diff options
Diffstat (limited to 'drivers/target/target_core_hba.c')
| -rw-r--r-- | drivers/target/target_core_hba.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/target/target_core_hba.c b/drivers/target/target_core_hba.c index 0b8f8da89019..0639b975d6f5 100644 --- a/drivers/target/target_core_hba.c +++ b/drivers/target/target_core_hba.c @@ -1,7 +1,7 @@ /******************************************************************************* * Filename: target_core_hba.c * - * This file copntains the iSCSI HBA Transport related functions. + * This file contains the TCM HBA Transport related functions. * * Copyright (c) 2003, 2004, 2005 PyX Technologies, Inc. * Copyright (c) 2005, 2006, 2007 SBE, Inc. @@ -45,6 +45,11 @@ static LIST_HEAD(subsystem_list); static DEFINE_MUTEX(subsystem_mutex); +static u32 hba_id_counter; + +static DEFINE_SPINLOCK(hba_lock); +static LIST_HEAD(hba_list); + int transport_subsystem_register(struct se_subsystem_api *sub_api) { struct se_subsystem_api *s; @@ -53,8 +58,8 @@ int transport_subsystem_register(struct se_subsystem_api *sub_api) mutex_lock(&subsystem_mutex); list_for_each_entry(s, &subsystem_list, sub_api_list) { - if (!(strcmp(s->name, sub_api->name))) { - printk(KERN_ERR "%p is already registered with" + if (!strcmp(s->name, sub_api->name)) { + pr_err("%p is already registered with" " duplicate name %s, unable to process" " request\n", s, s->name); mutex_unlock(&subsystem_mutex); @@ -64,7 +69,7 @@ int transport_subsystem_register(struct se_subsystem_api *sub_api) list_add_tail(&sub_api->sub_api_list, &subsystem_list); mutex_unlock(&subsystem_mutex); - printk(KERN_INFO "TCM: Registered subsystem plugin: %s struct module:" + pr_debug("TCM: Registered subsystem plugin: %s struct module:" " %p\n", sub_api->name, sub_api->owner); return 0; } @@ -104,21 +109,17 @@ core_alloc_hba(const char *plugin_name, u32 plugin_dep_id, u32 hba_flags) hba = kzalloc(sizeof(*hba), GFP_KERNEL); if (!hba) { - printk(KERN_ERR "Unable to allocate struct se_hba\n"); + pr_err("Unable to allocate struct se_hba\n"); return ERR_PTR(-ENOMEM); } INIT_LIST_HEAD(&hba->hba_dev_list); spin_lock_init(&hba->device_lock); - spin_lock_init(&hba->hba_queue_lock); mutex_init(&hba->hba_access_mutex); hba->hba_index = scsi_get_new_index(SCSI_INST_INDEX); hba->hba_flags |= hba_flags; - atomic_set(&hba->max_queue_depth, 0); - atomic_set(&hba->left_queue_depth, 0); - hba->transport = core_get_backend(plugin_name); if (!hba->transport) { ret = -EINVAL; @@ -129,12 +130,12 @@ core_alloc_hba(const char *plugin_name, u32 plugin_dep_id, u32 hba_flags) if (ret < 0) goto out_module_put; - spin_lock(&se_global->hba_lock); - hba->hba_id = se_global->g_hba_id_counter++; - list_add_tail(&hba->hba_list, &se_global->g_hba_list); - spin_unlock(&se_global->hba_lock); + spin_lock(&hba_lock); + hba->hba_id = hba_id_counter++; + list_add_tail(&hba->hba_node, &hba_list); + spin_unlock(&hba_lock); - printk(KERN_INFO "CORE_HBA[%d] - Attached HBA to Generic Target" + pr_debug("CORE_HBA[%d] - Attached HBA to Generic Target" " Core\n", hba->hba_id); return hba; @@ -156,11 +157,11 @@ core_delete_hba(struct se_hba *hba) hba->transport->detach_hba(hba); - spin_lock(&se_global->hba_lock); - list_del(&hba->hba_list); - spin_unlock(&se_global->hba_lock); + spin_lock(&hba_lock); + list_del(&hba->hba_node); + spin_unlock(&hba_lock); - printk(KERN_INFO "CORE_HBA[%d] - Detached HBA from Generic Target" + pr_debug("CORE_HBA[%d] - Detached HBA from Generic Target" " Core\n", hba->hba_id); if (hba->transport->owner) |