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target: Drop left-over se_lun->lun_cmd_list shutdown code

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Now with percpu refcounting for se_lun in place, go ahead and drop
the legacy per se_cmd accounting for se_lun shutdown.

This includes __transport_clear_lun_from_sessions(), the associated
transport_lun_wait_for_tasks() logic, along with a handful of now
unused se_cmd structure members and ->transport_state bits.

Cc: Kent Overstreet <kmo@daterainc.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Nicholas Bellinger
2013-11-06 21:05:19 -08:00
parent 5277797dc4
commit 4a9a6c8d53
5 changed files with 7 additions and 252 deletions
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include/target/target_core_base.h
+3 -10
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@@ -443,7 +443,6 @@ struct se_cmd {
/* Used for sense data */
void *sense_buffer;
struct list_head se_delayed_node;
struct list_head se_lun_node;
struct list_head se_qf_node;
struct se_device *se_dev;
struct se_dev_entry *se_deve;
@@ -471,15 +470,11 @@ struct se_cmd {
#define CMD_T_SENT (1 << 4)
#define CMD_T_STOP (1 << 5)
#define CMD_T_FAILED (1 << 6)
#define CMD_T_LUN_STOP (1 << 7)
#define CMD_T_LUN_FE_STOP (1 << 8)
#define CMD_T_DEV_ACTIVE (1 << 9)
#define CMD_T_REQUEST_STOP (1 << 10)
#define CMD_T_BUSY (1 << 11)
#define CMD_T_DEV_ACTIVE (1 << 7)
#define CMD_T_REQUEST_STOP (1 << 8)
#define CMD_T_BUSY (1 << 9)
spinlock_t t_state_lock;
struct completion t_transport_stop_comp;
struct completion transport_lun_fe_stop_comp;
struct completion transport_lun_stop_comp;
struct work_struct work;
@@ -751,10 +746,8 @@ struct se_lun {
u32 unpacked_lun;
atomic_t lun_acl_count;
spinlock_t lun_acl_lock;
spinlock_t lun_cmd_lock;
spinlock_t lun_sep_lock;
struct completion lun_shutdown_comp;
struct list_head lun_cmd_list;
struct list_head lun_acl_list;
struct se_device *lun_se_dev;
struct se_port *lun_sep;