[SCSI] sem2mutex: scsi_transport_spi.c

Convert the SCSI transport class code to use a mutex rather than a
semaphore.

Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index 86306d681b6fb6d1d3321e7bbf04775cf8aacfd8..7ee95eb83ddaa52c5fe1aa50a52642b150293eba 100644 (file)
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -24,7 +24,7 @@
 #include <linux/module.h>
 #include <linux/workqueue.h>
 #include <linux/blkdev.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 #include <scsi/scsi.h>
 #include "scsi_priv.h"
 #include <scsi/scsi_device.h>
@@ -48,7 +48,7 @@
 
 /* Private data accessors (keep these out of the header file) */
 #define spi_dv_pending(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_pending)
-#define spi_dv_sem(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_sem)
+#define spi_dv_mutex(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_mutex)
 
 struct spi_internal {
        struct scsi_transport_template t;
@@ -242,7 +242,7 @@ static int spi_setup_transport_attrs(struct transport_container *tc,
        spi_hold_mcs(starget) = 0;
        spi_dv_pending(starget) = 0;
        spi_initial_dv(starget) = 0;
-       init_MUTEX(&spi_dv_sem(starget));
+       mutex_init(&spi_dv_mutex(starget));
 
        return 0;
 }
@@ -915,7 +915,7 @@ spi_dv_device(struct scsi_device *sdev)
        scsi_target_quiesce(starget);
 
        spi_dv_pending(starget) = 1;
-       down(&spi_dv_sem(starget));
+       mutex_lock(&spi_dv_mutex(starget));
 
        starget_printk(KERN_INFO, starget, "Beginning Domain Validation\n");
 
@@ -923,7 +923,7 @@ spi_dv_device(struct scsi_device *sdev)
 
        starget_printk(KERN_INFO, starget, "Ending Domain Validation\n");
 
-       up(&spi_dv_sem(starget));
+       mutex_unlock(&spi_dv_mutex(starget));
        spi_dv_pending(starget) = 0;
 
        scsi_target_resume(starget);

diff --git a/include/scsi/scsi_transport_spi.h b/include/scsi/scsi_transport_spi.h
index 54a89611e9c5abc04f89013112c9ff9202dece6f..2b5930ba69ec465b43947e9e47493530448bb871 100644 (file)
--- a/include/scsi/scsi_transport_spi.h
+++ b/include/scsi/scsi_transport_spi.h
@@ -54,7 +54,7 @@ struct spi_transport_attrs {
        unsigned int support_qas; /* supports quick arbitration and selection */
        /* Private Fields */
        unsigned int dv_pending:1; /* Internal flag */
-       struct semaphore dv_sem; /* semaphore to serialise dv */
+       struct mutex dv_mutex; /* semaphore to serialise dv */
 };
 
 enum spi_signal_type {