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path: root/drivers/target/loopback/tcm_loop.c
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Diffstat (limited to 'drivers/target/loopback/tcm_loop.c')
-rw-r--r--drivers/target/loopback/tcm_loop.c41
1 files changed, 10 insertions, 31 deletions
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 3df1c9b8ae6..81d5832fbbd 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -113,11 +113,9 @@ static struct se_cmd *tcm_loop_allocate_core_cmd(
scsi_bufflen(sc), sc->sc_data_direction, sam_task_attr,
&tl_cmd->tl_sense_buf[0]);
- /*
- * Signal BIDI usage with T_TASK(cmd)->t_tasks_bidi
- */
if (scsi_bidi_cmnd(sc))
- se_cmd->t_tasks_bidi = 1;
+ se_cmd->se_cmd_flags |= SCF_BIDI;
+
/*
* Locate the struct se_lun pointer and attach it to struct se_cmd
*/
@@ -148,27 +146,13 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
* Allocate the necessary tasks to complete the received CDB+data
*/
ret = transport_generic_allocate_tasks(se_cmd, sc->cmnd);
- if (ret == -ENOMEM) {
- /* Out of Resources */
- return PYX_TRANSPORT_LU_COMM_FAILURE;
- } else if (ret == -EINVAL) {
- /*
- * Handle case for SAM_STAT_RESERVATION_CONFLICT
- */
- if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT)
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
- /*
- * Otherwise, return SAM_STAT_CHECK_CONDITION and return
- * sense data.
- */
- return PYX_TRANSPORT_USE_SENSE_REASON;
- }
-
+ if (ret != 0)
+ return ret;
/*
* For BIDI commands, pass in the extra READ buffer
* to transport_generic_map_mem_to_cmd() below..
*/
- if (se_cmd->t_tasks_bidi) {
+ if (se_cmd->se_cmd_flags & SCF_BIDI) {
struct scsi_data_buffer *sdb = scsi_in(sc);
sgl_bidi = sdb->table.sgl;
@@ -194,12 +178,8 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
}
/* Tell the core about our preallocated memory */
- ret = transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc),
+ return transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc),
scsi_sg_count(sc), sgl_bidi, sgl_bidi_count);
- if (ret < 0)
- return PYX_TRANSPORT_LU_COMM_FAILURE;
-
- return 0;
}
/*
@@ -1360,17 +1340,16 @@ void tcm_loop_drop_scsi_hba(
{
struct tcm_loop_hba *tl_hba = container_of(wwn,
struct tcm_loop_hba, tl_hba_wwn);
- int host_no = tl_hba->sh->host_no;
+
+ pr_debug("TCM_Loop_ConfigFS: Deallocating emulated Target"
+ " SAS Address: %s at Linux/SCSI Host ID: %d\n",
+ tl_hba->tl_wwn_address, tl_hba->sh->host_no);
/*
* Call device_unregister() on the original tl_hba->dev.
* tcm_loop_fabric_scsi.c:tcm_loop_release_adapter() will
* release *tl_hba;
*/
device_unregister(&tl_hba->dev);
-
- pr_debug("TCM_Loop_ConfigFS: Deallocated emulated Target"
- " SAS Address: %s at Linux/SCSI Host ID: %d\n",
- config_item_name(&wwn->wwn_group.cg_item), host_no);
}
/* Start items for tcm_loop_cit */