[SCSI] aacraid: better sysfs adapter information

[linux-2.6] / drivers / scsi / sr.c

diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index a4d9be7c6874b471db06fe4a02503db46eb246bb..ec73223ad2ea0ff0ed88bd001c286106612eaf7e 100644 (file)
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -44,6 +44,7 @@
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/blkdev.h>
+#include <linux/mutex.h>
 #include <asm/uaccess.h>
 
 #include <scsi/scsi.h>
@@ -90,7 +91,7 @@ static DEFINE_SPINLOCK(sr_index_lock);
 /* This semaphore is used to mediate the 0->1 reference get in the
  * face of object destruction (i.e. we can't allow a get on an
  * object after last put) */
-static DECLARE_MUTEX(sr_ref_sem);
+static DEFINE_MUTEX(sr_ref_mutex);
 
 static int sr_open(struct cdrom_device_info *, int);
 static void sr_release(struct cdrom_device_info *);
@@ -133,7 +134,7 @@ static inline struct scsi_cd *scsi_cd_get(struct gendisk *disk)
 {
        struct scsi_cd *cd = NULL;
 
-       down(&sr_ref_sem);
+       mutex_lock(&sr_ref_mutex);
        if (disk->private_data == NULL)
                goto out;
        cd = scsi_cd(disk);
@@ -146,7 +147,7 @@ static inline struct scsi_cd *scsi_cd_get(struct gendisk *disk)
        kref_put(&cd->kref, sr_kref_release);
        cd = NULL;
  out:
-       up(&sr_ref_sem);
+       mutex_unlock(&sr_ref_mutex);
        return cd;
 }
 
@@ -154,10 +155,10 @@ static inline void scsi_cd_put(struct scsi_cd *cd)
 {
        struct scsi_device *sdev = cd->device;
 
-       down(&sr_ref_sem);
+       mutex_lock(&sr_ref_mutex);
        kref_put(&cd->kref, sr_kref_release);
        scsi_device_put(sdev);
-       up(&sr_ref_sem);
+       mutex_unlock(&sr_ref_mutex);
 }
 
 /*
@@ -845,7 +846,7 @@ static int sr_packet(struct cdrom_device_info *cdi,
  *     sr_kref_release - Called to free the scsi_cd structure
  *     @kref: pointer to embedded kref
  *
- *     sr_ref_sem must be held entering this routine.  Because it is
+ *     sr_ref_mutex must be held entering this routine.  Because it is
  *     called on last put, you should always use the scsi_cd_get()
  *     scsi_cd_put() helpers which manipulate the semaphore directly
  *     and never do a direct kref_put().
@@ -874,9 +875,9 @@ static int sr_remove(struct device *dev)
 
        del_gendisk(cd->disk);
 
-       down(&sr_ref_sem);
+       mutex_lock(&sr_ref_mutex);
        kref_put(&cd->kref, sr_kref_release);
-       up(&sr_ref_sem);
+       mutex_unlock(&sr_ref_mutex);
 
        return 0;
 }