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[SCSI] sem2mutex: scsi_transport_spi.c

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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>
This commit is contained in:
Jes Sorensen 2006-01-13 16:05:44 -08:00 committed by James Bottomley
parent f20139bee4
commit d158d26167
2 changed files with 6 additions and 6 deletions
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10
drivers/scsi/scsi_transport_spi.c
View file

@ -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);

2
include/scsi/scsi_transport_spi.h
View file

@ -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 {