geom_slice.c revision 107953
192108Sphk/*- 292108Sphk * Copyright (c) 2002 Poul-Henning Kamp 392108Sphk * Copyright (c) 2002 Networks Associates Technology, Inc. 492108Sphk * All rights reserved. 592108Sphk * 692108Sphk * This software was developed for the FreeBSD Project by Poul-Henning Kamp 792108Sphk * and NAI Labs, the Security Research Division of Network Associates, Inc. 892108Sphk * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the 992108Sphk * DARPA CHATS research program. 1092108Sphk * 1192108Sphk * Redistribution and use in source and binary forms, with or without 1292108Sphk * modification, are permitted provided that the following conditions 1392108Sphk * are met: 1492108Sphk * 1. Redistributions of source code must retain the above copyright 1592108Sphk * notice, this list of conditions and the following disclaimer. 1692108Sphk * 2. Redistributions in binary form must reproduce the above copyright 1792108Sphk * notice, this list of conditions and the following disclaimer in the 1892108Sphk * documentation and/or other materials provided with the distribution. 1992108Sphk * 3. The names of the authors may not be used to endorse or promote 2092108Sphk * products derived from this software without specific prior written 2192108Sphk * permission. 2292108Sphk * 2392108Sphk * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 2492108Sphk * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2592108Sphk * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2692108Sphk * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2792108Sphk * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2892108Sphk * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2992108Sphk * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3092108Sphk * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3192108Sphk * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3292108Sphk * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3392108Sphk * SUCH DAMAGE. 3492108Sphk * 3592108Sphk * $FreeBSD: head/sys/geom/geom_slice.c 107953 2002-12-16 22:33:27Z phk $ 3692108Sphk */ 3792108Sphk 3892108Sphk 3992108Sphk#include <sys/param.h> 40105540Sphk#include <sys/stdint.h> 4192108Sphk#ifndef _KERNEL 4292108Sphk#include <stdio.h> 4392108Sphk#include <unistd.h> 4492108Sphk#include <stdlib.h> 4592108Sphk#include <signal.h> 4696952Sphk#include <string.h> 4792108Sphk#include <err.h> 4892108Sphk#else 4992108Sphk#include <sys/systm.h> 5092108Sphk#include <sys/kernel.h> 5192108Sphk#include <sys/malloc.h> 5292108Sphk#include <sys/bio.h> 5392108Sphk#include <sys/sysctl.h> 5492108Sphk#include <sys/proc.h> 5592108Sphk#include <sys/kthread.h> 5692108Sphk#include <sys/lock.h> 5792108Sphk#include <sys/mutex.h> 5892108Sphk#endif 5992108Sphk#include <sys/errno.h> 6092108Sphk#include <sys/sbuf.h> 6192108Sphk#include <geom/geom.h> 6292108Sphk#include <geom/geom_slice.h> 6392108Sphk#include <machine/stdarg.h> 6492108Sphk 6593776Sphkstatic g_orphan_t g_slice_orphan; 6693776Sphkstatic g_access_t g_slice_access; 6793776Sphkstatic g_start_t g_slice_start; 6893776Sphk 6995321Sphkstatic struct g_slicer * 7092108Sphkg_slice_init(unsigned nslice, unsigned scsize) 7192108Sphk{ 7292108Sphk struct g_slicer *gsp; 7392108Sphk 7492371Sphk gsp = g_malloc(sizeof *gsp, M_WAITOK | M_ZERO); 7592371Sphk gsp->softc = g_malloc(scsize, M_WAITOK | M_ZERO); 76104057Sphk gsp->slices = g_malloc(nslice * sizeof(struct g_slice), 77104057Sphk M_WAITOK | M_ZERO); 7892108Sphk gsp->nslice = nslice; 7992108Sphk return (gsp); 8092108Sphk} 8192108Sphk 8293776Sphkstatic int 8392108Sphkg_slice_access(struct g_provider *pp, int dr, int dw, int de) 8492108Sphk{ 85107953Sphk int error; 86107953Sphk u_int u; 8792108Sphk struct g_geom *gp; 8892108Sphk struct g_consumer *cp; 8992108Sphk struct g_provider *pp2; 9092108Sphk struct g_slicer *gsp; 9192108Sphk struct g_slice *gsl, *gsl2; 9292108Sphk 9392108Sphk gp = pp->geom; 9492108Sphk cp = LIST_FIRST(&gp->consumer); 9592108Sphk KASSERT (cp != NULL, ("g_slice_access but no consumer")); 9692108Sphk gsp = gp->softc; 9792108Sphk gsl = &gsp->slices[pp->index]; 98107953Sphk for (u = 0; u < gsp->nslice; u++) { 99107953Sphk gsl2 = &gsp->slices[u]; 10092108Sphk if (gsl2->length == 0) 10192108Sphk continue; 102107953Sphk if (u == pp->index) 10392108Sphk continue; 10492108Sphk if (gsl->offset + gsl->length <= gsl2->offset) 10592108Sphk continue; 10692108Sphk if (gsl2->offset + gsl2->length <= gsl->offset) 10792108Sphk continue; 10892108Sphk /* overlap */ 10992108Sphk pp2 = gsl2->provider; 11092108Sphk if ((pp->acw + dw) > 0 && pp2->ace > 0) 11192108Sphk return (EPERM); 11292108Sphk if ((pp->ace + de) > 0 && pp2->acw > 0) 11392108Sphk return (EPERM); 11492108Sphk } 11592108Sphk /* On first open, grab an extra "exclusive" bit */ 11692108Sphk if (cp->acr == 0 && cp->acw == 0 && cp->ace == 0) 11792108Sphk de++; 11892108Sphk /* ... and let go of it on last close */ 11992108Sphk if ((cp->acr + dr) == 0 && (cp->acw + dw) == 0 && (cp->ace + de) == 1) 12092108Sphk de--; 12192108Sphk error = g_access_rel(cp, dr, dw, de); 12292108Sphk return (error); 12392108Sphk} 12492108Sphk 125107522Sphkvoid 126107522Sphkg_slice_finish_hot(struct bio *bp) 127107522Sphk{ 128107522Sphk struct bio *bp2; 129107522Sphk struct g_geom *gp; 130107522Sphk struct g_consumer *cp; 131107522Sphk struct g_slicer *gsp; 132107522Sphk struct g_slice *gsl; 133107953Sphk int idx; 134107522Sphk 135107522Sphk KASSERT(bp->bio_to != NULL, ("NULL bio_to in g_slice_finish_hot(%p)", bp)); 136107522Sphk KASSERT(bp->bio_from != NULL, ("NULL bio_from in g_slice_finish_hot(%p)", bp)); 137107522Sphk gp = bp->bio_to->geom; 138107522Sphk gsp = gp->softc; 139107522Sphk cp = LIST_FIRST(&gp->consumer); 140107522Sphk KASSERT(cp != NULL, ("NULL consumer in g_slice_finish_hot(%p)", bp)); 141107953Sphk idx = bp->bio_to->index; 142107953Sphk gsl = &gsp->slices[idx]; 143107522Sphk 144107522Sphk bp2 = g_clone_bio(bp); 145107522Sphk if (bp2 == NULL) { 146107522Sphk g_io_deliver(bp, ENOMEM); 147107522Sphk return; 148107522Sphk } 149107522Sphk if (bp2->bio_offset + bp2->bio_length > gsl->length) 150107522Sphk bp2->bio_length = gsl->length - bp2->bio_offset; 151107522Sphk bp2->bio_done = g_std_done; 152107522Sphk bp2->bio_offset += gsl->offset; 153107522Sphk g_io_request(bp2, cp); 154107522Sphk return; 155107522Sphk} 156107522Sphk 15793776Sphkstatic void 15892108Sphkg_slice_start(struct bio *bp) 15992108Sphk{ 16092108Sphk struct bio *bp2; 16192108Sphk struct g_provider *pp; 16292108Sphk struct g_geom *gp; 16392108Sphk struct g_consumer *cp; 16492108Sphk struct g_slicer *gsp; 165107522Sphk struct g_slice *gsl, *gmp; 166107953Sphk int idx, error; 167107522Sphk u_int m_index; 16894287Sphk off_t t; 16992108Sphk 17092108Sphk pp = bp->bio_to; 17192108Sphk gp = pp->geom; 17292108Sphk gsp = gp->softc; 17392108Sphk cp = LIST_FIRST(&gp->consumer); 174107953Sphk idx = pp->index; 175107953Sphk gsl = &gsp->slices[idx]; 17692108Sphk switch(bp->bio_cmd) { 17792108Sphk case BIO_READ: 17892108Sphk case BIO_WRITE: 17992108Sphk case BIO_DELETE: 18092108Sphk if (bp->bio_offset > gsl->length) { 181104195Sphk g_io_deliver(bp, EINVAL); /* XXX: EWHAT ? */ 18292108Sphk return; 18392108Sphk } 184107522Sphk /* 185107522Sphk * Check if we collide with any hot spaces, and call the 186107522Sphk * method once if so. 187107522Sphk */ 188107832Sphk t = bp->bio_offset + gsl->offset; 189107522Sphk for (m_index = 0; m_index < gsp->nhot; m_index++) { 190107522Sphk gmp = &gsp->hot[m_index]; 191107832Sphk if (t >= gmp->offset + gmp->length) 192107522Sphk continue; 193107832Sphk if (t + bp->bio_length <= gmp->offset) 194107522Sphk continue; 195107522Sphk error = gsp->start(bp); 196107522Sphk if (error == EJUSTRETURN) 197107522Sphk return; 198107522Sphk else if (error) { 199107522Sphk g_io_deliver(bp, error); 200107522Sphk return; 201107522Sphk } 202107522Sphk break; 203107522Sphk } 20492108Sphk bp2 = g_clone_bio(bp); 205104057Sphk if (bp2 == NULL) { 206104195Sphk g_io_deliver(bp, ENOMEM); 207104057Sphk return; 208104057Sphk } 20992108Sphk if (bp2->bio_offset + bp2->bio_length > gsl->length) 21092108Sphk bp2->bio_length = gsl->length - bp2->bio_offset; 21192108Sphk bp2->bio_done = g_std_done; 21292108Sphk bp2->bio_offset += gsl->offset; 21392108Sphk g_io_request(bp2, cp); 21492108Sphk return; 21592108Sphk case BIO_GETATTR: 21692108Sphk case BIO_SETATTR: 21794287Sphk /* Give the real method a chance to override */ 21894287Sphk if (gsp->start(bp)) 21994287Sphk return; 22094287Sphk if (!strcmp("GEOM::frontstuff", bp->bio_attribute)) { 22194287Sphk t = gsp->cfrontstuff; 22294287Sphk if (gsp->frontstuff > t) 22394287Sphk t = gsp->frontstuff; 22494287Sphk t -= gsl->offset; 22594287Sphk if (t < 0) 22694287Sphk t = 0; 22794287Sphk if (t > gsl->length) 22894287Sphk t = gsl->length; 22998066Sphk g_handleattr_off_t(bp, "GEOM::frontstuff", t); 23092108Sphk return; 23194287Sphk } 23295310Sphk#ifdef _KERNEL 23395038Sphk if (!strcmp("GEOM::kerneldump", bp->bio_attribute)) { 23495038Sphk struct g_kerneldump *gkd; 23595038Sphk 23695038Sphk gkd = (struct g_kerneldump *)bp->bio_data; 237107953Sphk gkd->offset += gsp->slices[idx].offset; 238107953Sphk if (gkd->length > gsp->slices[idx].length) 239107953Sphk gkd->length = gsp->slices[idx].length; 24095038Sphk /* now, pass it on downwards... */ 24195038Sphk } 24295310Sphk#endif 24392108Sphk bp2 = g_clone_bio(bp); 244104081Sphk if (bp2 == NULL) { 245104195Sphk g_io_deliver(bp, ENOMEM); 246104081Sphk return; 247104081Sphk } 24892108Sphk bp2->bio_done = g_std_done; 24992108Sphk g_io_request(bp2, cp); 25092108Sphk break; 25192108Sphk default: 252104195Sphk g_io_deliver(bp, EOPNOTSUPP); 25392108Sphk return; 25492108Sphk } 25592108Sphk} 25692108Sphk 25792108Sphkvoid 258107953Sphkg_slice_dumpconf(struct sbuf *sb, const char *indent, struct g_geom *gp, struct g_consumer *cp, struct g_provider *pp) 25992108Sphk{ 26092108Sphk struct g_slicer *gsp; 26192108Sphk 26292108Sphk gsp = gp->softc; 263106101Sphk if (indent == NULL) { 264106101Sphk sbuf_printf(sb, " i %u", pp->index); 265106101Sphk sbuf_printf(sb, " o %ju", 266106101Sphk (uintmax_t)gsp->slices[pp->index].offset); 267106101Sphk return; 268106101Sphk } 26995323Sphk if (gp != NULL && (pp == NULL && cp == NULL)) { 270105540Sphk sbuf_printf(sb, "%s<frontstuff>%ju</frontstuff>\n", 271105540Sphk indent, (intmax_t)gsp->frontstuff); 27294287Sphk } 27392108Sphk if (pp != NULL) { 27492108Sphk sbuf_printf(sb, "%s<index>%u</index>\n", indent, pp->index); 275105540Sphk sbuf_printf(sb, "%s<length>%ju</length>\n", 276105540Sphk indent, (uintmax_t)gsp->slices[pp->index].length); 277105540Sphk sbuf_printf(sb, "%s<seclength>%ju</seclength>\n", indent, 278105540Sphk (uintmax_t)gsp->slices[pp->index].length / 512); 279105540Sphk sbuf_printf(sb, "%s<offset>%ju</offset>\n", indent, 280105540Sphk (uintmax_t)gsp->slices[pp->index].offset); 281105540Sphk sbuf_printf(sb, "%s<secoffset>%ju</secoffset>\n", indent, 282105540Sphk (uintmax_t)gsp->slices[pp->index].offset / 512); 28392108Sphk } 28492108Sphk} 28592108Sphk 286104064Sphkint 287107953Sphkg_slice_config(struct g_geom *gp, u_int idx, int how, off_t offset, off_t length, u_int sectorsize, const char *fmt, ...) 288104064Sphk{ 289104064Sphk struct g_provider *pp; 290104064Sphk struct g_slicer *gsp; 291104064Sphk struct g_slice *gsl; 292104064Sphk va_list ap; 293104064Sphk struct sbuf *sb; 294104064Sphk int error, acc; 295104064Sphk 296104195Sphk g_trace(G_T_TOPOLOGY, "g_slice_config(%s, %d, %d)", 297107953Sphk gp->name, idx, how); 298104064Sphk g_topology_assert(); 299104064Sphk gsp = gp->softc; 300104064Sphk error = 0; 301107953Sphk if (idx >= gsp->nslice) 302104064Sphk return(EINVAL); 303107953Sphk gsl = &gsp->slices[idx]; 304104064Sphk pp = gsl->provider; 305104064Sphk if (pp != NULL) 306104064Sphk acc = pp->acr + pp->acw + pp->ace; 307104064Sphk else 308104064Sphk acc = 0; 309104064Sphk if (acc != 0 && how != G_SLICE_CONFIG_FORCE) { 310104064Sphk if (length < gsl->length) 311104064Sphk return(EBUSY); 312104064Sphk if (offset != gsl->offset) 313104064Sphk return(EBUSY); 314104064Sphk } 315104064Sphk /* XXX: check offset + length <= MEDIASIZE */ 316104064Sphk if (how == G_SLICE_CONFIG_CHECK) 317104064Sphk return (0); 318104064Sphk gsl->length = length; 319104064Sphk gsl->offset = offset; 320105542Sphk gsl->sectorsize = sectorsize; 321105957Sphk if (length == 0) { 322105957Sphk if (pp == NULL) 323105957Sphk return (0); 324105957Sphk if (bootverbose) 325105957Sphk printf("GEOM: Deconfigure %s\n", pp->name); 326104064Sphk g_orphan_provider(pp, ENXIO); 327104064Sphk gsl->provider = NULL; 328104064Sphk gsp->nprovider--; 329104064Sphk return (0); 330104064Sphk } 331105957Sphk if (pp != NULL) { 332105957Sphk if (bootverbose) 333105957Sphk printf("GEOM: Reconfigure %s, start %jd length %jd end %jd\n", 334105957Sphk pp->name, (intmax_t)offset, (intmax_t)length, 335105957Sphk (intmax_t)(offset + length - 1)); 336107116Sphk pp->mediasize = gsl->length; 337105957Sphk return (0); 338105957Sphk } 339104064Sphk va_start(ap, fmt); 340104064Sphk sb = sbuf_new(NULL, NULL, 0, SBUF_AUTOEXTEND); 341104064Sphk sbuf_vprintf(sb, fmt, ap); 342104064Sphk sbuf_finish(sb); 343104064Sphk pp = g_new_providerf(gp, sbuf_data(sb)); 344105957Sphk if (bootverbose) 345105957Sphk printf("GEOM: Configure %s, start %jd length %jd end %jd\n", 346105957Sphk pp->name, (intmax_t)offset, (intmax_t)length, 347105957Sphk (intmax_t)(offset + length - 1)); 348107953Sphk pp->index = idx; 349105542Sphk pp->mediasize = gsl->length; 350105542Sphk pp->sectorsize = gsl->sectorsize; 351104064Sphk gsl->provider = pp; 352104064Sphk gsp->nprovider++; 353104064Sphk g_error_provider(pp, 0); 354104064Sphk sbuf_delete(sb); 355104064Sphk return(0); 356104064Sphk} 357104064Sphk 358107522Sphkint 359107953Sphkg_slice_conf_hot(struct g_geom *gp, u_int idx, off_t offset, off_t length) 360107522Sphk{ 361107522Sphk struct g_slicer *gsp; 362107522Sphk struct g_slice *gsl, *gsl2; 363107522Sphk 364107522Sphk g_trace(G_T_TOPOLOGY, "g_slice_conf_hot()"); 365107522Sphk g_topology_assert(); 366107522Sphk gsp = gp->softc; 367107522Sphk gsl = gsp->hot; 368107953Sphk if(idx >= gsp->nhot) { 369107953Sphk gsl2 = g_malloc((idx + 1) * sizeof *gsl2, M_WAITOK | M_ZERO); 370107522Sphk if (gsp->hot != NULL) 371107522Sphk bcopy(gsp->hot, gsl2, gsp->nhot * sizeof *gsl2); 372107522Sphk gsp->hot = gsl2; 373107522Sphk if (gsp->hot != NULL) 374107522Sphk g_free(gsl); 375107522Sphk gsl = gsl2; 376107953Sphk gsp->nhot = idx + 1; 377107522Sphk } 378107522Sphk if (bootverbose) 379107522Sphk printf("GEOM: Add %s hot[%d] start %jd length %jd end %jd\n", 380107953Sphk gp->name, idx, (intmax_t)offset, (intmax_t)length, 381107522Sphk (intmax_t)(offset + length - 1)); 382107953Sphk gsl[idx].offset = offset; 383107953Sphk gsl[idx].length = length; 384107522Sphk return (0); 385107522Sphk} 386107522Sphk 38792108Sphkstruct g_provider * 388107953Sphkg_slice_addslice(struct g_geom *gp, int idx, off_t offset, off_t length, u_int sectorsize, const char *fmt, ...) 38992108Sphk{ 39092108Sphk struct g_provider *pp; 39192108Sphk struct g_slicer *gsp; 39292108Sphk va_list ap; 39392108Sphk struct sbuf *sb; 39492108Sphk 39592108Sphk g_trace(G_T_TOPOLOGY, "g_slice_addslice()"); 396104064Sphk g_topology_assert(); 39792108Sphk gsp = gp->softc; 39892108Sphk va_start(ap, fmt); 39992108Sphk sb = sbuf_new(NULL, NULL, 0, SBUF_AUTOEXTEND); 40092108Sphk sbuf_vprintf(sb, fmt, ap); 40192108Sphk sbuf_finish(sb); 40292108Sphk pp = g_new_providerf(gp, sbuf_data(sb)); 40392108Sphk 404107953Sphk pp->index = idx; 405107953Sphk gsp->slices[idx].length = length; 406107953Sphk gsp->slices[idx].offset = offset; 407107953Sphk gsp->slices[idx].provider = pp; 408107953Sphk gsp->slices[idx].sectorsize = sectorsize; 409107953Sphk pp->mediasize = gsp->slices[idx].length; 410107953Sphk pp->sectorsize = gsp->slices[idx].sectorsize; 41192108Sphk sbuf_delete(sb); 412105957Sphk if (bootverbose) 413105957Sphk printf("GEOM: Add %s, start %jd length %jd end %jd\n", 414105957Sphk pp->name, (intmax_t)offset, (intmax_t)length, 415105957Sphk (intmax_t)(offset + length - 1)); 41692108Sphk return(pp); 41792108Sphk} 41892108Sphk 41992108Sphkstruct g_geom * 420107522Sphkg_slice_new(struct g_class *mp, u_int slices, struct g_provider *pp, struct g_consumer **cpp, void *extrap, int extra, g_slice_start_t *start) 42192108Sphk{ 42292108Sphk struct g_geom *gp; 42392108Sphk struct g_slicer *gsp; 42492108Sphk struct g_consumer *cp; 42592108Sphk void **vp; 42694287Sphk int error, i; 42792108Sphk 42892108Sphk g_topology_assert(); 42992108Sphk vp = (void **)extrap; 43092108Sphk gp = g_new_geomf(mp, "%s", pp->name); 43192108Sphk gsp = g_slice_init(slices, extra); 43292108Sphk gsp->start = start; 43393776Sphk gp->access = g_slice_access; 43493776Sphk gp->orphan = g_slice_orphan; 43592108Sphk gp->softc = gsp; 43692108Sphk gp->start = g_slice_start; 43792108Sphk gp->spoiled = g_std_spoiled; 43892108Sphk gp->dumpconf = g_slice_dumpconf; 43992108Sphk cp = g_new_consumer(gp); 440105551Sphk error = g_attach(cp, pp); 441105551Sphk if (error == 0) 442105551Sphk error = g_access_rel(cp, 1, 0, 0); 44392108Sphk if (error) { 444105551Sphk if (cp->provider != NULL) 445105551Sphk g_detach(cp); 44692108Sphk g_destroy_consumer(cp); 44792371Sphk g_free(gsp->slices); 44892108Sphk g_free(gp->softc); 44992108Sphk g_destroy_geom(gp); 45092108Sphk return (NULL); 45192108Sphk } 45294287Sphk /* Find out if there are any magic bytes on the consumer */ 45394287Sphk i = sizeof gsp->cfrontstuff; 45494287Sphk error = g_io_getattr("GEOM::frontstuff", cp, &i, &gsp->cfrontstuff); 45594287Sphk if (error) 45694287Sphk gsp->cfrontstuff = 0; 45792108Sphk *vp = gsp->softc; 45892108Sphk *cpp = cp; 45992108Sphk return (gp); 46092108Sphk} 46192108Sphk 46293776Sphkstatic void 46393250Sphkg_slice_orphan(struct g_consumer *cp) 46492108Sphk{ 46592108Sphk struct g_geom *gp; 46692108Sphk struct g_provider *pp; 46792108Sphk int error; 46892108Sphk 46992108Sphk g_trace(G_T_TOPOLOGY, "g_slice_orphan(%p/%s)", cp, cp->provider->name); 47092108Sphk g_topology_assert(); 47192108Sphk KASSERT(cp->provider->error != 0, 47292108Sphk ("g_slice_orphan with error == 0")); 47392108Sphk 47492108Sphk gp = cp->geom; 475107522Sphk /* XXX: Not good enough we leak the softc and its suballocations */ 47692108Sphk gp->flags |= G_GEOM_WITHER; 47792108Sphk error = cp->provider->error; 47892108Sphk LIST_FOREACH(pp, &gp->provider, provider) 47992108Sphk g_orphan_provider(pp, error); 48092108Sphk return; 48192108Sphk} 482