BLKFLSBUF does not actually send a flush command to the device, but
teard down buffer cache structures. Remove the mtd_blkdevs
implementation and just use the default semantics instead.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/mtd/mtd_blkdevs.c | 28 ----------------------------
1 file changed, 28 deletions(-)
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 0c05f77f9b216e..fb8e12d590a13a 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -298,38 +298,10 @@ static int blktrans_getgeo(struct block_device *bdev, struct hd_geometry *geo)
return ret;
}
-static int blktrans_ioctl(struct block_device *bdev, fmode_t mode,
- unsigned int cmd, unsigned long arg)
-{
- struct mtd_blktrans_dev *dev = blktrans_dev_get(bdev->bd_disk);
- int ret = -ENXIO;
-
- if (!dev)
- return ret;
-
- mutex_lock(&dev->lock);
-
- if (!dev->mtd)
- goto unlock;
-
- switch (cmd) {
- case BLKFLSBUF:
- ret = dev->tr->flush ? dev->tr->flush(dev) : 0;
- break;
- default:
- ret = -ENOTTY;
- }
-unlock:
- mutex_unlock(&dev->lock);
- blktrans_dev_put(dev);
- return ret;
-}
-
static const struct block_device_operations mtd_block_ops = {
.owner = THIS_MODULE,
.open = blktrans_open,
.release = blktrans_release,
- .ioctl = blktrans_ioctl,
.getgeo = blktrans_getgeo,
};
--
2.28.0
