[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, 2 insertions, 1 deletions

diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 230bc55c0bfa..467274a764d1 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -5,6 +5,7 @@
 #include <linux/list.h>
 #include <linux/types.h>
 #include <linux/workqueue.h>
+#include <linux/mutex.h>
 
 struct block_device;
 struct completion;
@@ -469,7 +470,7 @@ struct Scsi_Host {
         spinlock_t              default_lock;
         spinlock_t              *host_lock;
 
-        struct semaphore        scan_mutex;/* serialize scanning activity */
+        struct mutex            scan_mutex;/* serialize scanning activity */
 
         struct list_head        eh_cmd_q;
         struct task_struct    * ehandler;  /* Error recovery thread. */