[PATCH] drivers/scsi: fix-up schedule_timeout() usage
Use schedule_timeout_uninterruptible() instead of set_current_state()/schedule_timeout() to reduce kernel size. Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -606,10 +606,7 @@ static int __init NCR5380_probe_irq(struct Scsi_Host *instance, int possible)
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NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_DATA | ICR_ASSERT_SEL);
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while (probe_irq == SCSI_IRQ_NONE && time_before(jiffies, timeout))
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{
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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}
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schedule_timeout_uninterruptible(1);
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NCR5380_write(SELECT_ENABLE_REG, 0);
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NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
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@ -183,8 +183,7 @@ static int rkt_sync_cmd(struct aac_dev *dev, u32 command,
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/*
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* Yield the processor in case we are slow
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*/
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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}
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if (ok != 1) {
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/*
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@ -452,8 +451,7 @@ int aac_rkt_init(struct aac_dev *dev)
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dev->name, instance, status);
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goto error_iounmap;
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}
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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}
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if (request_irq(dev->scsi_host_ptr->irq, aac_rkt_intr, SA_SHIRQ|SA_INTERRUPT, "aacraid", (void *)dev)<0)
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{
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@ -183,8 +183,7 @@ static int rx_sync_cmd(struct aac_dev *dev, u32 command,
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/*
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* Yield the processor in case we are slow
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*/
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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}
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if (ok != 1) {
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/*
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@ -452,8 +451,7 @@ int aac_rx_init(struct aac_dev *dev)
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dev->name, instance, status);
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goto error_iounmap;
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}
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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}
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if (request_irq(dev->scsi_host_ptr->irq, aac_rx_intr, SA_SHIRQ|SA_INTERRUPT, "aacraid", (void *)dev)<0)
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{
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@ -189,8 +189,7 @@ static int sa_sync_cmd(struct aac_dev *dev, u32 command,
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ok = 1;
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break;
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}
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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}
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if (ok != 1)
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@ -325,8 +324,7 @@ int aac_sa_init(struct aac_dev *dev)
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name, instance, status);
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goto error_iounmap;
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}
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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}
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if (request_irq(dev->scsi_host_ptr->irq, aac_sa_intr, SA_SHIRQ|SA_INTERRUPT, "aacraid", (void *)dev ) < 0) {
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@ -1218,8 +1218,7 @@ static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len)
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printk(KERN_WARNING"dpti%d: Timeout waiting for message frame!\n", pHba->unit);
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return -ETIMEDOUT;
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}
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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} while(m == EMPTY_QUEUE);
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msg = pHba->msg_addr_virt + m;
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@ -1294,8 +1293,7 @@ static s32 adpt_i2o_reset_hba(adpt_hba* pHba)
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printk(KERN_WARNING"Timeout waiting for message!\n");
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return -ETIMEDOUT;
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}
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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} while (m == EMPTY_QUEUE);
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status = (u8*)kmalloc(4, GFP_KERNEL|ADDR32);
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@ -1327,8 +1325,7 @@ static s32 adpt_i2o_reset_hba(adpt_hba* pHba)
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return -ETIMEDOUT;
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}
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rmb();
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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}
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if(*status == 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) {
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@ -1345,8 +1342,7 @@ static s32 adpt_i2o_reset_hba(adpt_hba* pHba)
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printk(KERN_ERR "%s:Timeout waiting for IOP Reset.\n",pHba->name);
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return -ETIMEDOUT;
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}
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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} while (m == EMPTY_QUEUE);
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// Flush the offset
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adpt_send_nop(pHba, m);
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@ -1917,11 +1913,8 @@ static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd,
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return -ENXIO;
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}
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while((volatile u32) pHba->state & DPTI_STATE_RESET ) {
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set_task_state(current,TASK_UNINTERRUPTIBLE);
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schedule_timeout(2);
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}
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while((volatile u32) pHba->state & DPTI_STATE_RESET )
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schedule_timeout_uninterruptible(2);
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switch (cmd) {
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// TODO: handle 3 cases
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@ -2635,8 +2628,7 @@ static s32 adpt_send_nop(adpt_hba*pHba,u32 m)
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printk(KERN_ERR "%s: Timeout waiting for message frame!\n",pHba->name);
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return 2;
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}
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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}
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msg = (u32 __iomem *)(pHba->msg_addr_virt + m);
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writel( THREE_WORD_MSG_SIZE | SGL_OFFSET_0,&msg[0]);
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@ -2670,8 +2662,7 @@ static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba)
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printk(KERN_WARNING"%s: Timeout waiting for message frame\n",pHba->name);
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return -ETIMEDOUT;
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}
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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} while(m == EMPTY_QUEUE);
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msg=(u32 __iomem *)(pHba->msg_addr_virt+m);
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@ -2709,8 +2700,7 @@ static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba)
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printk(KERN_WARNING"%s: Timeout Initializing\n",pHba->name);
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return -ETIMEDOUT;
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}
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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} while (1);
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// If the command was successful, fill the fifo with our reply
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@ -2788,8 +2778,7 @@ static s32 adpt_i2o_status_get(adpt_hba* pHba)
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pHba->name);
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return -ETIMEDOUT;
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}
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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} while(m==EMPTY_QUEUE);
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@ -2816,8 +2805,7 @@ static s32 adpt_i2o_status_get(adpt_hba* pHba)
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return -ETIMEDOUT;
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}
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rmb();
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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schedule_timeout_uninterruptible(1);
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}
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// Set up our number of outbound and inbound messages
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@ -825,8 +825,7 @@ __lpfc_abort_handler(struct scsi_cmnd *cmnd)
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while (lpfc_cmd->pCmd == cmnd)
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{
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spin_unlock_irq(phba->host->host_lock);
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(LPFC_ABORT_WAIT*HZ);
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schedule_timeout_uninterruptible(LPFC_ABORT_WAIT*HZ);
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spin_lock_irq(phba->host->host_lock);
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if (++loop_count
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> (2 * phba->cfg_nodev_tmo)/LPFC_ABORT_WAIT)
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@ -885,8 +884,7 @@ __lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
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if (pnode->nlp_state != NLP_STE_MAPPED_NODE) {
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spin_unlock_irq(phba->host->host_lock);
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout( HZ/2);
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schedule_timeout_uninterruptible(msecs_to_jiffies(500));
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spin_lock_irq(phba->host->host_lock);
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}
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if ((pnode) && (pnode->nlp_state == NLP_STE_MAPPED_NODE))
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@ -939,8 +937,7 @@ __lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
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cmnd->device->id, cmnd->device->lun,
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LPFC_CTX_LUN))) {
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spin_unlock_irq(phba->host->host_lock);
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(LPFC_RESET_WAIT*HZ);
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schedule_timeout_uninterruptible(LPFC_RESET_WAIT*HZ);
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spin_lock_irq(phba->host->host_lock);
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if (++loopcnt
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@ -1038,8 +1035,7 @@ __lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
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&phba->sli.ring[phba->sli.fcp_ring],
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0, 0, LPFC_CTX_HOST))) {
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spin_unlock_irq(phba->host->host_lock);
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(LPFC_RESET_WAIT*HZ);
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schedule_timeout_uninterruptible(LPFC_RESET_WAIT*HZ);
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spin_lock_irq(phba->host->host_lock);
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if (++loopcnt
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@ -862,8 +862,7 @@ static int osst_recover_wait_frame(struct osst_tape * STp, struct scsi_request *
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retval = osst_write_error_recovery(STp, aSRpnt, 0);
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break;
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}
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set_current_state(TASK_INTERRUPTIBLE);
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schedule_timeout (HZ / OSST_POLL_PER_SEC);
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schedule_timeout_interruptible(HZ / OSST_POLL_PER_SEC);
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STp->buffer->b_data = mybuf; STp->buffer->buffer_size = 24;
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memset(cmd, 0, MAX_COMMAND_SIZE);
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@ -1558,8 +1557,7 @@ static int osst_reposition_and_retry(struct osst_tape * STp, struct scsi_request
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osst_set_frame_position(STp, aSRpnt, frame + skip, 1);
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flag = 0;
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attempts--;
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set_current_state(TASK_INTERRUPTIBLE);
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schedule_timeout(HZ / 10);
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schedule_timeout_interruptible(msecs_to_jiffies(100));
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}
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if (osst_get_frame_position(STp, aSRpnt) < 0) { /* additional write error */
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#if DEBUG
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@ -1620,8 +1618,7 @@ static int osst_reposition_and_retry(struct osst_tape * STp, struct scsi_request
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debugging = 0;
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}
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#endif
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set_current_state(TASK_INTERRUPTIBLE);
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schedule_timeout(HZ / 10);
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schedule_timeout_interruptible(msecs_to_jiffies(100));
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}
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printk(KERN_ERR "%s:E: Failed to find valid tape media\n", name);
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#if DEBUG
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