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authorMike Christie <michaelc@cs.wisc.edu>2008-12-02 00:32:08 -0600
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-12-29 11:24:21 -0600
commite2bac7c55e43c9018f2f4daf15437e836b26e709 (patch)
treef2a7ec709b09a529bdf7eaa31fd138bb045a4af4 /drivers/scsi/iscsi_tcp.c
parente5a7efeffdcc3062ade5208d16c278d8d484f82a (diff)
[SCSI] iscsi_tcp: remove unused r2t handling
libiscsi's iscsi_prep_data_out_pdu now handles what iscsi_tcp's helpers were so we can remove iscsi_tcp's helpers. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/iscsi_tcp.c')
-rw-r--r--drivers/scsi/iscsi_tcp.c91
1 files changed, 0 insertions, 91 deletions
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 97bad5ce5834..e6ae4e648343 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -554,48 +554,6 @@ iscsi_data_in(struct iscsi_conn *conn, struct iscsi_task *task)
}
/**
- * iscsi_solicit_data_init - initialize first Data-Out
- * @conn: iscsi connection
- * @task: scsi command task
- * @r2t: R2T info
- *
- * Notes:
- * Initialize first Data-Out within this R2T sequence and finds
- * proper data_offset within this SCSI command.
- *
- * This function is called with connection lock taken.
- **/
-static void
-iscsi_solicit_data_init(struct iscsi_conn *conn, struct iscsi_task *task,
- struct iscsi_r2t_info *r2t)
-{
- struct iscsi_data *hdr;
-
- hdr = &r2t->dtask.hdr;
- memset(hdr, 0, sizeof(struct iscsi_data));
- hdr->ttt = r2t->ttt;
- hdr->datasn = cpu_to_be32(r2t->solicit_datasn);
- r2t->solicit_datasn++;
- hdr->opcode = ISCSI_OP_SCSI_DATA_OUT;
- memcpy(hdr->lun, task->hdr->lun, sizeof(hdr->lun));
- hdr->itt = task->hdr->itt;
- hdr->exp_statsn = r2t->exp_statsn;
- hdr->offset = cpu_to_be32(r2t->data_offset);
- if (r2t->data_length > conn->max_xmit_dlength) {
- hton24(hdr->dlength, conn->max_xmit_dlength);
- r2t->data_count = conn->max_xmit_dlength;
- hdr->flags = 0;
- } else {
- hton24(hdr->dlength, r2t->data_length);
- r2t->data_count = r2t->data_length;
- hdr->flags = ISCSI_FLAG_CMD_FINAL;
- }
- conn->dataout_pdus_cnt++;
-
- r2t->sent = 0;
-}
-
-/**
* iscsi_r2t_rsp - iSCSI R2T Response processing
* @conn: iscsi connection
* @task: scsi command task
@@ -1311,55 +1269,6 @@ iscsi_tcp_send_linear_data_prepare(struct iscsi_conn *conn, void *data,
data, len, NULL, tx_hash);
}
-/**
- * iscsi_solicit_data_cont - initialize next Data-Out
- * @conn: iscsi connection
- * @task: scsi command task
- * @r2t: R2T info
- * @left: bytes left to transfer
- *
- * Notes:
- * Initialize next Data-Out within this R2T sequence and continue
- * to process next Scatter-Gather element(if any) of this SCSI command.
- *
- * Called under connection lock.
- **/
-static int
-iscsi_solicit_data_cont(struct iscsi_conn *conn, struct iscsi_task *task,
- struct iscsi_r2t_info *r2t)
-{
- struct iscsi_data *hdr;
- int new_offset, left;
-
- BUG_ON(r2t->data_length - r2t->sent < 0);
- left = r2t->data_length - r2t->sent;
- if (left == 0)
- return 0;
-
- hdr = &r2t->dtask.hdr;
- memset(hdr, 0, sizeof(struct iscsi_data));
- hdr->ttt = r2t->ttt;
- hdr->datasn = cpu_to_be32(r2t->solicit_datasn);
- r2t->solicit_datasn++;
- hdr->opcode = ISCSI_OP_SCSI_DATA_OUT;
- memcpy(hdr->lun, task->hdr->lun, sizeof(hdr->lun));
- hdr->itt = task->hdr->itt;
- hdr->exp_statsn = r2t->exp_statsn;
- new_offset = r2t->data_offset + r2t->sent;
- hdr->offset = cpu_to_be32(new_offset);
- if (left > conn->max_xmit_dlength) {
- hton24(hdr->dlength, conn->max_xmit_dlength);
- r2t->data_count = conn->max_xmit_dlength;
- } else {
- hton24(hdr->dlength, left);
- r2t->data_count = left;
- hdr->flags = ISCSI_FLAG_CMD_FINAL;
- }
-
- conn->dataout_pdus_cnt++;
- return 1;
-}
-
static int iscsi_tcp_pdu_init(struct iscsi_task *task,
unsigned int offset, unsigned int count)
{