[PATCH] Add block_device_operations.getgeo block device method

[mirror_ubuntu-zesty-kernel.git] / drivers / ide / legacy / hd.c

diff --git a/drivers/ide/legacy/hd.c b/drivers/ide/legacy/hd.c
index 242029c9c0ca9a5e9e61b64011a3cd9dce7c31fd..6439dec66881619fc26d678a5bab544e18e06182 100644 (file)
--- a/drivers/ide/legacy/hd.c
+++ b/drivers/ide/legacy/hd.c
@@ -658,22 +658,14 @@ static void do_hd_request (request_queue_t * q)
        enable_irq(HD_IRQ);
 }
 
-static int hd_ioctl(struct inode * inode, struct file * file,
-       unsigned int cmd, unsigned long arg)
+static int hd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 {
-       struct hd_i_struct *disk = inode->i_bdev->bd_disk->private_data;
-       struct hd_geometry __user *loc = (struct hd_geometry __user *) arg;
-       struct hd_geometry g; 
-
-       if (cmd != HDIO_GETGEO)
-               return -EINVAL;
-       if (!loc)
-               return -EINVAL;
-       g.heads = disk->head;
-       g.sectors = disk->sect;
-       g.cylinders = disk->cyl;
-       g.start = get_start_sect(inode->i_bdev);
-       return copy_to_user(loc, &g, sizeof g) ? -EFAULT : 0; 
+       struct hd_i_struct *disk = bdev->bd_disk->private_data;
+
+       geo->heads = disk->head;
+       geo->sectors = disk->sect;
+       geo->cylinders = disk->cyl;
+       return 0;
 }
 
 /*
@@ -695,7 +687,7 @@ static irqreturn_t hd_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 }
 
 static struct block_device_operations hd_fops = {
-       .ioctl =        hd_ioctl,
+       .getgeo =       hd_getgeo,
 };
 
 /*