From: Brian King brking@linux.vnet.ibm.com
[ Upstream commit 66a0d59cdd12546ddf01d229de28b07ccf6d637f ]
Following a command abort or device reset, ipr's EH handlers wait for the commands getting aborted to get sent back from the adapter prior to returning from the EH handler. This fixes up some cases where the completion handler was not getting called, which would have resulted in the EH thread waiting until it timed out, greatly extending EH time.
Signed-off-by: Brian King brking@linux.vnet.ibm.com Reviewed-by: Wendy Xiong wenxiong@linux.vnet.ibm.com Tested-by: Wendy Xiong wenxiong@linux.vnet.ibm.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- drivers/scsi/ipr.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 532474109624..c5bc41d97f84 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -836,8 +836,10 @@ static void ipr_sata_eh_done(struct ipr_cmnd *ipr_cmd)
qc->err_mask |= AC_ERR_OTHER; sata_port->ioasa.status |= ATA_BUSY; - list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); ata_qc_complete(qc); + if (ipr_cmd->eh_comp) + complete(ipr_cmd->eh_comp); + list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); }
/** @@ -5947,8 +5949,10 @@ static void ipr_erp_done(struct ipr_cmnd *ipr_cmd) res->in_erp = 0; } scsi_dma_unmap(ipr_cmd->scsi_cmd); - list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); scsi_cmd->scsi_done(scsi_cmd); + if (ipr_cmd->eh_comp) + complete(ipr_cmd->eh_comp); + list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); }
/** @@ -6338,8 +6342,10 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, }
scsi_dma_unmap(ipr_cmd->scsi_cmd); - list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); scsi_cmd->scsi_done(scsi_cmd); + if (ipr_cmd->eh_comp) + complete(ipr_cmd->eh_comp); + list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); }
/** @@ -6365,8 +6371,10 @@ static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd) scsi_dma_unmap(scsi_cmd);
spin_lock_irqsave(ipr_cmd->hrrq->lock, lock_flags); - list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); scsi_cmd->scsi_done(scsi_cmd); + if (ipr_cmd->eh_comp) + complete(ipr_cmd->eh_comp); + list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); spin_unlock_irqrestore(ipr_cmd->hrrq->lock, lock_flags); } else { spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);