static void block2mtd_sync(struct mtd_info *mtd)
{
struct block2mtd_dev *dev = mtd->priv;
- sync_blockdev(dev->blkdev);
static void block2mtd_sync(struct mtd_info *mtd)
{
struct block2mtd_dev *dev = mtd->priv;
- sync_blockdev(dev->blkdev);
-+
-+ read_lock(&dev->bdev_mutex);
-+ if (dev->blkdev)
-+ sync_blockdev(dev->blkdev);
-+ read_unlock(&dev->bdev_mutex);
-+
- return;
- }
-
-@@ -288,47 +288,17 @@ static void block2mtd_sync(struct mtd_info *mtd)
- }
-
-
- if (dev->blkdev) {
- invalidate_mapping_pages(dev->blkdev->bd_inode->i_mapping,
- 0, -1);
- close_bdev_excl(dev->blkdev);
- }
- if (dev->blkdev) {
- invalidate_mapping_pages(dev->blkdev->bd_inode->i_mapping,
- 0, -1);
- close_bdev_excl(dev->blkdev);
- }
-/* FIXME: ensure that mtd->size % erase_size == 0 */
-static struct block2mtd_dev *add_device(char *devname, int erase_size, const char *mtdname)
+static int _open_bdev(struct block2mtd_dev *dev)
{
struct block_device *bdev;
-/* FIXME: ensure that mtd->size % erase_size == 0 */
-static struct block2mtd_dev *add_device(char *devname, int erase_size, const char *mtdname)
+static int _open_bdev(struct block2mtd_dev *dev)
{
struct block_device *bdev;
/* Get a handle on the device */
- bdev = open_bdev_excl(devname, O_RDWR, NULL);
+ bdev = open_bdev_excl(dev->devname, O_RDWR, NULL);
/* Get a handle on the device */
- bdev = open_bdev_excl(devname, O_RDWR, NULL);
+ bdev = open_bdev_excl(dev->devname, O_RDWR, NULL);