target: remove the t_se_count field in struct se_cmd

Now that tasks are gone we are guaranteed to only get a single completion
per command, and thus don't need this counter.

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

2 files changed, 0 insertions, 7 deletions

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index d110ead38721..5c06b87a3114 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -3284,11 +3284,6 @@ static void transport_put_cmd(struct se_cmd *cmd)
                         goto out_busy;
         }
 
-        if (atomic_read(&cmd->t_se_count)) {
-                if (!atomic_dec_and_test(&cmd->t_se_count))
-                        goto out_busy;
-        }
-
         if (cmd->transport_state & CMD_T_DEV_ACTIVE) {
                 cmd->transport_state &= ~CMD_T_DEV_ACTIVE;
                 target_remove_from_state_list(cmd);
@@ -3498,7 +3493,6 @@ int transport_generic_new_cmd(struct se_cmd *cmd)
         }
 
         atomic_inc(&cmd->t_fe_count);
-        atomic_inc(&cmd->t_se_count);
 
         /*
          * For WRITEs, let the fabric know its buffer is ready.
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 6c83b14b3075..927771aff1f7 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -548,7 +548,6 @@ struct se_cmd {
         unsigned char           __t_task_cdb[TCM_MAX_COMMAND_SIZE];
         unsigned long long      t_task_lba;
         atomic_t                t_fe_count;
-        atomic_t                t_se_count;
         unsigned int            transport_state;
 #define CMD_T_ABORTED           (1 << 0)
 #define CMD_T_ACTIVE            (1 << 1)