sys/kern/kern_osd.c

43 #include <sys/osd.h>
47 static MALLOC_DEFINE(M_OSD, "osd", "Object Specific Data");
50 TUNABLE_INT("debug.osd", &osd_debug);
51 SYSCTL_INT(_debug, OID_AUTO, osd, CTLFLAG_RW, &osd_debug, 0, "OSD debug level");
61 static void do_osd_del(u_int type, struct osd *osd, u_int slot,
72 static LIST_HEAD(, osd)	osd_list[OSD_LAST + 1];		/* (m) */
150 	struct osd *osd, *tosd;
162 	LIST_FOREACH_SAFE(osd, &osd_list[type], osd_next, tosd)
163 		do_osd_del(type, osd, slot, 1);
196 osd_set(u_int type, struct osd *osd, u_int slot, void *value)
205 	if (slot > osd->osd_nslots) {
212 		} else if (osd->osd_nslots == 0) {
217 			osd->osd_slots = malloc(sizeof(void *) * slot, M_OSD,
219 			if (osd->osd_slots == NULL) {
223 			osd->osd_nslots = slot;
225 			LIST_INSERT_HEAD(&osd_list[type], osd, osd_next);
235 			newptr = realloc(osd->osd_slots, sizeof(void *) * slot,
241 			osd->osd_slots = newptr;
242 			osd->osd_nslots = slot;
248 	osd->osd_slots[slot - 1] = value;
254 osd_get(u_int type, struct osd *osd, u_int slot)
264 	if (slot > osd->osd_nslots) {
268 		value = osd->osd_slots[slot - 1];
277 osd_del(u_int type, struct osd *osd, u_int slot)
282 	do_osd_del(type, osd, slot, 0);
287 do_osd_del(u_int type, struct osd *osd, u_int slot, int list_locked)
297 	if (slot > osd->osd_nslots) {
301 	if (osd->osd_slots[slot - 1] != NULL) {
302 		osd_destructors[type][slot - 1](osd->osd_slots[slot - 1]);
303 		osd->osd_slots[slot - 1] = NULL;
305 	for (i = osd->osd_nslots - 1; i >= 0; i--) {
306 		if (osd->osd_slots[i] != NULL) {
317 		LIST_REMOVE(osd, osd_next);
320 		free(osd->osd_slots, M_OSD);
321 		osd->osd_slots = NULL;
322 		osd->osd_nslots = 0;
323 	} else if (slot == osd->osd_nslots) {
325 		osd->osd_slots = realloc(osd->osd_slots,
331 		KASSERT(osd->osd_slots != NULL, ("realloc() failed"));
332 		osd->osd_nslots = i + 1;
334 		    osd->osd_nslots, type);
364 osd_exit(u_int type, struct osd *osd)
371 	if (osd->osd_nslots == 0) {
372 		KASSERT(osd->osd_slots == NULL, ("Non-null osd_slots."));
378 	for (i = 1; i <= osd->osd_nslots; i++) {
380 			do_osd_del(type, osd, i, 0);
403 SYSINIT(osd, SI_SUB_LOCK, SI_ORDER_ANY, osd_init, NULL);