[PATCH-v3 10/10] target: Drop left-over se_lun->lun_status

From: Nicholas A. Bellinger
Date: Tue May 26 2015 - 02:45:32 EST


From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>

Now that se_portal_group->tpg_lun_hlist is a RCU protected hlist,
go ahead and drop the left-over lun->lun_status usage.

Reported-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
---
drivers/target/target_core_tpg.c | 6 ------
include/target/target_core_base.h | 8 --------
2 files changed, 14 deletions(-)

diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index f66c208..91f8ddb 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -98,8 +98,6 @@ void core_tpg_add_node_to_devs(

mutex_lock(&tpg->tpg_lun_mutex);
hlist_for_each_entry_rcu(lun, &tpg->tpg_lun_hlist, link) {
- if (lun->lun_status != TRANSPORT_LUN_STATUS_ACTIVE)
- continue;
if (lun_orig && lun != lun_orig)
continue;

@@ -495,7 +493,6 @@ static int core_tpg_setup_virtual_lun0(struct se_portal_group *se_tpg)
int ret;

lun->unpacked_lun = 0;
- lun->lun_status = TRANSPORT_LUN_STATUS_FREE;
atomic_set(&lun->lun_acl_count, 0);
init_completion(&lun->lun_shutdown_comp);
spin_lock_init(&lun->lun_sep_lock);
@@ -608,7 +605,6 @@ struct se_lun *core_tpg_alloc_lun(
}
lun->unpacked_lun = unpacked_lun;
lun->lun_link_magic = SE_LUN_LINK_MAGIC;
- lun->lun_status = TRANSPORT_LUN_STATUS_FREE;
atomic_set(&lun->lun_acl_count, 0);
init_completion(&lun->lun_shutdown_comp);
spin_lock_init(&lun->lun_sep_lock);
@@ -638,7 +634,6 @@ int core_tpg_add_lun(

mutex_lock(&tpg->tpg_lun_mutex);
lun->lun_access = lun_access;
- lun->lun_status = TRANSPORT_LUN_STATUS_ACTIVE;
if (!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
hlist_add_head_rcu(&lun->link, &tpg->tpg_lun_hlist);
mutex_unlock(&tpg->tpg_lun_mutex);
@@ -658,7 +653,6 @@ void core_tpg_remove_lun(
core_dev_unexport(lun->lun_se_dev, tpg, lun);

mutex_lock(&tpg->tpg_lun_mutex);
- lun->lun_status = TRANSPORT_LUN_STATUS_FREE;
if (!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
hlist_del_rcu(&lun->link);
mutex_unlock(&tpg->tpg_lun_mutex);
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 7908d6d..78ed2a8 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -119,12 +119,6 @@ enum hba_flags_table {
HBA_FLAGS_PSCSI_MODE = 0x02,
};

-/* struct se_lun->lun_status */
-enum transport_lun_status_table {
- TRANSPORT_LUN_STATUS_FREE = 0,
- TRANSPORT_LUN_STATUS_ACTIVE = 1,
-};
-
/* Special transport agnostic struct se_cmd->t_states */
enum transport_state_table {
TRANSPORT_NO_STATE = 0,
@@ -707,8 +701,6 @@ struct se_lun {
u16 lun_rtpi;
#define SE_LUN_LINK_MAGIC 0xffff7771
u32 lun_link_magic;
- /* See transport_lun_status_table */
- enum transport_lun_status_table lun_status;
u32 lun_access;
u32 lun_flags;
u32 unpacked_lun;
--
1.9.1

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