block: push down BKL into .open and .release

[net-next-2.6.git] / drivers / mtd / mtd_blkdevs.c

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 8c83b11a77d595123009f3a5d97832b29ac7fea6..5ca80aee2ed015fd39c1e18a69e1aa7a7c289200 100644 (file)
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -165,8 +165,9 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode)
        int ret;
 
        if (!dev)
-               return -ERESTARTSYS;
+               return -ERESTARTSYS; /* FIXME: busy loop! -arnd*/
 
+       lock_kernel();
        mutex_lock(&dev->lock);
 
        if (!dev->mtd) {
@@ -183,6 +184,7 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode)
 unlock:
        mutex_unlock(&dev->lock);
        blktrans_dev_put(dev);
+       unlock_kernel();
        return ret;
 }
 
@@ -194,6 +196,7 @@ static int blktrans_release(struct gendisk *disk, fmode_t mode)
        if (!dev)
                return ret;
 
+       lock_kernel();
        mutex_lock(&dev->lock);
 
        /* Release one reference, we sure its not the last one here*/
@@ -206,6 +209,7 @@ static int blktrans_release(struct gendisk *disk, fmode_t mode)
 unlock:
        mutex_unlock(&dev->lock);
        blktrans_dev_put(dev);
+       unlock_kernel();
        return ret;
 }