[PATCH] sysace: HDIO_GETGEO has it's own method for ages

From: Christoph Hellwig
Date: Mon Jul 30 2007 - 18:00:49 EST


The way this driver triesto implement HDIO_GETGEO it'll never be
called. Then again on ppc it probably will never be called anyway
because it's utterly pointless.


Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Index: linux-2.6/drivers/block/xsysace.c
===================================================================
--- linux-2.6.orig/drivers/block/xsysace.c 2007-07-30 22:53:11.000000000 +0200
+++ linux-2.6/drivers/block/xsysace.c 2007-07-30 22:54:43.000000000 +0200
@@ -902,26 +902,17 @@ static int ace_release(struct inode *ino
return 0;
}

-static int ace_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static int ace_getgeo(struct block_device *bdev, struct hd_geometry *geo)
{
- struct ace_device *ace = inode->i_bdev->bd_disk->private_data;
- struct hd_geometry __user *geo = (struct hd_geometry __user *)arg;
- struct hd_geometry g;
- dev_dbg(ace->dev, "ace_ioctl()\n");
-
- switch (cmd) {
- case HDIO_GETGEO:
- g.heads = ace->cf_id.heads;
- g.sectors = ace->cf_id.sectors;
- g.cylinders = ace->cf_id.cyls;
- g.start = 0;
- return copy_to_user(geo, &g, sizeof(g)) ? -EFAULT : 0;
+ struct ace_device *ace = bdev->bd_disk->private_data;

- default:
- return -ENOTTY;
- }
- return -ENOTTY;
+ dev_dbg(ace->dev, "ace_getgeo()\n");
+
+ geo->heads = ace->cf_id.heads;
+ geo->sectors = ace->cf_id.sectors;
+ geo->cylinders = ace->cf_id.cyls;
+
+ return 0;
}

static struct block_device_operations ace_fops = {
@@ -930,7 +921,7 @@ static struct block_device_operations ac
.release = ace_release,
.media_changed = ace_media_changed,
.revalidate_disk = ace_revalidate_disk,
- .ioctl = ace_ioctl,
+ .getgeo = ace_getgeo,
};

/* --------------------------------------------------------------------
-
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