X-Git-Url: http://bbs.cooldavid.org/git/?a=blobdiff_plain;f=drivers%2Fblock%2Fparide%2Fpd.c;h=c0ee1558b9bba105859f29f288bb4310e8ad4f3d;hb=2a48fc0ab24241755dc93bfd4f01d68efab47f5a;hp=985f0d4f1d1e2641c6c6d7f61e8dd76a95201921;hpb=ad41a1e0cab07c5125456e8d38e5b1ab148d04aa;p=net-next-2.6.git

diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 985f0d4f1d1..c0ee1558b9b 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -153,10 +153,11 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_GEO, D_SBY, D_DLY, D_SLV};
 #include <linux/blkdev.h>
 #include <linux/blkpg.h>
 #include <linux/kernel.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 #include <asm/uaccess.h>
 #include <linux/workqueue.h>
 
+static DEFINE_MUTEX(pd_mutex);
 static DEFINE_SPINLOCK(pd_lock);
 
 module_param(verbose, bool, 0);
@@ -736,14 +737,14 @@ static int pd_open(struct block_device *bdev, fmode_t mode)
 {
 	struct pd_unit *disk = bdev->bd_disk->private_data;
 
-	lock_kernel();
+	mutex_lock(&pd_mutex);
 	disk->access++;
 
 	if (disk->removable) {
 		pd_special_command(disk, pd_media_check);
 		pd_special_command(disk, pd_door_lock);
 	}
-	unlock_kernel();
+	mutex_unlock(&pd_mutex);
 	return 0;
 }
 
@@ -771,10 +772,10 @@ static int pd_ioctl(struct block_device *bdev, fmode_t mode,
 
 	switch (cmd) {
 	case CDROMEJECT:
-		lock_kernel();
+		mutex_lock(&pd_mutex);
 		if (disk->access == 1)
 			pd_special_command(disk, pd_eject);
-		unlock_kernel();
+		mutex_unlock(&pd_mutex);
 		return 0;
 	default:
 		return -EINVAL;
@@ -785,10 +786,10 @@ static int pd_release(struct gendisk *p, fmode_t mode)
 {
 	struct pd_unit *disk = p->private_data;
 
-	lock_kernel();
+	mutex_lock(&pd_mutex);
 	if (!--disk->access && disk->removable)
 		pd_special_command(disk, pd_door_unlock);
-	unlock_kernel();
+	mutex_unlock(&pd_mutex);
 
 	return 0;
 }