Lines Matching refs:copy

52 	struct dasd_copy_relation *copy;
606 		dev_warn(&device->cdev->dev, "Unable to query copy relation status\n");
615 		dev_warn(&device->cdev->dev, "Error during copy relation status query\n");
650  * check the consistency of a specified copy relation by checking
653  *   - is the given device part of a copy pair setup
662 					   struct dasd_copy_relation *copy)
675 		dev_warn(&device->cdev->dev, "Device not part of a copy relation\n");
688 				 "Primary device %s does not match copy pair status primary device %04x\n",
702 				 "Secondary device %s does not match copy pair status secondary device %04x\n",
711 	 * the current device has to be part of the copy relation of all
712 	 * entries to prevent misrouted IO to another copy pair
715 		if (entry == &copy->entry[j])
718 			tmp_dev = copy->entry[j].device;
738 /* delete device from copy relation entry */
741 	struct dasd_copy_relation *copy;
744 	if (!device->copy)
747 	copy = device->copy;
749 		if (copy->entry[i].device == device)
750 			copy->entry[i].device = NULL;
753 	device->copy = NULL;
757  * read all required information for a copy relation setup and setup the device
765 	struct dasd_copy_relation *copy;
778 	copy = devmap->copy;
779 	/* no copy pair setup for this device */
780 	if (!copy)
795 		dev_warn(&device->cdev->dev, "Copy pair setup requested for device not in copy relation\n");
801 		if (copy->entry[i].configured &&
803 			    copy->entry[i].busid, DASD_BUS_ID_SIZE) == 0) {
804 			entry = &copy->entry[i];
813 	/* check if the copy relation is valid */
814 	if (dasd_devmap_check_copy_relation(device, entry, data, copy)) {
821 	copy->entry[i].device = device;
822 	device->copy = copy;
862 	/* Removve copy relation */
2047  * print copy relation in the form
2055 	struct dasd_copy_relation *copy;
2064 	if (!devmap->copy)
2067 	copy = devmap->copy;
2070 		if (copy->entry[i].configured && copy->entry[i].primary) {
2071 			strscpy(prim_busid, copy->entry[i].busid,
2081 		if (copy->entry[i].configured && !copy->entry[i].primary)
2083 					     copy->entry[i].busid);
2092 					 struct dasd_copy_relation *copy,
2100 		if (copy->entry[i].configured &&
2101 		    strncmp(copy->entry[i].busid, busid, DASD_BUS_ID_SIZE) == 0)
2104 		if (!copy->entry[i].configured)
2110 	copy->entry[i].configured = true;
2111 	strscpy(copy->entry[i].busid, busid, DASD_BUS_ID_SIZE);
2113 		copy->active = &copy->entry[i];
2114 		copy->entry[i].primary = true;
2116 	if (!devmap->copy)
2117 		devmap->copy = copy;
2122 static void dasd_devmap_del_copy_relation(struct dasd_copy_relation *copy,
2130 		if (copy->entry[i].configured &&
2131 		    strncmp(copy->entry[i].busid, busid, DASD_BUS_ID_SIZE) == 0)
2134 	if (i == DASD_CP_ENTRIES || !copy->entry[i].configured) {
2139 	copy->entry[i].configured = false;
2140 	memset(copy->entry[i].busid, 0, DASD_BUS_ID_SIZE);
2141 	if (copy->active == &copy->entry[i]) {
2142 		copy->active = NULL;
2143 		copy->entry[i].primary = false;
2150 	struct dasd_copy_relation *copy;
2159 	if (!devmap->copy)
2162 	copy = devmap->copy;
2165 		if (!copy->entry[i].configured)
2168 		if (copy->entry[i].device == copy->active->device)
2171 		if (copy->entry[i].device)
2176 		if (strlen(copy->entry[i].busid) == 0)
2178 		if (copy->entry[i].device) {
2179 			dasd_put_device(copy->entry[i].device);
2180 			copy->entry[i].device->copy = NULL;
2181 			copy->entry[i].device = NULL;
2183 		devmap = dasd_find_busid_locked(copy->entry[i].busid);
2184 		devmap->copy = NULL;
2185 		memset(copy->entry[i].busid, 0, DASD_BUS_ID_SIZE);
2187 	kfree(copy);
2195  * parse BUSIDs from a copy pair
2240 	struct dasd_copy_relation *copy;
2269 	/* setting copy relation is only allowed for offline secondary */
2273 	if (prim_devmap->copy) {
2274 		copy = prim_devmap->copy;
2275 	} else if (sec_devmap->copy) {
2276 		copy = sec_devmap->copy;
2278 		copy = kzalloc(sizeof(*copy), GFP_KERNEL);
2279 		if (!copy)
2283 	rc = dasd_devmap_set_copy_relation(prim_devmap, copy, prim_busid, true);
2288 	rc = dasd_devmap_set_copy_relation(sec_devmap, copy, sec_busid, false);
2296 	if (prim_devmap->device && !prim_devmap->device->copy) {
2307 		dasd_devmap_del_copy_relation(copy, prim_busid);
2308 		dasd_devmap_del_copy_relation(copy, sec_busid);
2321 	struct dasd_copy_relation *copy;
2329 	if (!device->copy) {
2333 	copy = device->copy;
2335 	if (copy->active->device == device) {
2340 		if (copy->entry[i].device == device) {