switch lpfc from semaphore to mutex locking
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Index: linux-2.6/drivers/scsi/lpfc/lpfc.h
===================================================================
--- linux-2.6.orig/drivers/scsi/lpfc/lpfc.h 2006-01-06 12:51:02.000000000 +0100
+++ linux-2.6/drivers/scsi/lpfc/lpfc.h 2006-01-31 14:09:46.000000000 +0100
@@ -173,7 +173,7 @@
dma_addr_t slim2p_mapping;
uint16_t pci_cfg_value;
- struct semaphore hba_can_block;
+ struct mutex hba_can_block;
uint32_t hba_state;
#define LPFC_INIT_START 1 /* Initial state after board reset */
Index: linux-2.6/drivers/scsi/lpfc/lpfc_init.c
===================================================================
--- linux-2.6.orig/drivers/scsi/lpfc/lpfc_init.c 2006-01-06 12:51:02.000000000 +0100
+++ linux-2.6/drivers/scsi/lpfc/lpfc_init.c 2006-01-31 14:10:09.000000000 +0100
@@ -1393,7 +1393,7 @@
goto out_put_host;
host->unique_id = phba->brd_no;
- init_MUTEX(&phba->hba_can_block);
+ mutex_init(&phba->hba_can_block);
INIT_LIST_HEAD(&phba->ctrspbuflist);
INIT_LIST_HEAD(&phba->rnidrspbuflist);
INIT_LIST_HEAD(&phba->freebufList);
Index: linux-2.6/drivers/scsi/lpfc/lpfc_scsi.c
===================================================================
--- linux-2.6.orig/drivers/scsi/lpfc/lpfc_scsi.c 2006-01-31 12:23:38.000000000 +0100
+++ linux-2.6/drivers/scsi/lpfc/lpfc_scsi.c 2006-01-31 14:10:01.000000000 +0100
@@ -44,7 +44,7 @@
static inline void
lpfc_block_requests(struct lpfc_hba * phba)
{
- down(&phba->hba_can_block);
+ mutex_lock(&phba->hba_can_block);
scsi_block_requests(phba->host);
}
@@ -52,7 +52,7 @@
lpfc_unblock_requests(struct lpfc_hba * phba)
{
scsi_unblock_requests(phba->host);
- up(&phba->hba_can_block);
+ mutex_unlock(&phba->hba_can_block);
}
/*
-
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