aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/ide/ide-disk.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ide/ide-disk.c')
-rw-r--r--drivers/ide/ide-disk.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 09086b8b6486..e238b7da824b 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -60,6 +60,7 @@
60#include <linux/genhd.h> 60#include <linux/genhd.h>
61#include <linux/slab.h> 61#include <linux/slab.h>
62#include <linux/delay.h> 62#include <linux/delay.h>
63#include <linux/mutex.h>
63 64
64#define _IDE_DISK 65#define _IDE_DISK
65 66
@@ -78,7 +79,7 @@ struct ide_disk_obj {
78 struct kref kref; 79 struct kref kref;
79}; 80};
80 81
81static DECLARE_MUTEX(idedisk_ref_sem); 82static DEFINE_MUTEX(idedisk_ref_mutex);
82 83
83#define to_ide_disk(obj) container_of(obj, struct ide_disk_obj, kref) 84#define to_ide_disk(obj) container_of(obj, struct ide_disk_obj, kref)
84 85
@@ -89,11 +90,11 @@ static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
89{ 90{
90 struct ide_disk_obj *idkp = NULL; 91 struct ide_disk_obj *idkp = NULL;
91 92
92 down(&idedisk_ref_sem); 93 mutex_lock(&idedisk_ref_mutex);
93 idkp = ide_disk_g(disk); 94 idkp = ide_disk_g(disk);
94 if (idkp) 95 if (idkp)
95 kref_get(&idkp->kref); 96 kref_get(&idkp->kref);
96 up(&idedisk_ref_sem); 97 mutex_unlock(&idedisk_ref_mutex);
97 return idkp; 98 return idkp;
98} 99}
99 100
@@ -101,9 +102,9 @@ static void ide_disk_release(struct kref *);
101 102
102static void ide_disk_put(struct ide_disk_obj *idkp) 103static void ide_disk_put(struct ide_disk_obj *idkp)
103{ 104{
104 down(&idedisk_ref_sem); 105 mutex_lock(&idedisk_ref_mutex);
105 kref_put(&idkp->kref, ide_disk_release); 106 kref_put(&idkp->kref, ide_disk_release);
106 up(&idedisk_ref_sem); 107 mutex_unlock(&idedisk_ref_mutex);
107} 108}
108 109
109/* 110/*