target: simplify command to task linkage

Now that we only have a single task per command we can use a direct pointer
to it instead of list.

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

1 files changed, 1 insertions, 6 deletions

diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 19b8b2381d75..382542af3120 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -492,7 +492,6 @@ struct se_task {
         u16                     task_flags;
         u8                      task_scsi_status;
         enum dma_data_direction task_data_direction;
-        struct list_head        t_list;
         struct list_head        t_execute_list;
         struct list_head        t_state_list;
         bool                    t_state_active;
@@ -573,7 +572,6 @@ struct se_cmd {
         atomic_t                t_se_count;
         atomic_t                t_task_cdbs_left;
         atomic_t                t_task_cdbs_ex_left;
-        atomic_t                t_task_cdbs_sent;
         unsigned int            transport_state;
 #define CMD_T_ABORTED           (1 << 0)
 #define CMD_T_ACTIVE            (1 << 1)
@@ -598,10 +596,7 @@ struct se_cmd {
         struct scatterlist      *t_bidi_data_sg;
         unsigned int            t_bidi_data_nents;
 
-        /* Used for BIDI READ */
-        struct list_head        t_task_list;
-        u32                     t_task_list_num;
-
+        struct se_task          *t_task;
 };
 
 struct se_ua {