iscsit: use target_execute_cmd for WRITEs

All three callers of transport_generic_handle_data are from user context
and can use target_execute_cmd directly to handle the backend I/O submission
of WRITE I/O.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

3 files changed, 8 insertions, 5 deletions

diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index d57d10cb2e47..0aa04a0b91de 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1413,8 +1413,10 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
                 spin_unlock_bh(&cmd->istate_lock);
 
                 iscsit_stop_dataout_timer(cmd);
-                return (!ooo_cmdsn) ? transport_generic_handle_data(
-                                        &cmd->se_cmd) : 0;
+                if (ooo_cmdsn)
+                        return 0;
+                target_execute_cmd(&cmd->se_cmd);
+                return 0;
         } else /* DATAOUT_CANNOT_RECOVER */
                 return -1;
 
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index ecdd46deedda..3df8a2cef86f 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -965,8 +965,8 @@ int iscsit_execute_cmd(struct iscsi_cmd *cmd, int ooo)
                 if (cmd->immediate_data) {
                         if (cmd->cmd_flags & ICF_GOT_LAST_DATAOUT) {
                                 spin_unlock_bh(&cmd->istate_lock);
-                                return transport_generic_handle_data(
-                                                &cmd->se_cmd);
+                                target_execute_cmd(&cmd->se_cmd);
+                                return 0;
                         }
                         spin_unlock_bh(&cmd->istate_lock);
 
diff --git a/drivers/target/iscsi/iscsi_target_tmr.c b/drivers/target/iscsi/iscsi_target_tmr.c
index 1f7552986168..f62fe123d902 100644
--- a/drivers/target/iscsi/iscsi_target_tmr.c
+++ b/drivers/target/iscsi/iscsi_target_tmr.c
@@ -257,7 +257,8 @@ static int iscsit_task_reassign_complete_write(
                         pr_debug("WRITE ITT: 0x%08x: t_state: %d"
                                 " never sent to transport\n",
                                 cmd->init_task_tag, cmd->se_cmd.t_state);
-                        return transport_generic_handle_data(se_cmd);
+                        target_execute_cmd(se_cmd);
+                        return 0;
                 }
 
                 cmd->i_state = ISTATE_SEND_STATUS;