stays until the vnode
3155 	 * The ubc_info could go away entirely if the vnode gets reclaimed as
3158 	 * object guarantess that the vnode pager (and the ubc_info) won't go
3181 	struct ubc_info	*uip;
3438 	struct ubc_info *uip;
3476 		struct ubc_info *uip = vp->v_ubcinfo;
3513 	struct ubc_info *uip;