target: simplify alua support

We always support ALUA for virtual backends, and never for physical ones.  Simplify
the code to just deal with these two cases and remove the superflous abstractions.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

1 files changed, 0 insertions, 13 deletions

diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 892a93dec19c..11b0a68dc765 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -221,16 +221,6 @@ enum tcm_tmrsp_table {
 };
 
 /*
- * Used by TCM Core internally to signal if ALUA emulation is enabled or
- * disabled, or running in with TCM/pSCSI passthrough mode
- */
-typedef enum {
-        SPC_ALUA_PASSTHROUGH,
-        SPC2_ALUA_DISABLED,
-        SPC3_ALUA_EMULATED
-} t10_alua_index_t;
-
-/*
  * Used for target SCSI statistics
  */
 typedef enum {
@@ -243,7 +233,6 @@ typedef enum {
 struct se_cmd;
 
 struct t10_alua {
-        t10_alua_index_t alua_type;
         /* ALUA Target Port Group ID */
         u16     alua_tg_pt_gps_counter;
         u32     alua_tg_pt_gps_count;
@@ -253,7 +242,6 @@ struct t10_alua {
         struct t10_alua_tg_pt_gp *default_tg_pt_gp;
         /* Used for default ALUA Target Port Group ConfigFS group */
         struct config_group alua_tg_pt_gps_group;
-        int (*alua_state_check)(struct se_cmd *, unsigned char *, u8 *);
         struct list_head tg_pt_gps_list;
 };
 
@@ -605,7 +593,6 @@ struct se_dev_attrib {
         int             emulate_tas;
         int             emulate_tpu;
         int             emulate_tpws;
-        int             emulate_alua;
         int             enforce_pr_isids;
         int             is_nonrot;
         int             emulate_rest_reord;