diff options
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/xen-scsiback.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c index 8b7dd47abd8d..555033bd9239 100644 --- a/drivers/xen/xen-scsiback.c +++ b/drivers/xen/xen-scsiback.c @@ -866,7 +866,8 @@ static int scsiback_add_translation_entry(struct vscsibk_info *info, struct list_head *head = &(info->v2p_entry_lists); unsigned long flags; char *lunp; - unsigned int lun; + unsigned int unpacked_lun; + struct se_lun *se_lun; struct scsiback_tpg *tpg_entry, *tpg = NULL; char *error = "doesn't exist"; @@ -877,7 +878,7 @@ static int scsiback_add_translation_entry(struct vscsibk_info *info, } *lunp = 0; lunp++; - if (kstrtouint(lunp, 10, &lun) || lun >= TRANSPORT_MAX_LUNS_PER_TPG) { + if (kstrtouint(lunp, 10, &unpacked_lun) || unpacked_lun >= TRANSPORT_MAX_LUNS_PER_TPG) { pr_err("lun number not valid: %s\n", lunp); return -EINVAL; } @@ -886,15 +887,17 @@ static int scsiback_add_translation_entry(struct vscsibk_info *info, list_for_each_entry(tpg_entry, &scsiback_list, tv_tpg_list) { if (!strcmp(phy, tpg_entry->tport->tport_name) || !strcmp(phy, tpg_entry->param_alias)) { - spin_lock(&tpg_entry->se_tpg.tpg_lun_lock); - if (tpg_entry->se_tpg.tpg_lun_list[lun]->lun_status == - TRANSPORT_LUN_STATUS_ACTIVE) { - if (!tpg_entry->tpg_nexus) - error = "nexus undefined"; - else - tpg = tpg_entry; + mutex_lock(&tpg_entry->se_tpg.tpg_lun_mutex); + hlist_for_each_entry(se_lun, &tpg_entry->se_tpg.tpg_lun_hlist, link) { + if (se_lun->unpacked_lun == unpacked_lun) { + if (!tpg_entry->tpg_nexus) + error = "nexus undefined"; + else + tpg = tpg_entry; + break; + } } - spin_unlock(&tpg_entry->se_tpg.tpg_lun_lock); + mutex_unlock(&tpg_entry->se_tpg.tpg_lun_mutex); break; } } @@ -906,7 +909,7 @@ static int scsiback_add_translation_entry(struct vscsibk_info *info, mutex_unlock(&scsiback_mutex); if (!tpg) { - pr_err("%s:%d %s\n", phy, lun, error); + pr_err("%s:%d %s\n", phy, unpacked_lun, error); return -ENODEV; } @@ -934,7 +937,7 @@ static int scsiback_add_translation_entry(struct vscsibk_info *info, kref_init(&new->kref); new->v = *v; new->tpg = tpg; - new->lun = lun; + new->lun = unpacked_lun; list_add_tail(&new->l, head); out: |