]> bbs.cooldavid.org Git - net-next-2.6.git/blobdiff - drivers/block/paride/pd.c
block: autoconvert trivial BKL users to private mutex
[net-next-2.6.git] / drivers / block / paride / pd.c
index 985f0d4f1d1e2641c6c6d7f61e8dd76a95201921..c0ee1558b9bba105859f29f288bb4310e8ad4f3d 100644 (file)
@@ -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;
 }