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authorMatthias Kaehlcke <matthias.kaehlcke@gmail.com>2007-07-29 23:38:15 +0200
committerJames Bottomley <jejb@mulgrave.localdomain>2007-07-31 10:44:01 -0500
commit28f85009e0cf6a5232cd285131eac3dfe26d9e3a (patch)
tree7fbf47978234fc2cd92d4695f784a8bc15501edc /drivers/scsi/st.h
parent0c6a89ba640d28e1dcd7fd1a217d2cfb92ae4953 (diff)
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[SCSI] st: Use mutex instead of semaphore
The SCSI Tape driver uses a semaphore as mutex. Use the mutex API instead of the (binary) semaphore. Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com> Acked-by: Kai Makisara <kai.makisara@kolumbus.fi> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/st.h')
-rw-r--r--drivers/scsi/st.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h
index 50f3deb1f9ed..6c8075712974 100644
--- a/drivers/scsi/st.h
+++ b/drivers/scsi/st.h
@@ -3,6 +3,7 @@
#define _ST_H
#include <linux/completion.h>
+#include <linux/mutex.h>
#include <linux/kref.h>
#include <scsi/scsi_cmnd.h>
@@ -98,7 +99,7 @@ struct st_partstat {
struct scsi_tape {
struct scsi_driver *driver;
struct scsi_device *device;
- struct semaphore lock; /* For serialization */
+ struct mutex lock; /* For serialization */
struct completion wait; /* For SCSI commands */
struct st_buffer *buffer;