geom_slice.c revision 107832
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 107832 2002-12-13 21:31:13Z 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{ 8592108Sphk int error, i; 8692108Sphk struct g_geom *gp; 8792108Sphk struct g_consumer *cp; 8892108Sphk struct g_provider *pp2; 8992108Sphk struct g_slicer *gsp; 9092108Sphk struct g_slice *gsl, *gsl2; 9192108Sphk 9292108Sphk gp = pp->geom; 9392108Sphk cp = LIST_FIRST(&gp->consumer); 9492108Sphk KASSERT (cp != NULL, ("g_slice_access but no consumer")); 9592108Sphk gsp = gp->softc; 9692108Sphk gsl = &gsp->slices[pp->index]; 9792108Sphk for (i = 0; i < gsp->nslice; i++) { 9892108Sphk gsl2 = &gsp->slices[i]; 9992108Sphk if (gsl2->length == 0) 10092108Sphk continue; 10192108Sphk if (i == pp->index) 10292108Sphk continue; 10392108Sphk if (gsl->offset + gsl->length <= gsl2->offset) 10492108Sphk continue; 10592108Sphk if (gsl2->offset + gsl2->length <= gsl->offset) 10692108Sphk continue; 10792108Sphk /* overlap */ 10892108Sphk pp2 = gsl2->provider; 10992108Sphk if ((pp->acw + dw) > 0 && pp2->ace > 0) 11092108Sphk return (EPERM); 11192108Sphk if ((pp->ace + de) > 0 && pp2->acw > 0) 11292108Sphk return (EPERM); 11392108Sphk } 11492108Sphk /* On first open, grab an extra "exclusive" bit */ 11592108Sphk if (cp->acr == 0 && cp->acw == 0 && cp->ace == 0) 11692108Sphk de++; 11792108Sphk /* ... and let go of it on last close */ 11892108Sphk if ((cp->acr + dr) == 0 && (cp->acw + dw) == 0 && (cp->ace + de) == 1) 11992108Sphk de--; 12092108Sphk error = g_access_rel(cp, dr, dw, de); 12192108Sphk return (error); 12292108Sphk} 12392108Sphk 124107522Sphkvoid 125107522Sphkg_slice_finish_hot(struct bio *bp) 126107522Sphk{ 127107522Sphk struct bio *bp2; 128107522Sphk struct g_geom *gp; 129107522Sphk struct g_consumer *cp; 130107522Sphk struct g_slicer *gsp; 131107522Sphk struct g_slice *gsl; 132107522Sphk int index; 133107522Sphk 134107522Sphk KASSERT(bp->bio_to != NULL, ("NULL bio_to in g_slice_finish_hot(%p)", bp)); 135107522Sphk KASSERT(bp->bio_from != NULL, ("NULL bio_from in g_slice_finish_hot(%p)", bp)); 136107522Sphk gp = bp->bio_to->geom; 137107522Sphk gsp = gp->softc; 138107522Sphk cp = LIST_FIRST(&gp->consumer); 139107522Sphk KASSERT(cp != NULL, ("NULL consumer in g_slice_finish_hot(%p)", bp)); 140107522Sphk index = bp->bio_to->index; 141107522Sphk gsl = &gsp->slices[index]; 142107522Sphk 143107522Sphk bp2 = g_clone_bio(bp); 144107522Sphk if (bp2 == NULL) { 145107522Sphk g_io_deliver(bp, ENOMEM); 146107522Sphk return; 147107522Sphk } 148107522Sphk if (bp2->bio_offset + bp2->bio_length > gsl->length) 149107522Sphk bp2->bio_length = gsl->length - bp2->bio_offset; 150107522Sphk bp2->bio_done = g_std_done; 151107522Sphk bp2->bio_offset += gsl->offset; 152107522Sphk g_io_request(bp2, cp); 153107522Sphk return; 154107522Sphk} 155107522Sphk 15693776Sphkstatic void 15792108Sphkg_slice_start(struct bio *bp) 15892108Sphk{ 15992108Sphk struct bio *bp2; 16092108Sphk struct g_provider *pp; 16192108Sphk struct g_geom *gp; 16292108Sphk struct g_consumer *cp; 16392108Sphk struct g_slicer *gsp; 164107522Sphk struct g_slice *gsl, *gmp; 165107522Sphk int index, error; 166107522Sphk u_int m_index; 16794287Sphk off_t t; 16892108Sphk 16992108Sphk pp = bp->bio_to; 17092108Sphk gp = pp->geom; 17192108Sphk gsp = gp->softc; 17292108Sphk cp = LIST_FIRST(&gp->consumer); 17392108Sphk index = pp->index; 17494287Sphk gsl = &gsp->slices[index]; 17592108Sphk switch(bp->bio_cmd) { 17692108Sphk case BIO_READ: 17792108Sphk case BIO_WRITE: 17892108Sphk case BIO_DELETE: 17992108Sphk if (bp->bio_offset > gsl->length) { 180104195Sphk g_io_deliver(bp, EINVAL); /* XXX: EWHAT ? */ 18192108Sphk return; 18292108Sphk } 183107522Sphk /* 184107522Sphk * Check if we collide with any hot spaces, and call the 185107522Sphk * method once if so. 186107522Sphk */ 187107832Sphk t = bp->bio_offset + gsl->offset; 188107522Sphk for (m_index = 0; m_index < gsp->nhot; m_index++) { 189107522Sphk gmp = &gsp->hot[m_index]; 190107832Sphk if (t >= gmp->offset + gmp->length) 191107522Sphk continue; 192107832Sphk if (t + bp->bio_length <= gmp->offset) 193107522Sphk continue; 194107522Sphk error = gsp->start(bp); 195107522Sphk if (error == EJUSTRETURN) 196107522Sphk return; 197107522Sphk else if (error) { 198107522Sphk g_io_deliver(bp, error); 199107522Sphk return; 200107522Sphk } 201107522Sphk break; 202107522Sphk } 20392108Sphk bp2 = g_clone_bio(bp); 204104057Sphk if (bp2 == NULL) { 205104195Sphk g_io_deliver(bp, ENOMEM); 206104057Sphk return; 207104057Sphk } 20892108Sphk if (bp2->bio_offset + bp2->bio_length > gsl->length) 20992108Sphk bp2->bio_length = gsl->length - bp2->bio_offset; 21092108Sphk bp2->bio_done = g_std_done; 21192108Sphk bp2->bio_offset += gsl->offset; 21292108Sphk g_io_request(bp2, cp); 21392108Sphk return; 21492108Sphk case BIO_GETATTR: 21592108Sphk case BIO_SETATTR: 21694287Sphk /* Give the real method a chance to override */ 21794287Sphk if (gsp->start(bp)) 21894287Sphk return; 21994287Sphk if (!strcmp("GEOM::frontstuff", bp->bio_attribute)) { 22094287Sphk t = gsp->cfrontstuff; 22194287Sphk if (gsp->frontstuff > t) 22294287Sphk t = gsp->frontstuff; 22394287Sphk t -= gsl->offset; 22494287Sphk if (t < 0) 22594287Sphk t = 0; 22694287Sphk if (t > gsl->length) 22794287Sphk t = gsl->length; 22898066Sphk g_handleattr_off_t(bp, "GEOM::frontstuff", t); 22992108Sphk return; 23094287Sphk } 23195310Sphk#ifdef _KERNEL 23295038Sphk if (!strcmp("GEOM::kerneldump", bp->bio_attribute)) { 23395038Sphk struct g_kerneldump *gkd; 23495038Sphk 23595038Sphk gkd = (struct g_kerneldump *)bp->bio_data; 23695038Sphk gkd->offset += gsp->slices[index].offset; 23795038Sphk if (gkd->length > gsp->slices[index].length) 23895038Sphk gkd->length = gsp->slices[index].length; 23995038Sphk /* now, pass it on downwards... */ 24095038Sphk } 24195310Sphk#endif 24292108Sphk bp2 = g_clone_bio(bp); 243104081Sphk if (bp2 == NULL) { 244104195Sphk g_io_deliver(bp, ENOMEM); 245104081Sphk return; 246104081Sphk } 24792108Sphk bp2->bio_done = g_std_done; 24892108Sphk g_io_request(bp2, cp); 24992108Sphk break; 25092108Sphk default: 251104195Sphk g_io_deliver(bp, EOPNOTSUPP); 25292108Sphk return; 25392108Sphk } 25492108Sphk} 25592108Sphk 25692108Sphkvoid 257104087Sphkg_slice_dumpconf(struct sbuf *sb, char *indent, struct g_geom *gp, struct g_consumer *cp, struct g_provider *pp) 25892108Sphk{ 25992108Sphk struct g_slicer *gsp; 26092108Sphk 26192108Sphk gsp = gp->softc; 262106101Sphk if (indent == NULL) { 263106101Sphk sbuf_printf(sb, " i %u", pp->index); 264106101Sphk sbuf_printf(sb, " o %ju", 265106101Sphk (uintmax_t)gsp->slices[pp->index].offset); 266106101Sphk return; 267106101Sphk } 26895323Sphk if (gp != NULL && (pp == NULL && cp == NULL)) { 269105540Sphk sbuf_printf(sb, "%s<frontstuff>%ju</frontstuff>\n", 270105540Sphk indent, (intmax_t)gsp->frontstuff); 27194287Sphk } 27292108Sphk if (pp != NULL) { 27392108Sphk sbuf_printf(sb, "%s<index>%u</index>\n", indent, pp->index); 274105540Sphk sbuf_printf(sb, "%s<length>%ju</length>\n", 275105540Sphk indent, (uintmax_t)gsp->slices[pp->index].length); 276105540Sphk sbuf_printf(sb, "%s<seclength>%ju</seclength>\n", indent, 277105540Sphk (uintmax_t)gsp->slices[pp->index].length / 512); 278105540Sphk sbuf_printf(sb, "%s<offset>%ju</offset>\n", indent, 279105540Sphk (uintmax_t)gsp->slices[pp->index].offset); 280105540Sphk sbuf_printf(sb, "%s<secoffset>%ju</secoffset>\n", indent, 281105540Sphk (uintmax_t)gsp->slices[pp->index].offset / 512); 28292108Sphk } 28392108Sphk} 28492108Sphk 285104064Sphkint 286107522Sphkg_slice_config(struct g_geom *gp, u_int index, int how, off_t offset, off_t length, u_int sectorsize, char *fmt, ...) 287104064Sphk{ 288104064Sphk struct g_provider *pp; 289104064Sphk struct g_slicer *gsp; 290104064Sphk struct g_slice *gsl; 291104064Sphk va_list ap; 292104064Sphk struct sbuf *sb; 293104064Sphk int error, acc; 294104064Sphk 295104195Sphk g_trace(G_T_TOPOLOGY, "g_slice_config(%s, %d, %d)", 296104195Sphk gp->name, index, how); 297104064Sphk g_topology_assert(); 298104064Sphk gsp = gp->softc; 299104064Sphk error = 0; 300104064Sphk if (index >= gsp->nslice) 301104064Sphk return(EINVAL); 302104064Sphk gsl = &gsp->slices[index]; 303104064Sphk pp = gsl->provider; 304104064Sphk if (pp != NULL) 305104064Sphk acc = pp->acr + pp->acw + pp->ace; 306104064Sphk else 307104064Sphk acc = 0; 308104064Sphk if (acc != 0 && how != G_SLICE_CONFIG_FORCE) { 309104064Sphk if (length < gsl->length) 310104064Sphk return(EBUSY); 311104064Sphk if (offset != gsl->offset) 312104064Sphk return(EBUSY); 313104064Sphk } 314104064Sphk /* XXX: check offset + length <= MEDIASIZE */ 315104064Sphk if (how == G_SLICE_CONFIG_CHECK) 316104064Sphk return (0); 317104064Sphk gsl->length = length; 318104064Sphk gsl->offset = offset; 319105542Sphk gsl->sectorsize = sectorsize; 320105957Sphk if (length == 0) { 321105957Sphk if (pp == NULL) 322105957Sphk return (0); 323105957Sphk if (bootverbose) 324105957Sphk printf("GEOM: Deconfigure %s\n", pp->name); 325104064Sphk g_orphan_provider(pp, ENXIO); 326104064Sphk gsl->provider = NULL; 327104064Sphk gsp->nprovider--; 328104064Sphk return (0); 329104064Sphk } 330105957Sphk if (pp != NULL) { 331105957Sphk if (bootverbose) 332105957Sphk printf("GEOM: Reconfigure %s, start %jd length %jd end %jd\n", 333105957Sphk pp->name, (intmax_t)offset, (intmax_t)length, 334105957Sphk (intmax_t)(offset + length - 1)); 335107116Sphk pp->mediasize = gsl->length; 336105957Sphk return (0); 337105957Sphk } 338104064Sphk va_start(ap, fmt); 339104064Sphk sb = sbuf_new(NULL, NULL, 0, SBUF_AUTOEXTEND); 340104064Sphk sbuf_vprintf(sb, fmt, ap); 341104064Sphk sbuf_finish(sb); 342104064Sphk pp = g_new_providerf(gp, sbuf_data(sb)); 343105957Sphk if (bootverbose) 344105957Sphk printf("GEOM: Configure %s, start %jd length %jd end %jd\n", 345105957Sphk pp->name, (intmax_t)offset, (intmax_t)length, 346105957Sphk (intmax_t)(offset + length - 1)); 347104064Sphk pp->index = index; 348105542Sphk pp->mediasize = gsl->length; 349105542Sphk pp->sectorsize = gsl->sectorsize; 350104064Sphk gsl->provider = pp; 351104064Sphk gsp->nprovider++; 352104064Sphk g_error_provider(pp, 0); 353104064Sphk sbuf_delete(sb); 354104064Sphk return(0); 355104064Sphk} 356104064Sphk 357107522Sphkint 358107522Sphkg_slice_conf_hot(struct g_geom *gp, u_int index, off_t offset, off_t length) 359107522Sphk{ 360107522Sphk struct g_slicer *gsp; 361107522Sphk struct g_slice *gsl, *gsl2; 362107522Sphk 363107522Sphk g_trace(G_T_TOPOLOGY, "g_slice_conf_hot()"); 364107522Sphk g_topology_assert(); 365107522Sphk gsp = gp->softc; 366107522Sphk gsl = gsp->hot; 367107522Sphk if(index >= gsp->nhot) { 368107522Sphk gsl2 = g_malloc((index + 1) * sizeof *gsl2, M_WAITOK | M_ZERO); 369107522Sphk if (gsp->hot != NULL) 370107522Sphk bcopy(gsp->hot, gsl2, gsp->nhot * sizeof *gsl2); 371107522Sphk gsp->hot = gsl2; 372107522Sphk if (gsp->hot != NULL) 373107522Sphk g_free(gsl); 374107522Sphk gsl = gsl2; 375107522Sphk gsp->nhot = index + 1; 376107522Sphk } 377107522Sphk if (bootverbose) 378107522Sphk printf("GEOM: Add %s hot[%d] start %jd length %jd end %jd\n", 379107522Sphk gp->name, index, (intmax_t)offset, (intmax_t)length, 380107522Sphk (intmax_t)(offset + length - 1)); 381107522Sphk gsl[index].offset = offset; 382107522Sphk gsl[index].length = length; 383107522Sphk return (0); 384107522Sphk} 385107522Sphk 38692108Sphkstruct g_provider * 387105542Sphkg_slice_addslice(struct g_geom *gp, int index, off_t offset, off_t length, u_int sectorsize, char *fmt, ...) 38892108Sphk{ 38992108Sphk struct g_provider *pp; 39092108Sphk struct g_slicer *gsp; 39192108Sphk va_list ap; 39292108Sphk struct sbuf *sb; 39392108Sphk 39492108Sphk g_trace(G_T_TOPOLOGY, "g_slice_addslice()"); 395104064Sphk g_topology_assert(); 39692108Sphk gsp = gp->softc; 39792108Sphk va_start(ap, fmt); 39892108Sphk sb = sbuf_new(NULL, NULL, 0, SBUF_AUTOEXTEND); 39992108Sphk sbuf_vprintf(sb, fmt, ap); 40092108Sphk sbuf_finish(sb); 40192108Sphk pp = g_new_providerf(gp, sbuf_data(sb)); 40292108Sphk 40392108Sphk pp->index = index; 40492108Sphk gsp->slices[index].length = length; 40592108Sphk gsp->slices[index].offset = offset; 40692108Sphk gsp->slices[index].provider = pp; 407105542Sphk gsp->slices[index].sectorsize = sectorsize; 408105542Sphk pp->mediasize = gsp->slices[index].length; 409105542Sphk pp->sectorsize = gsp->slices[index].sectorsize; 41092108Sphk sbuf_delete(sb); 411105957Sphk if (bootverbose) 412105957Sphk printf("GEOM: Add %s, start %jd length %jd end %jd\n", 413105957Sphk pp->name, (intmax_t)offset, (intmax_t)length, 414105957Sphk (intmax_t)(offset + length - 1)); 41592108Sphk return(pp); 41692108Sphk} 41792108Sphk 41892108Sphkstruct g_geom * 419107522Sphkg_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) 42092108Sphk{ 42192108Sphk struct g_geom *gp; 42292108Sphk struct g_slicer *gsp; 42392108Sphk struct g_consumer *cp; 42492108Sphk void **vp; 42594287Sphk int error, i; 42692108Sphk 42792108Sphk g_topology_assert(); 42892108Sphk vp = (void **)extrap; 42992108Sphk gp = g_new_geomf(mp, "%s", pp->name); 43092108Sphk gsp = g_slice_init(slices, extra); 43192108Sphk gsp->start = start; 43293776Sphk gp->access = g_slice_access; 43393776Sphk gp->orphan = g_slice_orphan; 43492108Sphk gp->softc = gsp; 43592108Sphk gp->start = g_slice_start; 43692108Sphk gp->spoiled = g_std_spoiled; 43792108Sphk gp->dumpconf = g_slice_dumpconf; 43892108Sphk cp = g_new_consumer(gp); 439105551Sphk error = g_attach(cp, pp); 440105551Sphk if (error == 0) 441105551Sphk error = g_access_rel(cp, 1, 0, 0); 44292108Sphk if (error) { 443105551Sphk if (cp->provider != NULL) 444105551Sphk g_detach(cp); 44592108Sphk g_destroy_consumer(cp); 44692371Sphk g_free(gsp->slices); 44792108Sphk g_free(gp->softc); 44892108Sphk g_destroy_geom(gp); 44992108Sphk return (NULL); 45092108Sphk } 45194287Sphk /* Find out if there are any magic bytes on the consumer */ 45294287Sphk i = sizeof gsp->cfrontstuff; 45394287Sphk error = g_io_getattr("GEOM::frontstuff", cp, &i, &gsp->cfrontstuff); 45494287Sphk if (error) 45594287Sphk gsp->cfrontstuff = 0; 45692108Sphk *vp = gsp->softc; 45792108Sphk *cpp = cp; 45892108Sphk return (gp); 45992108Sphk} 46092108Sphk 46193776Sphkstatic void 46293250Sphkg_slice_orphan(struct g_consumer *cp) 46392108Sphk{ 46492108Sphk struct g_geom *gp; 46592108Sphk struct g_provider *pp; 46692108Sphk int error; 46792108Sphk 46892108Sphk g_trace(G_T_TOPOLOGY, "g_slice_orphan(%p/%s)", cp, cp->provider->name); 46992108Sphk g_topology_assert(); 47092108Sphk KASSERT(cp->provider->error != 0, 47192108Sphk ("g_slice_orphan with error == 0")); 47292108Sphk 47392108Sphk gp = cp->geom; 474107522Sphk /* XXX: Not good enough we leak the softc and its suballocations */ 47592108Sphk gp->flags |= G_GEOM_WITHER; 47692108Sphk error = cp->provider->error; 47792108Sphk LIST_FOREACH(pp, &gp->provider, provider) 47892108Sphk g_orphan_provider(pp, error); 47992108Sphk return; 48092108Sphk} 481