static void stripe_error(md_sps_t *ps) { struct buf *pb = ps->ps_bp; mdi_unit_t *ui = ps->ps_ui; md_dev64_t dev = ps->ps_errcomp->un_dev; md_dev64_t md_dev = md_expldev(pb->b_edev); char *str; if (pb->b_flags & B_READ) { ps->ps_errcomp->un_mirror.ms_flags |= MDM_S_READERR; str = "read"; } else { ps->ps_errcomp->un_mirror.ms_flags |= MDM_S_WRTERR; str = "write"; } if (!(ps->ps_flags & MD_SPS_DONTFREE)) { if (MUTEX_HELD(&ps->ps_mx)) { mutex_exit(&ps->ps_mx); } } else { ASSERT(panicstr); } SPS_FREE(stripe_parent_cache, ps); pb->b_flags |= B_ERROR; md_kstat_done(ui, pb, 0); md_unit_readerexit(ui); md_biodone(pb); cmn_err(CE_WARN, "md: %s: %s error on %s", md_shortname(md_getminor(md_dev)), str, md_devname(MD_DEV2SET(md_dev), dev, NULL, 0)); }
static int seths_create_hsp(set_hs_params_t *shs) { hot_spare_pool_t *hsp; mddb_recid_t recid; set_t setno; mddb_type_t typ1; setno = HSP_SET(shs->shs_hot_spare_pool); /* Scan the hot spare pool list */ hsp = find_hot_spare_pool(setno, shs->shs_hot_spare_pool); if (hsp != (hot_spare_pool_t *)0) return (0); typ1 = (mddb_type_t)md_getshared_key(setno, hotspares_md_ops.md_driver.md_drivername); /* create a hot spare pool record */ if (shs->shs_options & MD_CRO_64BIT) { #if defined(_ILP32) return (mdhsperror(&shs->mde, MDE_HSP_UNIT_TOO_LARGE, shs->shs_hot_spare_pool)); #else recid = mddb_createrec(sizeof (hot_spare_pool_ond_t), typ1, HSP_REC, MD_CRO_64BIT | MD_CRO_HOTSPARE_POOL | MD_CRO_FN, setno); #endif } else { recid = mddb_createrec(sizeof (hot_spare_pool_ond_t), typ1, HSP_REC, MD_CRO_32BIT | MD_CRO_HOTSPARE_POOL | MD_CRO_FN, setno); } if (recid < 0) { return (mdhsperror(&shs->mde, MDE_HSP_CREATE_FAILURE, shs->shs_hot_spare_pool)); } /* get the record addr */ hsp = (hot_spare_pool_t *)mddb_getrecaddr_resize(recid, sizeof (*hsp), HSP_ONDSK_STR_OFF); hsp->hsp_self_id = shs->shs_hot_spare_pool; hsp->hsp_record_id = recid; hsp->hsp_next = (hot_spare_pool_t *)md_set[setno].s_hsp; hsp->hsp_refcount = 0; hsp->hsp_nhotspares = 0; hsp->hsp_revision |= MD_FN_META_DEV; md_set[setno].s_hsp = (void *) hsp; mddb_commitrec_wrapper(recid); SE_NOTIFY(EC_SVM_CONFIG, ESC_SVM_CREATE, SVM_TAG_HSP, setno, md_expldev(hsp->hsp_self_id)); rw_enter(&hotspares_md_ops.md_link_rw.lock, RW_WRITER); hsp->hsp_link.ln_next = hotspares_md_ops.md_head; hsp->hsp_link.ln_setno = setno; hsp->hsp_link.ln_id = hsp->hsp_self_id; hotspares_md_ops.md_head = &hsp->hsp_link; rw_exit(&hotspares_md_ops.md_link_rw.lock); return (0); }
static int seths_replace(set_hs_params_t *shs) { hot_spare_t *hs; hot_spare_t *prev_hs; hot_spare_t *new_hs; hot_spare_pool_t *hsp; int new_found = 0; mddb_recid_t recid; mddb_recid_t recids[5]; int i; sv_dev_t sv; int delete_hs = 0; set_t setno; mddb_type_t typ1; mdkey_t key_old; int num_keys_old = 0; setno = HSP_SET(shs->shs_hot_spare_pool); typ1 = (mddb_type_t)md_getshared_key(setno, hotspares_md_ops.md_driver.md_drivername); /* Scan the hot spare list */ hs = (hot_spare_t *)md_set[setno].s_hs; prev_hs = (hot_spare_t *)0; while (hs) { if (hs->hs_devnum == shs->shs_component_old) { break; } prev_hs = hs; hs = hs->hs_next; } if (hs == NULL) { /* * Unable to find device using devnum so use * key associated with shs_component_old instead. * If unable to find a unique key for shs_component_old * then fail since namespace has multiple entries * for this old component and we're unable to determine * which key is the valid match for shs_component_old. * * Only need to compare keys when hs_devnum is NODEV. */ if (md_getkeyfromdev(setno, mddb_getsidenum(setno), shs->shs_component_old, &key_old, &num_keys_old) != 0) { return (mddeverror(&shs->mde, MDE_NAME_SPACE, shs->shs_component_old)); } /* * If more than one key matches given old_dev - fail command * since unable to determine which key is correct. */ if (num_keys_old > 1) { return (mddeverror(&shs->mde, MDE_MULTNM, shs->shs_component_old)); } /* * If there is no key for this entry then fail since * a key for this entry should exist. */ if (num_keys_old == 0) { return (mddeverror(&shs->mde, MDE_INVAL_HS, shs->shs_component_old)); } /* Scan the hot spare list again */ hs = (hot_spare_t *)md_set[setno].s_hs; prev_hs = (hot_spare_t *)0; while (hs) { /* * Only need to compare keys when hs_devnum is NODEV. */ if ((hs->hs_devnum == NODEV64) && (hs->hs_key == key_old)) { break; } prev_hs = hs; hs = hs->hs_next; } } if (hs == NULL) { return (mddeverror(&shs->mde, MDE_INVAL_HS, shs->shs_component_old)); } /* check the force flag and the state of the hot spare */ if (((shs->shs_options & HS_OPT_FORCE) == 0) && (hs->hs_state == HSS_RESERVED)) { return (mdhserror(&shs->mde, MDE_HS_RESVD, shs->shs_hot_spare_pool, hs->hs_devnum)); } /* Scan the hot spare pool list */ hsp = find_hot_spare_pool(setno, shs->shs_hot_spare_pool); if (hsp == (hot_spare_pool_t *)0) { return (mdhsperror(&shs->mde, MDE_INVAL_HSP, shs->shs_hot_spare_pool)); } /* * Make sure the old device is in the pool. */ for (i = 0; i < hsp->hsp_nhotspares; i++) { if (hsp->hsp_hotspares[i] == hs->hs_record_id) { break; } } if (i >= hsp->hsp_nhotspares) { return (mddeverror(&shs->mde, MDE_INVAL_HS, hs->hs_devnum)); } /* Scan the hot spare list for the new hs */ new_hs = (hot_spare_t *)md_set[setno].s_hs; new_found = 0; while (new_hs) { if (new_hs->hs_devnum == shs->shs_component_new) { new_found = 1; break; } new_hs = new_hs->hs_next; } /* * Make sure the new device is not already in the pool. * We don't have to search the hs in this hsp, if the * new hs was just created. Only if the hot spare was found. */ if (new_found) { for (i = 0; i < hsp->hsp_nhotspares; i++) if (hsp->hsp_hotspares[i] == new_hs->hs_record_id) { return (mdhserror(&shs->mde, MDE_HS_INUSE, shs->shs_hot_spare_pool, new_hs->hs_devnum)); } } /* In case of a dryrun, we're done here */ if (shs->shs_options & HS_OPT_DRYRUN) { return (0); } /* * Create the new hotspare */ if (!new_found) { /* create a hot spare record */ if (shs->shs_size_option & MD_CRO_64BIT) { #if defined(_ILP32) return (mdhserror(&shs->mde, MDE_HS_UNIT_TOO_LARGE, shs->shs_hot_spare_pool, shs->shs_component_new)); #else recid = mddb_createrec(HS_ONDSK_STR_SIZE, typ1, HS_REC, MD_CRO_64BIT | MD_CRO_HOTSPARE, setno); #endif } else { recid = mddb_createrec(HS_ONDSK_STR_SIZE, typ1, HS_REC, MD_CRO_32BIT | MD_CRO_HOTSPARE, setno); } if (recid < 0) { return (mdhserror(&shs->mde, MDE_HS_CREATE_FAILURE, shs->shs_hot_spare_pool, shs->shs_component_new)); } /* get the addr */ new_hs = (hot_spare_t *)mddb_getrecaddr_resize(recid, sizeof (*new_hs), 0); new_hs->hs_record_id = recid; new_hs->hs_devnum = shs->shs_component_new; new_hs->hs_key = shs->shs_key_new; new_hs->hs_start_blk = shs->shs_start_blk; new_hs->hs_has_label = shs->shs_has_label; new_hs->hs_number_blks = shs->shs_number_blks; set_hot_spare_state(new_hs, HSS_AVAILABLE); new_hs->hs_refcount = 0; new_hs->hs_isopen = 1; } /* lock the db records */ recids[0] = hs->hs_record_id; recids[1] = new_hs->hs_record_id; recids[2] = hsp->hsp_record_id; recids[3] = 0; sv.setno = setno; sv.key = hs->hs_key; hs->hs_refcount--; if (hs->hs_refcount == 0) { /* * NOTE: We do not commit the previous hot spare record. * There is no need, the link we get rebuilt at boot time. */ if (prev_hs) { prev_hs->hs_next = hs->hs_next; } else md_set[setno].s_hs = (void *) hs->hs_next; /* mark hs to be deleted in the correct order */ delete_hs = 1; recids[0] = new_hs->hs_record_id; recids[1] = hsp->hsp_record_id; recids[2] = 0; } /* link into the hs list */ new_hs->hs_refcount++; if (!new_found) { /* do this AFTER the old dev is possibly removed */ new_hs->hs_next = (hot_spare_t *)md_set[setno].s_hs; md_set[setno].s_hs = (void *) new_hs; } /* find the location of the old hs in the hsp */ for (i = 0; i < hsp->hsp_nhotspares; i++) { if (hsp->hsp_hotspares[i] == hs->hs_record_id) { hsp->hsp_hotspares[i] = new_hs->hs_record_id; break; } } if (shs->shs_size_option & MD_CRO_64BIT) { new_hs->hs_revision |= MD_64BIT_META_DEV; } else { new_hs->hs_revision &= ~MD_64BIT_META_DEV; } /* commit the db records */ mddb_commitrecs_wrapper(recids); if (delete_hs) mddb_deleterec_wrapper(hs->hs_record_id); md_rem_names(&sv, 1); SE_NOTIFY(EC_SVM_CONFIG, ESC_SVM_REPLACE, SVM_TAG_HSP, setno, md_expldev(hsp->hsp_self_id)); return (0); }
static int seths_delete(set_hs_params_t *shs) { hot_spare_t *hs; hot_spare_t *prev_hs; hot_spare_pool_t *hsp; mddb_recid_t recids[4]; int i; set_t setno; sv_dev_t sv; int delete_hs = 0; mdkey_t key_old; int num_keys_old = 0; /* delete the hot spare pool */ if (shs->shs_options & HS_OPT_POOL) { return (seths_delete_hsp(shs)); } setno = HSP_SET(shs->shs_hot_spare_pool); /* Scan the hot spare list */ hs = (hot_spare_t *)md_set[setno].s_hs; prev_hs = (hot_spare_t *)0; while (hs) { if (hs->hs_devnum == shs->shs_component_old) { break; } prev_hs = hs; hs = hs->hs_next; } if (hs == NULL) { /* * Unable to find device using devnum so use * key associated with shs_component_old instead. * If unable to find a unique key for shs_component_old * then fail since namespace has multiple entries * for this old component and we're unable to determine * which key is the valid match for shs_component_old. * * Only need to compare keys when hs_devnum is NODEV. */ if (md_getkeyfromdev(setno, mddb_getsidenum(setno), shs->shs_component_old, &key_old, &num_keys_old) != 0) { return (mddeverror(&shs->mde, MDE_NAME_SPACE, shs->shs_component_old)); } /* * If more than one key matches given old_dev - fail command * since shouldn't add new hotspare if namespace has * multiple entries. */ if (num_keys_old > 1) { return (mddeverror(&shs->mde, MDE_MULTNM, shs->shs_component_old)); } /* * If there is no key for this entry then fail since * a key for this entry should exist. */ if (num_keys_old == 0) { return (mddeverror(&shs->mde, MDE_INVAL_HS, shs->shs_component_old)); } /* Scan the hot spare list again */ hs = (hot_spare_t *)md_set[setno].s_hs; prev_hs = (hot_spare_t *)0; while (hs) { /* * Only need to compare keys when hs_devnum is NODEV. */ if ((hs->hs_devnum == NODEV64) && (hs->hs_key == key_old)) { break; } prev_hs = hs; hs = hs->hs_next; } } if (hs == NULL) { return (mddeverror(&shs->mde, MDE_INVAL_HS, shs->shs_component_old)); } /* Scan the hot spare pool list */ hsp = find_hot_spare_pool(setno, shs->shs_hot_spare_pool); if (hsp == (hot_spare_pool_t *)0) { return (mdhsperror(&shs->mde, MDE_INVAL_HSP, shs->shs_hot_spare_pool)); } /* check for force flag and state of hot spare */ if (((shs->shs_options & HS_OPT_FORCE) == 0) && (hs->hs_state == HSS_RESERVED)) { return (mdhserror(&shs->mde, MDE_HS_RESVD, shs->shs_hot_spare_pool, shs->shs_component_old)); } if (hsp->hsp_refcount && (hs->hs_state == HSS_RESERVED)) { return (mdhserror(&shs->mde, MDE_HS_RESVD, shs->shs_hot_spare_pool, shs->shs_component_old)); } /* * Make sure the device is in the pool. */ for (i = 0; i < hsp->hsp_nhotspares; i++) { if (hsp->hsp_hotspares[i] == hs->hs_record_id) { break; } } if (i >= hsp->hsp_nhotspares) { return (mddeverror(&shs->mde, MDE_INVAL_HS, hs->hs_devnum)); } /* In case of a dryrun, we're done here */ if (shs->shs_options & HS_OPT_DRYRUN) { return (0); } /* lock the db records */ recids[0] = hs->hs_record_id; recids[1] = hsp->hsp_record_id; recids[2] = 0; sv.setno = setno; sv.key = hs->hs_key; hs->hs_refcount--; if (hs->hs_refcount == 0) { /* * NOTE: We do not commit the previous hot spare record. * There is no need, the link we get rebuilt at boot time. */ if (prev_hs) { prev_hs->hs_next = hs->hs_next; } else md_set[setno].s_hs = (void *) hs->hs_next; /* mark the hot spare to be deleted */ delete_hs = 1; recids[0] = hsp->hsp_record_id; recids[1] = 0; } /* find the location of the hs in the hsp */ for (i = 0; i < hsp->hsp_nhotspares; i++) { if (hsp->hsp_hotspares[i] == hs->hs_record_id) break; } /* remove the hs from the hsp */ for (i++; i < hsp->hsp_nhotspares; i++) hsp->hsp_hotspares[i - 1] = hsp->hsp_hotspares[i]; hsp->hsp_nhotspares--; /* commit the db records */ mddb_commitrecs_wrapper(recids); if (delete_hs) mddb_deleterec_wrapper(hs->hs_record_id); md_rem_names(&sv, 1); SE_NOTIFY(EC_SVM_CONFIG, ESC_SVM_REMOVE, SVM_TAG_HSP, setno, md_expldev(hsp->hsp_self_id)); return (0); }
static int seths_delete_hsp(set_hs_params_t *shs) { hot_spare_pool_t *prev_hsp; hot_spare_pool_t *hsp; set_t setno; hsp_t hspid; setno = HSP_SET(shs->shs_hot_spare_pool); /* Scan the hot spare pool list */ prev_hsp = (hot_spare_pool_t *)0; hsp = (hot_spare_pool_t *)md_set[setno].s_hsp; while (hsp) { if (hsp->hsp_self_id == shs->shs_hot_spare_pool) { break; } prev_hsp = hsp; hsp = hsp->hsp_next; } if (hsp == NULL) { return (mdhsperror(&shs->mde, MDE_INVAL_HSP, shs->shs_hot_spare_pool)); } if (hsp->hsp_nhotspares != 0) { return (mdhsperror(&shs->mde, MDE_HSP_BUSY, shs->shs_hot_spare_pool)); } if (hsp->hsp_refcount != 0) { return (mdhsperror(&shs->mde, MDE_HSP_REF, shs->shs_hot_spare_pool)); } /* In case of a dryrun, we're done here */ if (shs->shs_options & HS_OPT_DRYRUN) { return (0); } /* * NOTE: We do not commit the previous hot spare pool record. * There is no need, the link gets rebuilt at boot time. */ if (prev_hsp) prev_hsp->hsp_next = hsp->hsp_next; else md_set[setno].s_hsp = (void *) hsp->hsp_next; hspid = hsp->hsp_self_id; md_rem_link(setno, hsp->hsp_self_id, &hotspares_md_ops.md_link_rw.lock, &hotspares_md_ops.md_head); mddb_deleterec_wrapper(hsp->hsp_record_id); SE_NOTIFY(EC_SVM_CONFIG, ESC_SVM_DELETE, SVM_TAG_HSP, setno, md_expldev(hspid)); return (0); }
static int seths_add(set_hs_params_t *shs) { hot_spare_t *hs; hot_spare_pool_t *hsp; hot_spare_pool_t *prev_hsp; hot_spare_pool_t *new_hsp; hot_spare_pool_t *old_hsp; md_create_rec_option_t options; mddb_recid_t recid; mddb_recid_t recids[5]; size_t new_size; int i; int delete_hsp = 0; int irecid; set_t setno; mddb_type_t typ1; int hsp_created = 0; mdkey_t key_old; int num_keys_old = 0; /* Not much to do here in case of a dryrun */ if (shs->shs_options & HS_OPT_DRYRUN) { return (0); } /* create an empty hot spare pool */ if (shs->shs_options & HS_OPT_POOL) { return (seths_create_hsp(shs)); } setno = HSP_SET(shs->shs_hot_spare_pool); typ1 = (mddb_type_t)md_getshared_key(setno, hotspares_md_ops.md_driver.md_drivername); /* Scan the hot spare list */ hs = (hot_spare_t *)md_set[setno].s_hs; while (hs) { if (hs->hs_devnum == shs->shs_component_old) { break; } hs = hs->hs_next; } if (hs == NULL) { /* * Did not find match for device using devnum so use * key associated with shs_component_old just * in case there is a match but the match's dev is NODEV. * If unable to find a unique key for shs_component_old * then fail since namespace has multiple entries * for this old component and we shouldn't allow * an addition of a hotspare in this case. */ if (md_getkeyfromdev(setno, mddb_getsidenum(setno), shs->shs_component_old, &key_old, &num_keys_old) != 0) { return (mddeverror(&shs->mde, MDE_NAME_SPACE, shs->shs_component_old)); } /* * If more than one key matches given old_dev - fail command * since shouldn't add new hotspare if namespace has * multiple entries. */ if (num_keys_old > 1) { return (mddeverror(&shs->mde, MDE_MULTNM, shs->shs_component_old)); } /* * If there is no key for this entry then fail since * a key for this entry should exist. */ if (num_keys_old == 0) { return (mddeverror(&shs->mde, MDE_INVAL_HS, shs->shs_component_old)); } /* Scan the hot spare list again */ hs = (hot_spare_t *)md_set[setno].s_hs; while (hs) { /* * Only need to compare keys when hs_devnum is NODEV. */ if ((hs->hs_devnum == NODEV64) && (hs->hs_key == key_old)) { break; } hs = hs->hs_next; } } if (hs == NULL) { /* create a hot spare record */ if (shs->shs_size_option & MD_CRO_64BIT) { #if defined(_ILP32) return (mdhserror(&shs->mde, MDE_HS_UNIT_TOO_LARGE, shs->shs_hot_spare_pool, shs->shs_component_old)); #else recid = mddb_createrec(HS_ONDSK_STR_SIZE, typ1, HS_REC, MD_CRO_64BIT | MD_CRO_HOTSPARE, setno); #endif } else { recid = mddb_createrec(HS_ONDSK_STR_SIZE, typ1, HS_REC, MD_CRO_32BIT | MD_CRO_HOTSPARE, setno); } if (recid < 0) { return (mdhserror(&shs->mde, MDE_HS_CREATE_FAILURE, shs->shs_hot_spare_pool, shs->shs_component_old)); } /* get the addr */ hs = (hot_spare_t *)mddb_getrecaddr_resize(recid, sizeof (*hs), 0); hs->hs_record_id = recid; hs->hs_devnum = shs->shs_component_old; hs->hs_key = shs->shs_key_old; hs->hs_start_blk = shs->shs_start_blk; hs->hs_has_label = shs->shs_has_label; hs->hs_number_blks = shs->shs_number_blks; set_hot_spare_state(hs, HSS_AVAILABLE); hs->hs_refcount = 0; hs->hs_next = (hot_spare_t *)md_set[setno].s_hs; md_set[setno].s_hs = (void *) hs; } /* Scan the hot spare pool list */ hsp = (hot_spare_pool_t *)md_set[setno].s_hsp; prev_hsp = (hot_spare_pool_t *)0; while (hsp) { if (hsp->hsp_self_id == shs->shs_hot_spare_pool) { break; } prev_hsp = hsp; hsp = hsp->hsp_next; } if (hsp == NULL) { /* create a hot spare pool record */ recid = mddb_createrec(sizeof (hot_spare_pool_ond_t), typ1, HSP_REC, MD_CRO_32BIT | MD_CRO_HOTSPARE_POOL | MD_CRO_FN, setno); if (recid < 0) { return (mdhsperror(&shs->mde, MDE_HSP_CREATE_FAILURE, shs->shs_hot_spare_pool)); } /* get the record addr */ hsp = (hot_spare_pool_t *)mddb_getrecaddr_resize(recid, sizeof (*hsp), HSP_ONDSK_STR_OFF); hsp->hsp_self_id = shs->shs_hot_spare_pool; hsp->hsp_record_id = recid; hsp->hsp_next = (hot_spare_pool_t *)md_set[setno].s_hsp; hsp->hsp_refcount = 0; hsp->hsp_nhotspares = 0; hsp->hsp_revision |= MD_FN_META_DEV; /* force prev_hsp to NULL, this will cause hsp to be linked */ prev_hsp = (hot_spare_pool_t *)0; rw_enter(&hotspares_md_ops.md_link_rw.lock, RW_WRITER); hsp->hsp_link.ln_next = hotspares_md_ops.md_head; hsp->hsp_link.ln_setno = setno; hsp->hsp_link.ln_id = hsp->hsp_self_id; hotspares_md_ops.md_head = &hsp->hsp_link; rw_exit(&hotspares_md_ops.md_link_rw.lock); hsp_created = 1; } else { /* * Make sure the hot spare is not already in the pool. */ for (i = 0; i < hsp->hsp_nhotspares; i++) if (hsp->hsp_hotspares[i] == hs->hs_record_id) { return (mdhserror(&shs->mde, MDE_HS_INUSE, shs->shs_hot_spare_pool, hs->hs_devnum)); } /* * Create a new hot spare pool record * This gives us the one extra hs slot, * because there is one slot in the * hot_spare_pool struct */ new_size = sizeof (hot_spare_pool_ond_t) + (sizeof (mddb_recid_t) * hsp->hsp_nhotspares); /* * The Friendly Name status of the new HSP should duplicate * the status of the existing one. */ if (hsp->hsp_revision & MD_FN_META_DEV) { options = MD_CRO_32BIT | MD_CRO_HOTSPARE_POOL | MD_CRO_FN; } else { options = MD_CRO_32BIT | MD_CRO_HOTSPARE_POOL; } recid = mddb_createrec(new_size, typ1, HSP_REC, options, setno); if (recid < 0) { return (mdhsperror(&shs->mde, MDE_HSP_CREATE_FAILURE, hsp->hsp_self_id)); } new_size = sizeof (hot_spare_pool_t) + (sizeof (mddb_recid_t) * hsp->hsp_nhotspares); /* get the record addr */ new_hsp = (hot_spare_pool_t *)mddb_getrecaddr_resize(recid, new_size, HSP_ONDSK_STR_OFF); /* copy the old record into the new one */ bcopy((caddr_t)hsp, (caddr_t)new_hsp, (size_t)((sizeof (hot_spare_pool_t) + (sizeof (mddb_recid_t) * hsp->hsp_nhotspares) - sizeof (mddb_recid_t)))); new_hsp->hsp_record_id = recid; md_rem_link(setno, hsp->hsp_self_id, &hotspares_md_ops.md_link_rw.lock, &hotspares_md_ops.md_head); rw_enter(&hotspares_md_ops.md_link_rw.lock, RW_WRITER); new_hsp->hsp_link.ln_next = hotspares_md_ops.md_head; new_hsp->hsp_link.ln_setno = setno; new_hsp->hsp_link.ln_id = new_hsp->hsp_self_id; hotspares_md_ops.md_head = &new_hsp->hsp_link; rw_exit(&hotspares_md_ops.md_link_rw.lock); /* mark the old hsp to be deleted */ delete_hsp = 1; old_hsp = hsp; hsp = new_hsp; } if (shs->shs_size_option & MD_CRO_64BIT) { hs->hs_revision |= MD_64BIT_META_DEV; } else { hs->hs_revision &= ~MD_64BIT_META_DEV; } /* lock the db records */ recids[0] = hs->hs_record_id; recids[1] = hsp->hsp_record_id; irecid = 2; if (delete_hsp) recids[irecid++] = old_hsp->hsp_record_id; recids[irecid] = 0; /* increment the reference count */ hs->hs_refcount++; /* add the hs at the end of the hot spare pool */ hsp->hsp_hotspares[hsp->hsp_nhotspares] = hs->hs_record_id; hsp->hsp_nhotspares++; /* * NOTE: We do not commit the previous hot spare pool record. * There is no need, the link gets rebuilt at boot time. */ if (prev_hsp) prev_hsp->hsp_next = hsp; else md_set[setno].s_hsp = (void *) hsp; if (delete_hsp) old_hsp->hsp_self_id = MD_HSP_NONE; /* commit the db records */ mddb_commitrecs_wrapper(recids); if (delete_hsp) { /* delete the old hot spare pool record */ mddb_deleterec_wrapper(old_hsp->hsp_record_id); } if (hsp_created) { SE_NOTIFY(EC_SVM_CONFIG, ESC_SVM_CREATE, SVM_TAG_HSP, setno, md_expldev(hsp->hsp_self_id)); } SE_NOTIFY(EC_SVM_CONFIG, ESC_SVM_ADD, SVM_TAG_HSP, setno, md_expldev(hsp->hsp_self_id)); return (0); }