1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include "statcommon.h" 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #include <string.h> 32*0Sstevel@tonic-gate #include <errno.h> 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate /* max size of report change annotations */ 35*0Sstevel@tonic-gate #define LIST_SIZE 512 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate static char cpus_added[LIST_SIZE]; 38*0Sstevel@tonic-gate static char cpus_removed[LIST_SIZE]; 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate static int 41*0Sstevel@tonic-gate cpu_walk(struct snapshot *old, struct snapshot *new, 42*0Sstevel@tonic-gate snapshot_cb cb, void *data) 43*0Sstevel@tonic-gate { 44*0Sstevel@tonic-gate int changed = 0; 45*0Sstevel@tonic-gate int i; 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate /* CPUs can change state but not re-order */ 48*0Sstevel@tonic-gate for (i = 0; i < new->s_nr_cpus; i++) { 49*0Sstevel@tonic-gate struct cpu_snapshot *cpu = NULL; 50*0Sstevel@tonic-gate struct cpu_snapshot *newcpu = &new->s_cpus[i]; 51*0Sstevel@tonic-gate if (old) 52*0Sstevel@tonic-gate cpu = &old->s_cpus[i]; 53*0Sstevel@tonic-gate cb(cpu, newcpu, data); 54*0Sstevel@tonic-gate if (cpu == NULL) 55*0Sstevel@tonic-gate changed = 1; 56*0Sstevel@tonic-gate else { 57*0Sstevel@tonic-gate /* 58*0Sstevel@tonic-gate * We only care about off/on line transitions 59*0Sstevel@tonic-gate */ 60*0Sstevel@tonic-gate if ((CPU_ACTIVE(cpu) && !CPU_ACTIVE(newcpu)) || 61*0Sstevel@tonic-gate (!CPU_ACTIVE(cpu) && CPU_ACTIVE(newcpu))) 62*0Sstevel@tonic-gate changed = 1; 63*0Sstevel@tonic-gate if ((new->s_types & SNAP_PSETS) && 64*0Sstevel@tonic-gate cpu->cs_pset_id != newcpu->cs_pset_id) 65*0Sstevel@tonic-gate changed = 1; 66*0Sstevel@tonic-gate } 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate } 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate return (changed); 71*0Sstevel@tonic-gate } 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate static int 74*0Sstevel@tonic-gate pset_walk(struct snapshot *old, struct snapshot *new, 75*0Sstevel@tonic-gate snapshot_cb cb, void *data) 76*0Sstevel@tonic-gate { 77*0Sstevel@tonic-gate int i = 0; 78*0Sstevel@tonic-gate int j = 0; 79*0Sstevel@tonic-gate int changed = 0; 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate while (old && i < old->s_nr_psets && j < new->s_nr_psets) { 82*0Sstevel@tonic-gate if (old->s_psets[i].ps_id < new->s_psets[j].ps_id) { 83*0Sstevel@tonic-gate cb(&old->s_psets[i], NULL, data); 84*0Sstevel@tonic-gate i++; 85*0Sstevel@tonic-gate changed = 1; 86*0Sstevel@tonic-gate } else if (old->s_psets[i].ps_id > new->s_psets[j].ps_id) { 87*0Sstevel@tonic-gate cb(NULL, &new->s_psets[j], data); 88*0Sstevel@tonic-gate j++; 89*0Sstevel@tonic-gate changed = 1; 90*0Sstevel@tonic-gate } else { 91*0Sstevel@tonic-gate cb(&old->s_psets[i], &new->s_psets[j], data); 92*0Sstevel@tonic-gate i++; 93*0Sstevel@tonic-gate j++; 94*0Sstevel@tonic-gate } 95*0Sstevel@tonic-gate } 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate while (old && i < old->s_nr_psets) { 98*0Sstevel@tonic-gate cb(&old->s_psets[i], NULL, data); 99*0Sstevel@tonic-gate i++; 100*0Sstevel@tonic-gate changed = 1; 101*0Sstevel@tonic-gate } 102*0Sstevel@tonic-gate 103*0Sstevel@tonic-gate while (j < new->s_nr_psets) { 104*0Sstevel@tonic-gate cb(NULL, &new->s_psets[j], data); 105*0Sstevel@tonic-gate j++; 106*0Sstevel@tonic-gate changed = 1; 107*0Sstevel@tonic-gate } 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate return (changed); 110*0Sstevel@tonic-gate } 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate static int 113*0Sstevel@tonic-gate iodev_walk(struct iodev_snapshot *d1, struct iodev_snapshot *d2, 114*0Sstevel@tonic-gate snapshot_cb cb, void *data) 115*0Sstevel@tonic-gate { 116*0Sstevel@tonic-gate int changed = 0; 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate while (d1 && d2) { 119*0Sstevel@tonic-gate if (strcmp(d1->is_name, d2->is_name) < 0) { 120*0Sstevel@tonic-gate changed = 1; 121*0Sstevel@tonic-gate cb(d1, NULL, data); 122*0Sstevel@tonic-gate (void) iodev_walk(d1->is_children, NULL, cb, data); 123*0Sstevel@tonic-gate d1 = d1->is_next; 124*0Sstevel@tonic-gate } else if (strcmp(d1->is_name, d2->is_name) > 0) { 125*0Sstevel@tonic-gate changed = 1; 126*0Sstevel@tonic-gate cb(NULL, d2, data); 127*0Sstevel@tonic-gate (void) iodev_walk(NULL, d2->is_children, cb, data); 128*0Sstevel@tonic-gate d2 = d2->is_next; 129*0Sstevel@tonic-gate } else { 130*0Sstevel@tonic-gate cb(d1, d2, data); 131*0Sstevel@tonic-gate changed |= iodev_walk(d1->is_children, 132*0Sstevel@tonic-gate d2->is_children, cb, data); 133*0Sstevel@tonic-gate d1 = d1->is_next; 134*0Sstevel@tonic-gate d2 = d2->is_next; 135*0Sstevel@tonic-gate } 136*0Sstevel@tonic-gate } 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate while (d1) { 139*0Sstevel@tonic-gate changed = 1; 140*0Sstevel@tonic-gate cb(d1, NULL, data); 141*0Sstevel@tonic-gate (void) iodev_walk(d1->is_children, NULL, cb, data); 142*0Sstevel@tonic-gate d1 = d1->is_next; 143*0Sstevel@tonic-gate } 144*0Sstevel@tonic-gate 145*0Sstevel@tonic-gate while (d2) { 146*0Sstevel@tonic-gate changed = 1; 147*0Sstevel@tonic-gate cb(NULL, d2, data); 148*0Sstevel@tonic-gate (void) iodev_walk(NULL, d2->is_children, cb, data); 149*0Sstevel@tonic-gate d2 = d2->is_next; 150*0Sstevel@tonic-gate } 151*0Sstevel@tonic-gate 152*0Sstevel@tonic-gate return (changed); 153*0Sstevel@tonic-gate } 154*0Sstevel@tonic-gate 155*0Sstevel@tonic-gate int 156*0Sstevel@tonic-gate snapshot_walk(enum snapshot_types type, struct snapshot *old, 157*0Sstevel@tonic-gate struct snapshot *new, snapshot_cb cb, void *data) 158*0Sstevel@tonic-gate { 159*0Sstevel@tonic-gate int changed = 0; 160*0Sstevel@tonic-gate 161*0Sstevel@tonic-gate switch (type) { 162*0Sstevel@tonic-gate case SNAP_CPUS: 163*0Sstevel@tonic-gate changed = cpu_walk(old, new, cb, data); 164*0Sstevel@tonic-gate break; 165*0Sstevel@tonic-gate 166*0Sstevel@tonic-gate case SNAP_PSETS: 167*0Sstevel@tonic-gate changed = pset_walk(old, new, cb, data); 168*0Sstevel@tonic-gate break; 169*0Sstevel@tonic-gate 170*0Sstevel@tonic-gate case SNAP_CONTROLLERS: 171*0Sstevel@tonic-gate case SNAP_IODEVS: 172*0Sstevel@tonic-gate case SNAP_IOPATHS: 173*0Sstevel@tonic-gate changed = iodev_walk(old ? old->s_iodevs : NULL, 174*0Sstevel@tonic-gate new->s_iodevs, cb, data); 175*0Sstevel@tonic-gate break; 176*0Sstevel@tonic-gate 177*0Sstevel@tonic-gate default: 178*0Sstevel@tonic-gate break; 179*0Sstevel@tonic-gate } 180*0Sstevel@tonic-gate 181*0Sstevel@tonic-gate return (changed); 182*0Sstevel@tonic-gate } 183*0Sstevel@tonic-gate 184*0Sstevel@tonic-gate static void 185*0Sstevel@tonic-gate add_nr_to_list(char *buf, unsigned long nr) 186*0Sstevel@tonic-gate { 187*0Sstevel@tonic-gate char tmp[LIST_SIZE]; 188*0Sstevel@tonic-gate 189*0Sstevel@tonic-gate (void) snprintf(tmp, LIST_SIZE, "%lu", nr); 190*0Sstevel@tonic-gate 191*0Sstevel@tonic-gate if (strlen(buf)) 192*0Sstevel@tonic-gate (void) strlcat(buf, ", ", LIST_SIZE); 193*0Sstevel@tonic-gate 194*0Sstevel@tonic-gate (void) strlcat(buf, tmp, LIST_SIZE); 195*0Sstevel@tonic-gate } 196*0Sstevel@tonic-gate 197*0Sstevel@tonic-gate static void 198*0Sstevel@tonic-gate cpu_report(void *v1, void *v2, void *data) 199*0Sstevel@tonic-gate { 200*0Sstevel@tonic-gate int *pset = (int *)data; 201*0Sstevel@tonic-gate struct cpu_snapshot *c1 = (struct cpu_snapshot *)v1; 202*0Sstevel@tonic-gate struct cpu_snapshot *c2 = (struct cpu_snapshot *)v2; 203*0Sstevel@tonic-gate 204*0Sstevel@tonic-gate if (*pset && c1->cs_pset_id != c2->cs_pset_id) { 205*0Sstevel@tonic-gate (void) printf("<<processor %d moved from pset: %d to: %d>>\n", 206*0Sstevel@tonic-gate c1->cs_id, c1->cs_pset_id, c2->cs_pset_id); 207*0Sstevel@tonic-gate } 208*0Sstevel@tonic-gate 209*0Sstevel@tonic-gate if (c1->cs_state == c2->cs_state) 210*0Sstevel@tonic-gate return; 211*0Sstevel@tonic-gate 212*0Sstevel@tonic-gate if (CPU_ONLINE(c1->cs_state) && !CPU_ONLINE(c2->cs_state)) 213*0Sstevel@tonic-gate add_nr_to_list(cpus_removed, c1->cs_id); 214*0Sstevel@tonic-gate 215*0Sstevel@tonic-gate if (!CPU_ONLINE(c1->cs_state) && CPU_ONLINE(c2->cs_state)) 216*0Sstevel@tonic-gate add_nr_to_list(cpus_added, c2->cs_id); 217*0Sstevel@tonic-gate } 218*0Sstevel@tonic-gate 219*0Sstevel@tonic-gate /*ARGSUSED*/ 220*0Sstevel@tonic-gate static void 221*0Sstevel@tonic-gate pset_report(void *v1, void *v2, void *data) 222*0Sstevel@tonic-gate { 223*0Sstevel@tonic-gate struct pset_snapshot *p1 = (struct pset_snapshot *)v1; 224*0Sstevel@tonic-gate struct pset_snapshot *p2 = (struct pset_snapshot *)v2; 225*0Sstevel@tonic-gate 226*0Sstevel@tonic-gate if (p2 == NULL) { 227*0Sstevel@tonic-gate (void) printf("<<pset destroyed: %u>>\n", p1->ps_id); 228*0Sstevel@tonic-gate return; 229*0Sstevel@tonic-gate } 230*0Sstevel@tonic-gate 231*0Sstevel@tonic-gate if (p1 == NULL) 232*0Sstevel@tonic-gate (void) printf("<<pset created: %u>>\n", p2->ps_id); 233*0Sstevel@tonic-gate } 234*0Sstevel@tonic-gate 235*0Sstevel@tonic-gate static void 236*0Sstevel@tonic-gate get_child_list(struct iodev_snapshot *iodev, char *buf) 237*0Sstevel@tonic-gate { 238*0Sstevel@tonic-gate char tmp[LIST_SIZE]; 239*0Sstevel@tonic-gate struct iodev_snapshot *pos = iodev->is_children; 240*0Sstevel@tonic-gate 241*0Sstevel@tonic-gate while (pos) { 242*0Sstevel@tonic-gate if (pos->is_type == IODEV_PARTITION) { 243*0Sstevel@tonic-gate add_nr_to_list(buf, pos->is_id.id); 244*0Sstevel@tonic-gate } else if (pos->is_type == IODEV_DISK) { 245*0Sstevel@tonic-gate if (strlen(buf)) 246*0Sstevel@tonic-gate (void) strlcat(buf, ", ", LIST_SIZE); 247*0Sstevel@tonic-gate (void) strlcat(buf, "t", LIST_SIZE); 248*0Sstevel@tonic-gate (void) strlcat(buf, pos->is_id.tid, LIST_SIZE); 249*0Sstevel@tonic-gate (void) strlcat(buf, "d", LIST_SIZE); 250*0Sstevel@tonic-gate *tmp = '\0'; 251*0Sstevel@tonic-gate add_nr_to_list(tmp, pos->is_id.id); 252*0Sstevel@tonic-gate (void) strlcat(buf, tmp, LIST_SIZE); 253*0Sstevel@tonic-gate } 254*0Sstevel@tonic-gate pos = pos->is_next; 255*0Sstevel@tonic-gate } 256*0Sstevel@tonic-gate } 257*0Sstevel@tonic-gate 258*0Sstevel@tonic-gate static void 259*0Sstevel@tonic-gate iodev_changed(struct iodev_snapshot *iodev, int added) 260*0Sstevel@tonic-gate { 261*0Sstevel@tonic-gate char tmp[LIST_SIZE]; 262*0Sstevel@tonic-gate int is_disk = iodev->is_type == IODEV_DISK; 263*0Sstevel@tonic-gate char *name = iodev->is_name; 264*0Sstevel@tonic-gate 265*0Sstevel@tonic-gate if (iodev->is_pretty) 266*0Sstevel@tonic-gate name = iodev->is_pretty; 267*0Sstevel@tonic-gate 268*0Sstevel@tonic-gate switch (iodev->is_type) { 269*0Sstevel@tonic-gate case IODEV_IOPATH: 270*0Sstevel@tonic-gate (void) printf("<<multi-path %s: %s>>\n", 271*0Sstevel@tonic-gate added ? "added" : "removed", name); 272*0Sstevel@tonic-gate break; 273*0Sstevel@tonic-gate case IODEV_PARTITION: 274*0Sstevel@tonic-gate (void) printf("<<partition %s: %s>>\n", 275*0Sstevel@tonic-gate added ? "added" : "removed", name); 276*0Sstevel@tonic-gate break; 277*0Sstevel@tonic-gate case IODEV_NFS: 278*0Sstevel@tonic-gate (void) printf("<<NFS %s: %s>>\n", 279*0Sstevel@tonic-gate added ? "mounted" : "unmounted", name); 280*0Sstevel@tonic-gate break; 281*0Sstevel@tonic-gate case IODEV_TAPE: 282*0Sstevel@tonic-gate (void) printf("<<device %s: %s>>\n", 283*0Sstevel@tonic-gate added ? "added" : "removed", name); 284*0Sstevel@tonic-gate break; 285*0Sstevel@tonic-gate case IODEV_CONTROLLER: 286*0Sstevel@tonic-gate case IODEV_DISK: 287*0Sstevel@tonic-gate *tmp = '\0'; 288*0Sstevel@tonic-gate get_child_list(iodev, tmp); 289*0Sstevel@tonic-gate (void) printf("<<%s %s: %s", is_disk ? "disk" : "controller", 290*0Sstevel@tonic-gate added ? "added" : "removed", name); 291*0Sstevel@tonic-gate if (!*tmp) { 292*0Sstevel@tonic-gate (void) printf(">>\n"); 293*0Sstevel@tonic-gate return; 294*0Sstevel@tonic-gate } 295*0Sstevel@tonic-gate (void) printf(" (%s %s)>>\n", is_disk ? "slices" : "disks", 296*0Sstevel@tonic-gate tmp); 297*0Sstevel@tonic-gate break; 298*0Sstevel@tonic-gate }; 299*0Sstevel@tonic-gate } 300*0Sstevel@tonic-gate 301*0Sstevel@tonic-gate static void 302*0Sstevel@tonic-gate iodev_report(struct iodev_snapshot *d1, struct iodev_snapshot *d2) 303*0Sstevel@tonic-gate { 304*0Sstevel@tonic-gate while (d1 && d2) { 305*0Sstevel@tonic-gate if (iodev_cmp(d1, d2) < 0) { 306*0Sstevel@tonic-gate iodev_changed(d1, 0); 307*0Sstevel@tonic-gate d1 = d1->is_next; 308*0Sstevel@tonic-gate } else if (iodev_cmp(d1, d2) > 0) { 309*0Sstevel@tonic-gate iodev_changed(d2, 1); 310*0Sstevel@tonic-gate d2 = d2->is_next; 311*0Sstevel@tonic-gate } else { 312*0Sstevel@tonic-gate iodev_report(d1->is_children, d2->is_children); 313*0Sstevel@tonic-gate d1 = d1->is_next; 314*0Sstevel@tonic-gate d2 = d2->is_next; 315*0Sstevel@tonic-gate } 316*0Sstevel@tonic-gate } 317*0Sstevel@tonic-gate 318*0Sstevel@tonic-gate while (d1) { 319*0Sstevel@tonic-gate iodev_changed(d1, 0); 320*0Sstevel@tonic-gate d1 = d1->is_next; 321*0Sstevel@tonic-gate } 322*0Sstevel@tonic-gate 323*0Sstevel@tonic-gate while (d2) { 324*0Sstevel@tonic-gate iodev_changed(d2, 1); 325*0Sstevel@tonic-gate d2 = d2->is_next; 326*0Sstevel@tonic-gate } 327*0Sstevel@tonic-gate } 328*0Sstevel@tonic-gate 329*0Sstevel@tonic-gate void 330*0Sstevel@tonic-gate snapshot_report_changes(struct snapshot *old, struct snapshot *new) 331*0Sstevel@tonic-gate { 332*0Sstevel@tonic-gate int pset; 333*0Sstevel@tonic-gate 334*0Sstevel@tonic-gate if (old == NULL || new == NULL) 335*0Sstevel@tonic-gate return; 336*0Sstevel@tonic-gate 337*0Sstevel@tonic-gate if (old->s_types != new->s_types) 338*0Sstevel@tonic-gate return; 339*0Sstevel@tonic-gate 340*0Sstevel@tonic-gate pset = old->s_types & SNAP_PSETS; 341*0Sstevel@tonic-gate 342*0Sstevel@tonic-gate cpus_removed[0] = '\0'; 343*0Sstevel@tonic-gate cpus_added[0] = '\0'; 344*0Sstevel@tonic-gate 345*0Sstevel@tonic-gate if (old->s_types & SNAP_CPUS) 346*0Sstevel@tonic-gate (void) snapshot_walk(SNAP_CPUS, old, new, cpu_report, &pset); 347*0Sstevel@tonic-gate 348*0Sstevel@tonic-gate if (cpus_added[0]) { 349*0Sstevel@tonic-gate (void) printf("<<processors added: %s>>\n", 350*0Sstevel@tonic-gate cpus_added); 351*0Sstevel@tonic-gate } 352*0Sstevel@tonic-gate if (cpus_removed[0]) { 353*0Sstevel@tonic-gate (void) printf("<<processors removed: %s>>\n", 354*0Sstevel@tonic-gate cpus_removed); 355*0Sstevel@tonic-gate } 356*0Sstevel@tonic-gate if (pset) { 357*0Sstevel@tonic-gate (void) snapshot_walk(SNAP_PSETS, old, new, 358*0Sstevel@tonic-gate pset_report, NULL); 359*0Sstevel@tonic-gate } 360*0Sstevel@tonic-gate 361*0Sstevel@tonic-gate iodev_report(old->s_iodevs, new->s_iodevs); 362*0Sstevel@tonic-gate } 363*0Sstevel@tonic-gate 364*0Sstevel@tonic-gate /*ARGSUSED*/ 365*0Sstevel@tonic-gate static void 366*0Sstevel@tonic-gate dummy_cb(void *v1, void *v2, void *data) 367*0Sstevel@tonic-gate { 368*0Sstevel@tonic-gate } 369*0Sstevel@tonic-gate 370*0Sstevel@tonic-gate int 371*0Sstevel@tonic-gate snapshot_has_changed(struct snapshot *old, struct snapshot *new) 372*0Sstevel@tonic-gate { 373*0Sstevel@tonic-gate int ret = 0; 374*0Sstevel@tonic-gate int cpu_mask = SNAP_CPUS | SNAP_PSETS | SNAP_SYSTEM; 375*0Sstevel@tonic-gate int iodev_mask = SNAP_CONTROLLERS | SNAP_IODEVS | SNAP_IOPATHS; 376*0Sstevel@tonic-gate 377*0Sstevel@tonic-gate if (old == NULL) 378*0Sstevel@tonic-gate return (1); 379*0Sstevel@tonic-gate 380*0Sstevel@tonic-gate if (new == NULL) 381*0Sstevel@tonic-gate return (EINVAL); 382*0Sstevel@tonic-gate 383*0Sstevel@tonic-gate if (old->s_types != new->s_types) 384*0Sstevel@tonic-gate return (EINVAL); 385*0Sstevel@tonic-gate 386*0Sstevel@tonic-gate if (!ret && (old->s_types & cpu_mask)) 387*0Sstevel@tonic-gate ret = snapshot_walk(SNAP_CPUS, old, new, dummy_cb, NULL); 388*0Sstevel@tonic-gate if (!ret && (old->s_types & SNAP_PSETS)) 389*0Sstevel@tonic-gate ret = snapshot_walk(SNAP_PSETS, old, new, dummy_cb, NULL); 390*0Sstevel@tonic-gate if (!ret && (old->s_types & iodev_mask)) 391*0Sstevel@tonic-gate ret = snapshot_walk(SNAP_IODEVS, old, new, dummy_cb, NULL); 392*0Sstevel@tonic-gate 393*0Sstevel@tonic-gate return (ret); 394*0Sstevel@tonic-gate } 395