[SCSI] Block I/O while SG reset operation in progress - lpfc portion

This removes the duplicate functionality which had been added to
the lpfc driver.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

3 files changed, 0 insertions, 22 deletions

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 087c44539a16..f81691fcf177 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -174,7 +174,6 @@ struct lpfc_hba {
         dma_addr_t slim2p_mapping;
         uint16_t pci_cfg_value;
 
-        struct semaphore hba_can_block;
         int32_t hba_state;
 
 #define LPFC_STATE_UNKNOWN        0    /* HBA state is unknown */
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index c8db857ffb33..f68ad7654986 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1451,7 +1451,6 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
                 goto out_put_host;
 
         host->unique_id = phba->brd_no;
-        init_MUTEX(&phba->hba_can_block);
         INIT_LIST_HEAD(&phba->ctrspbuflist);
         INIT_LIST_HEAD(&phba->rnidrspbuflist);
         INIT_LIST_HEAD(&phba->freebufList);
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 7dc4c2e6bed2..aea1ee472f3d 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -41,20 +41,6 @@
 #define LPFC_ABORT_WAIT  2
 
 
-static inline void
-lpfc_block_requests(struct lpfc_hba * phba)
-{
-        down(&phba->hba_can_block);
-        scsi_block_requests(phba->host);
-}
-
-static inline void
-lpfc_unblock_requests(struct lpfc_hba * phba)
-{
-        scsi_unblock_requests(phba->host);
-        up(&phba->hba_can_block);
-}
-
 /*
  * This routine allocates a scsi buffer, which contains all the necessary
  * information needed to initiate a SCSI I/O.  The non-DMAable buffer region
@@ -859,7 +845,6 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
         unsigned int loop_count = 0;
         int ret = SUCCESS;
 
-        lpfc_block_requests(phba);
         spin_lock_irq(shost->host_lock);
 
         lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble;
@@ -945,7 +930,6 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
                         cmnd->device->lun, cmnd->serial_number);
 
         spin_unlock_irq(shost->host_lock);
-        lpfc_unblock_requests(phba);
 
         return ret;
 }
@@ -963,7 +947,6 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
         int ret = FAILED;
         int cnt, loopcnt;
 
-        lpfc_block_requests(phba);
         spin_lock_irq(shost->host_lock);
         /*
          * If target is not in a MAPPED state, delay the reset until
@@ -1065,7 +1048,6 @@ out_free_scsi_buf:
 
 out:
         spin_unlock_irq(shost->host_lock);
-        lpfc_unblock_requests(phba);
         return ret;
 }
 
@@ -1080,7 +1062,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
         int cnt, loopcnt;
         struct lpfc_scsi_buf * lpfc_cmd;
 
-        lpfc_block_requests(phba);
         spin_lock_irq(shost->host_lock);
 
         lpfc_cmd = lpfc_get_scsi_buf(phba);
@@ -1163,7 +1144,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
                         phba->brd_no, ret);
 out:
         spin_unlock_irq(shost->host_lock);
-        lpfc_unblock_requests(phba);
         return ret;
 }