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Merge pull request #50 from plieven/outqueue-fixes-v2

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Outqueue fixes v2
This commit is contained in:
Ronnie Sahlberg
2012-12-01 07:46:45 -08:00
parent 3ae7cec51d 92114f5d7a
commit f062483c7a
1 changed files with 11 additions and 3 deletions
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14
lib/iscsi-command.c
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@@ -81,7 +81,11 @@ iscsi_send_data_out(struct iscsi_context *iscsi, struct iscsi_pdu *cmd_pdu,
return -1;
}
pdu->scsi_cbdata.task = cmd_pdu->scsi_cbdata.task;
pdu->scsi_cbdata.task = cmd_pdu->scsi_cbdata.task;
/* set the cmdsn in the pdu struct so we can compare with
* maxcmdsn when sending to socket even if data-out pdus
* do not carry a cmdsn on the wire */
pdu->cmdsn = cmd_pdu->cmdsn;
if (tot_len == len) {
flags = ISCSI_PDU_SCSI_FINAL;
@@ -203,6 +207,7 @@ iscsi_scsi_command_async(struct iscsi_context *iscsi, int lun,
if (len > iscsi->first_burst_length) {
len = iscsi->first_burst_length;
flags &= ~ISCSI_PDU_SCSI_FINAL;
}
pdu->out_offset = 0;
@@ -249,8 +254,11 @@ iscsi_scsi_command_async(struct iscsi_context *iscsi, int lun,
}
/* Can we send some unsolicited data ? */
if (pdu->out_len != 0 && iscsi->use_initial_r2t == ISCSI_INITIAL_R2T_NO && iscsi->use_immediate_data == ISCSI_IMMEDIATE_DATA_NO) {
uint32_t len = task->expxferlen - pdu->out_len;
if (task->xfer_dir == SCSI_XFER_WRITE
&& iscsi->use_initial_r2t == ISCSI_INITIAL_R2T_NO
&& iscsi->use_immediate_data == ISCSI_IMMEDIATE_DATA_NO) {
uint32_t len = task->expxferlen;
if (len > iscsi->first_burst_length) {
len = iscsi->first_burst_length;