[SCSI] lpfc 8.3.34: Correct lock handling to eliminate reset escalation on I/O abort
Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Родитель
1c13bf6648
Коммит
92e3af663a
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@ -3829,12 +3829,15 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
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cmd->scsi_done(cmd);
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if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
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spin_lock_irq(&phba->hbalock);
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lpfc_cmd->pCmd = NULL;
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spin_unlock_irq(&phba->hbalock);
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/*
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* If there is a thread waiting for command completion
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* wake up the thread.
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*/
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spin_lock_irqsave(shost->host_lock, flags);
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lpfc_cmd->pCmd = NULL;
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if (lpfc_cmd->waitq)
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wake_up(lpfc_cmd->waitq);
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spin_unlock_irqrestore(shost->host_lock, flags);
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@ -3868,12 +3871,15 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
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}
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}
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spin_lock_irq(&phba->hbalock);
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lpfc_cmd->pCmd = NULL;
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spin_unlock_irq(&phba->hbalock);
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/*
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* If there is a thread waiting for command completion
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* wake up the thread.
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*/
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spin_lock_irqsave(shost->host_lock, flags);
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lpfc_cmd->pCmd = NULL;
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if (lpfc_cmd->waitq)
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wake_up(lpfc_cmd->waitq);
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spin_unlock_irqrestore(shost->host_lock, flags);
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@ -4409,7 +4415,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
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}
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lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble;
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if (!lpfc_cmd) {
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if (!lpfc_cmd || !lpfc_cmd->pCmd) {
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spin_unlock_irq(&phba->hbalock);
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lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
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"2873 SCSI Layer I/O Abort Request IO CMPL Status "
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