target/iscsi: Eliminate iscsi_cmd.data_length
Redundant, just use iscsi_cmd->se_cmd.data_length once se_cmd is
initialized, or hdr->data_length before then.
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 1b51a3e..a29a1bb 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -968,7 +968,6 @@
buf, conn);
cmd->data_direction = data_direction;
- cmd->data_length = hdr->data_length;
iscsi_task_attr = hdr->flags & ISCSI_FLAG_CMD_ATTR_MASK;
/*
* Figure out the SAM Task Attribute for the incoming SCSI CDB
@@ -1026,7 +1025,7 @@
* Initialize struct se_cmd descriptor from target_core_mod infrastructure
*/
transport_init_se_cmd(&cmd->se_cmd, &lio_target_fabric_configfs->tf_ops,
- conn->sess->se_sess, cmd->data_length, cmd->data_direction,
+ conn->sess->se_sess, hdr->data_length, cmd->data_direction,
sam_task_attr, &cmd->sense_buffer[0]);
pr_debug("Got SCSI Command, ITT: 0x%08x, CmdSN: 0x%08x,"
@@ -1061,8 +1060,6 @@
*/
send_check_condition = 1;
} else {
- cmd->data_length = cmd->se_cmd.data_length;
-
if (iscsit_decide_list_to_build(cmd, payload_length) < 0)
return iscsit_add_reject_from_cmd(
ISCSI_REASON_BOOKMARK_NO_RESOURCES,
@@ -1329,10 +1326,10 @@
se_cmd = &cmd->se_cmd;
iscsit_mod_dataout_timer(cmd);
- if ((hdr->offset + payload_length) > cmd->data_length) {
+ if ((hdr->offset + payload_length) > cmd->se_cmd.data_length) {
pr_err("DataOut Offset: %u, Length %u greater than"
" iSCSI Command EDTL %u, protocol error.\n",
- hdr->offset, payload_length, cmd->data_length);
+ hdr->offset, payload_length, cmd->se_cmd.data_length);
return iscsit_add_reject_from_cmd(ISCSI_REASON_BOOKMARK_INVALID,
1, 0, buf, cmd);
}
@@ -2427,7 +2424,7 @@
cmd->write_data_done += length;
- if (cmd->write_data_done == cmd->data_length) {
+ if (cmd->write_data_done == cmd->se_cmd.data_length) {
spin_lock_bh(&cmd->istate_lock);
cmd->cmd_flags |= ICF_GOT_LAST_DATAOUT;
cmd->i_state = ISTATE_RECEIVED_LAST_DATAOUT;
@@ -2559,11 +2556,11 @@
/*
* Be paranoid and double check the logic for now.
*/
- if ((datain.offset + datain.length) > cmd->data_length) {
+ if ((datain.offset + datain.length) > cmd->se_cmd.data_length) {
pr_err("Command ITT: 0x%08x, datain.offset: %u and"
" datain.length: %u exceeds cmd->data_length: %u\n",
cmd->init_task_tag, datain.offset, datain.length,
- cmd->data_length);
+ cmd->se_cmd.data_length);
return -1;
}
@@ -3071,8 +3068,8 @@
conn->sess->sess_ops->MaxBurstLength -
cmd->next_burst_len;
- if (new_data_end > cmd->data_length)
- xfer_len = cmd->data_length - offset;
+ if (new_data_end > cmd->se_cmd.data_length)
+ xfer_len = cmd->se_cmd.data_length - offset;
else
xfer_len =
conn->sess->sess_ops->MaxBurstLength -
@@ -3081,14 +3078,14 @@
int new_data_end = offset +
conn->sess->sess_ops->MaxBurstLength;
- if (new_data_end > cmd->data_length)
- xfer_len = cmd->data_length - offset;
+ if (new_data_end > cmd->se_cmd.data_length)
+ xfer_len = cmd->se_cmd.data_length - offset;
else
xfer_len = conn->sess->sess_ops->MaxBurstLength;
}
cmd->r2t_offset += xfer_len;
- if (cmd->r2t_offset == cmd->data_length)
+ if (cmd->r2t_offset == cmd->se_cmd.data_length)
cmd->cmd_flags |= ICF_SENT_LAST_R2T;
} else {
struct iscsi_seq *seq;