nvme: simplify compat_ioctl handling

We can just use our normal ioctl handler for the compat case and remove
the boilerplate code for it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 26c8913..573cc3b 100644 (file)
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1052,16 +1052,6 @@ static int nvme_ioctl(struct block_device *bdev, fmode_t mode,
        }
 }
 
-#ifdef CONFIG_COMPAT
-static int nvme_compat_ioctl(struct block_device *bdev, fmode_t mode,
-                       unsigned int cmd, unsigned long arg)
-{
-       return nvme_ioctl(bdev, mode, cmd, arg);
-}
-#else
-#define nvme_compat_ioctl      NULL
-#endif
-
 static int nvme_open(struct block_device *bdev, fmode_t mode)
 {
        return nvme_get_ns_from_disk(bdev->bd_disk) ? 0 : -ENXIO;
@@ -1380,7 +1370,7 @@ EXPORT_SYMBOL_GPL(nvme_sec_submit);
 static const struct block_device_operations nvme_fops = {
        .owner          = THIS_MODULE,
        .ioctl          = nvme_ioctl,
-       .compat_ioctl   = nvme_compat_ioctl,
+       .compat_ioctl   = nvme_ioctl,
        .open           = nvme_open,
        .release        = nvme_release,
        .getgeo         = nvme_getgeo,