This is so we can hoist it before se_cmd init in a later patch. Instead,
pass it into build_pdu_and_seq_lists, and then stick it in the
struct iscsi_build_list that gets passed around.
Signed-off-by: Andy Grover <agrover@xxxxxxxxxx>
---
drivers/target/iscsi/iscsi_target.c | 4 ++-
drivers/target/iscsi/iscsi_target_seq_pdu_list.c | 41 ++++++++++++----------
drivers/target/iscsi/iscsi_target_seq_pdu_list.h | 4 ++-
3 files changed, 28 insertions(+), 21 deletions(-)
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 764fde5..da4e779 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1059,7 +1059,9 @@ done:
*/
send_check_condition = 1;
} else {
- if (iscsit_build_pdu_and_seq_lists(cmd, payload_length) < 0)
+ ret = iscsit_build_pdu_and_seq_lists(cmd, payload_length,
+ hdr->data_length);
+ if (ret < 0)
return iscsit_add_reject_from_cmd(
ISCSI_REASON_BOOKMARK_NO_RESOURCES,
1, 1, buf, cmd);
diff --git a/drivers/target/iscsi/iscsi_target_seq_pdu_list.c b/drivers/target/iscsi/iscsi_target_seq_pdu_list.c
index 7d0effa..d3e552d 100644
--- a/drivers/target/iscsi/iscsi_target_seq_pdu_list.c
+++ b/drivers/target/iscsi/iscsi_target_seq_pdu_list.c
@@ -227,10 +227,10 @@ static void iscsit_determine_counts_for_list(
if ((bl->type == PDULIST_UNSOLICITED) ||
(bl->type == PDULIST_IMMEDIATE_AND_UNSOLICITED))
- unsolicited_data_length = min(cmd->se_cmd.data_length,
+ unsolicited_data_length = min(bl->data_length,
conn->sess->sess_ops->FirstBurstLength);
- while (offset < cmd->se_cmd.data_length) {
+ while (offset < bl->data_length) {
*pdu_count += 1;
if (check_immediate) {
@@ -244,10 +244,10 @@ static void iscsit_determine_counts_for_list(
}
if (unsolicited_data_length > 0) {
if ((offset + conn->conn_ops->MaxRecvDataSegmentLength)
- >= cmd->se_cmd.data_length) {
+ >= bl->data_length) {
unsolicited_data_length -=
- (cmd->se_cmd.data_length - offset);
- offset += (cmd->se_cmd.data_length - offset);
+ (bl->data_length - offset);
+ offset += (bl->data_length - offset);
continue;
}
if ((offset + conn->conn_ops->MaxRecvDataSegmentLength)
@@ -268,8 +268,8 @@ static void iscsit_determine_counts_for_list(
continue;
}
if ((offset + conn->conn_ops->MaxRecvDataSegmentLength) >=
- cmd->se_cmd.data_length) {
- offset += (cmd->se_cmd.data_length - offset);
+ bl->data_length) {
+ offset += (bl->data_length - offset);
continue;
}
if ((burstlength + conn->conn_ops->MaxRecvDataSegmentLength) >=
@@ -311,10 +311,10 @@ static int iscsit_do_build_pdu_and_seq_lists(
if ((bl->type == PDULIST_UNSOLICITED) ||
(bl->type == PDULIST_IMMEDIATE_AND_UNSOLICITED))
- unsolicited_data_length = min(cmd->se_cmd.data_length,
+ unsolicited_data_length = min(bl->data_length,
conn->sess->sess_ops->FirstBurstLength);
- while (offset < cmd->se_cmd.data_length) {
+ while (offset < bl->data_length) {
pdu_count++;
if (!datapduinorder) {
pdu[i].offset = offset;
@@ -350,21 +350,21 @@ static int iscsit_do_build_pdu_and_seq_lists(
if (unsolicited_data_length > 0) {
if ((offset +
conn->conn_ops->MaxRecvDataSegmentLength) >=
- cmd->se_cmd.data_length) {
+ bl->data_length) {
if (!datapduinorder) {
pdu[i].type = PDUTYPE_UNSOLICITED;
pdu[i].length =
- (cmd->se_cmd.data_length - offset);
+ (bl->data_length - offset);
}
if (!datasequenceinorder) {
seq[seq_no].type = SEQTYPE_UNSOLICITED;
seq[seq_no].pdu_count = pdu_count;
seq[seq_no].xfer_len = (burstlength +
- (cmd->se_cmd.data_length - offset));
+ (bl->data_length - offset));
}
unsolicited_data_length -=
- (cmd->se_cmd.data_length - offset);
- offset += (cmd->se_cmd.data_length - offset);
+ (bl->data_length - offset);
+ offset += (bl->data_length - offset);
continue;
}
if ((offset +
@@ -406,18 +406,18 @@ static int iscsit_do_build_pdu_and_seq_lists(
continue;
}
if ((offset + conn->conn_ops->MaxRecvDataSegmentLength) >=
- cmd->se_cmd.data_length) {
+ bl->data_length) {
if (!datapduinorder) {
pdu[i].type = PDUTYPE_NORMAL;
- pdu[i].length = (cmd->se_cmd.data_length - offset);
+ pdu[i].length = (bl->data_length - offset);
}
if (!datasequenceinorder) {
seq[seq_no].type = SEQTYPE_NORMAL;
seq[seq_no].pdu_count = pdu_count;
seq[seq_no].xfer_len = (burstlength +
- (cmd->se_cmd.data_length - offset));
+ (bl->data_length - offset));
}
- offset += (cmd->se_cmd.data_length - offset);
+ offset += (bl->data_length - offset);
continue;
}
if ((burstlength + conn->conn_ops->MaxRecvDataSegmentLength) >=
@@ -496,7 +496,8 @@ static int iscsit_do_build_pdu_and_seq_lists(
int iscsit_build_pdu_and_seq_lists(
struct iscsi_cmd *cmd,
- u32 immediate_data_length)
+ u32 immediate_data_length,
+ u32 data_length)
{
struct iscsi_build_list bl;
u32 pdu_count = 0, seq_count = 1;
@@ -518,7 +519,9 @@ int iscsit_build_pdu_and_seq_lists(
return 0;
na = iscsit_tpg_get_node_attrib(sess);
+
memset(&bl, 0, sizeof(struct iscsi_build_list));
+ bl.data_length = data_length;
if (cmd->data_direction == DMA_FROM_DEVICE) {
bl.data_direction = ISCSI_PDU_READ;
diff --git a/drivers/target/iscsi/iscsi_target_seq_pdu_list.h b/drivers/target/iscsi/iscsi_target_seq_pdu_list.h
index d5b1537..6334ec8 100644
--- a/drivers/target/iscsi/iscsi_target_seq_pdu_list.h
+++ b/drivers/target/iscsi/iscsi_target_seq_pdu_list.h
@@ -46,6 +46,7 @@ struct iscsi_build_list {
int randomize;
int type;
int immediate_data_length;
+ u32 data_length;
};
struct iscsi_pdu {
@@ -78,7 +79,8 @@ struct iscsi_seq {
u32 xfer_len;
} ____cacheline_aligned;
-extern int iscsit_build_pdu_and_seq_lists(struct iscsi_cmd *, u32);
+int iscsit_build_pdu_and_seq_lists(struct iscsi_cmd *cmd, u32 immediate_data_length,
+ u32 data_length);
extern struct iscsi_pdu *iscsit_get_pdu_holder(struct iscsi_cmd *, u32, u32);
extern struct iscsi_pdu *iscsit_get_pdu_holder_for_seq(struct iscsi_cmd *, struct iscsi_seq *);
extern struct iscsi_seq *iscsit_get_seq_holder(struct iscsi_cmd *, u32, u32);
--
1.7.1
--
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