mirror of https://gitee.com/openkylin/linux.git
qla2xxx: Remove msleep in qlt_send_term_exchange
Remove unnecessary msleep from qlt_send_term_exchange as it adds latency of 250 msec while sending terminate exchange to an aborted task. Cc: <stable@vger.kernel.org> # v3.18+ Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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@ -2713,7 +2713,7 @@ static int __qlt_send_term_exchange(struct scsi_qla_host *vha,
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static void qlt_send_term_exchange(struct scsi_qla_host *vha,
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struct qla_tgt_cmd *cmd, struct atio_from_isp *atio, int ha_locked)
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{
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unsigned long flags;
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unsigned long flags = 0;
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int rc;
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if (qlt_issue_marker(vha, ha_locked) < 0)
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@ -2729,17 +2729,18 @@ static void qlt_send_term_exchange(struct scsi_qla_host *vha,
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rc = __qlt_send_term_exchange(vha, cmd, atio);
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if (rc == -ENOMEM)
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qlt_alloc_qfull_cmd(vha, atio, 0, 0);
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spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
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done:
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if (cmd && ((cmd->state != QLA_TGT_STATE_ABORTED) ||
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!cmd->cmd_sent_to_fw)) {
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if (!ha_locked && !in_interrupt())
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msleep(250); /* just in case */
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qlt_unmap_sg(vha, cmd);
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if (cmd->sg_mapped)
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qlt_unmap_sg(vha, cmd);
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vha->hw->tgt.tgt_ops->free_cmd(cmd);
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}
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if (!ha_locked)
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spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
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return;
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}
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