X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fmd%2Fdm-linear.c;h=00234909b3db02b8b55e146b09fe27f57a20cdcc;hb=1bef84bea273f40486936ae97cda70ee8b252cd0;hp=47b3c62bbdb8839086466a60439a0651758acd52;hpb=cdf4f383a4b0ffbf458f65380ecffbeee1f79841;p=powerpc.git

diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index 47b3c62bbd..00234909b3 100644
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -98,14 +98,31 @@ static int linear_status(struct dm_target *ti, status_type_t type,
 	return 0;
 }
 
+static int linear_ioctl(struct dm_target *ti, struct inode *inode,
+			struct file *filp, unsigned int cmd,
+			unsigned long arg)
+{
+	struct linear_c *lc = (struct linear_c *) ti->private;
+	struct block_device *bdev = lc->dev->bdev;
+	struct file fake_file = {};
+	struct dentry fake_dentry = {};
+
+	fake_file.f_mode = lc->dev->mode;
+	fake_file.f_dentry = &fake_dentry;
+	fake_dentry.d_inode = bdev->bd_inode;
+
+	return blkdev_driver_ioctl(bdev->bd_inode, &fake_file, bdev->bd_disk, cmd, arg);
+}
+
 static struct target_type linear_target = {
 	.name   = "linear",
-	.version= {1, 0, 1},
+	.version= {1, 0, 2},
 	.module = THIS_MODULE,
 	.ctr    = linear_ctr,
 	.dtr    = linear_dtr,
 	.map    = linear_map,
 	.status = linear_status,
+	.ioctl  = linear_ioctl,
 };
 
 int __init dm_linear_init(void)