[SCSI] turn most scsi semaphores into mutexes

the scsi layer is using semaphores in a mutex way, this patch converts
these into using mutexes instead

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 18 insertions, 17 deletions

diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 6252b9d..cdeb30b 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -61,6 +61,7 @@ MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
 #include <linux/timer.h>
 #include <linux/string.h>
 #include <linux/ioport.h>
+#include <linux/mutex.h>
 
 #include <asm/processor.h>	/* for boot_cpu_data */
 #include <asm/pgtable.h>
@@ -106,7 +107,7 @@ static dpt_sig_S DPTI_sig = {
  *============================================================================
  */
 
-static DECLARE_MUTEX(adpt_configuration_lock);
+static DEFINE_MUTEX(adpt_configuration_lock);
 
 static struct i2o_sys_tbl *sys_tbl = NULL;
 static int sys_tbl_ind = 0;
@@ -537,13 +538,13 @@ static int adpt_proc_info(struct Scsi_Host *host, char *buffer, char **start, of
 	 */
 
 	// Find HBA (host bus adapter) we are looking for
-	down(&adpt_configuration_lock);
+	mutex_lock(&adpt_configuration_lock);
 	for (pHba = hba_chain; pHba; pHba = pHba->next) {
 		if (pHba->host == host) {
 			break;	/* found adapter */
 		}
 	}
-	up(&adpt_configuration_lock);
+	mutex_unlock(&adpt_configuration_lock);
 	if (pHba == NULL) {
 		return 0;
 	}
@@ -958,7 +959,7 @@ static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev
 	}
 	memset(pHba, 0, sizeof(adpt_hba));
 
-	down(&adpt_configuration_lock);
+	mutex_lock(&adpt_configuration_lock);
 
 	if(hba_chain != NULL){
 		for(p = hba_chain; p->next; p = p->next);
@@ -971,7 +972,7 @@ static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev
 	sprintf(pHba->name, "dpti%d", hba_count);
 	hba_count++;
 	
-	up(&adpt_configuration_lock);
+	mutex_unlock(&adpt_configuration_lock);
 
 	pHba->pDev = pDev;
 	pHba->base_addr_phys = base_addr0_phys;
@@ -1027,7 +1028,7 @@ static void adpt_i2o_delete_hba(adpt_hba* pHba)
 	struct adpt_device* pNext;
 
 
-	down(&adpt_configuration_lock);
+	mutex_lock(&adpt_configuration_lock);
 	// scsi_unregister calls our adpt_release which
 	// does a quiese
 	if(pHba->host){
@@ -1046,7 +1047,7 @@ static void adpt_i2o_delete_hba(adpt_hba* pHba)
 	}
 
 	hba_count--;
-	up(&adpt_configuration_lock);
+	mutex_unlock(&adpt_configuration_lock);
 
 	iounmap(pHba->base_addr_virt);
 	pci_release_regions(pHba->pDev);
@@ -1549,7 +1550,7 @@ static int adpt_i2o_parse_lct(adpt_hba* pHba)
  
 static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d)
 {
-	down(&adpt_configuration_lock);
+	mutex_lock(&adpt_configuration_lock);
 	d->controller=pHba;
 	d->owner=NULL;
 	d->next=pHba->devices;
@@ -1560,7 +1561,7 @@ static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d)
 	pHba->devices=d;
 	*d->dev_name = 0;
 
-	up(&adpt_configuration_lock);
+	mutex_unlock(&adpt_configuration_lock);
 	return 0;
 }
 
@@ -1575,24 +1576,24 @@ static int adpt_open(struct inode *inode, struct file *file)
 	if (minor >= hba_count) {
 		return -ENXIO;
 	}
-	down(&adpt_configuration_lock);
+	mutex_lock(&adpt_configuration_lock);
 	for (pHba = hba_chain; pHba; pHba = pHba->next) {
 		if (pHba->unit == minor) {
 			break;	/* found adapter */
 		}
 	}
 	if (pHba == NULL) {
-		up(&adpt_configuration_lock);
+		mutex_unlock(&adpt_configuration_lock);
 		return -ENXIO;
 	}
 
 //	if(pHba->in_use){
-	//	up(&adpt_configuration_lock);
+	//	mutex_unlock(&adpt_configuration_lock);
 //		return -EBUSY;
 //	}
 
 	pHba->in_use = 1;
-	up(&adpt_configuration_lock);
+	mutex_unlock(&adpt_configuration_lock);
 
 	return 0;
 }
@@ -1606,13 +1607,13 @@ static int adpt_close(struct inode *inode, struct file *file)
 	if (minor >= hba_count) {
 		return -ENXIO;
 	}
-	down(&adpt_configuration_lock);
+	mutex_lock(&adpt_configuration_lock);
 	for (pHba = hba_chain; pHba; pHba = pHba->next) {
 		if (pHba->unit == minor) {
 			break;	/* found adapter */
 		}
 	}
-	up(&adpt_configuration_lock);
+	mutex_unlock(&adpt_configuration_lock);
 	if (pHba == NULL) {
 		return -ENXIO;
 	}
@@ -1910,13 +1911,13 @@ static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd,
 	if (minor >= DPTI_MAX_HBA){
 		return -ENXIO;
 	}
-	down(&adpt_configuration_lock);
+	mutex_lock(&adpt_configuration_lock);
 	for (pHba = hba_chain; pHba; pHba = pHba->next) {
 		if (pHba->unit == minor) {
 			break;	/* found adapter */
 		}
 	}
-	up(&adpt_configuration_lock);
+	mutex_unlock(&adpt_configuration_lock);
 	if(pHba == NULL){
 		return -ENXIO;
 	}