[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>
diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c
index a50958b..1b5711e 100644
--- a/drivers/scsi/scsi_proc.c
+++ b/drivers/scsi/scsi_proc.c
@@ -25,6 +25,7 @@
#include <linux/errno.h>
#include <linux/blkdev.h>
#include <linux/seq_file.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
#include <scsi/scsi.h>
@@ -41,7 +42,7 @@
static struct proc_dir_entry *proc_scsi;
/* Protect sht->present and sht->proc_dir */
-static DECLARE_MUTEX(global_host_template_sem);
+static DEFINE_MUTEX(global_host_template_mutex);
static int proc_scsi_read(char *buffer, char **start, off_t offset,
int length, int *eof, void *data)
@@ -83,7 +84,7 @@
if (!sht->proc_info)
return;
- down(&global_host_template_sem);
+ mutex_lock(&global_host_template_mutex);
if (!sht->present++) {
sht->proc_dir = proc_mkdir(sht->proc_name, proc_scsi);
if (!sht->proc_dir)
@@ -92,7 +93,7 @@
else
sht->proc_dir->owner = sht->module;
}
- up(&global_host_template_sem);
+ mutex_unlock(&global_host_template_mutex);
}
void scsi_proc_hostdir_rm(struct scsi_host_template *sht)
@@ -100,12 +101,12 @@
if (!sht->proc_info)
return;
- down(&global_host_template_sem);
+ mutex_lock(&global_host_template_mutex);
if (!--sht->present && sht->proc_dir) {
remove_proc_entry(sht->proc_name, proc_scsi);
sht->proc_dir = NULL;
}
- up(&global_host_template_sem);
+ mutex_unlock(&global_host_template_mutex);
}
void scsi_proc_host_add(struct Scsi_Host *shost)