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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2006-01-09 19:18:33 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-01-09 19:18:33 +0000
commit0a3a98f6dd4e8f4d928a09302c0d1c56f2192ac3 (patch)
tree92f55e374a84d06ce8213a4540454760fdecf137 /drivers/block/paride/pf.c
parent8ef12c9f01afba47c2d33bb939085111ca0d0f7d (diff)
parent5367f2d67c7d0bf1faae90e6e7b4e2ac3c9b5e0f (diff)
Merge Linus' tree.
Diffstat (limited to 'drivers/block/paride/pf.c')
-rw-r--r--drivers/block/paride/pf.c50
1 files changed, 26 insertions, 24 deletions
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index e9746af29b9..852b564e903 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -205,6 +205,7 @@ static int pf_open(struct inode *inode, struct file *file);
static void do_pf_request(request_queue_t * q);
static int pf_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg);
+static int pf_getgeo(struct block_device *bdev, struct hd_geometry *geo);
static int pf_release(struct inode *inode, struct file *file);
@@ -266,6 +267,7 @@ static struct block_device_operations pf_fops = {
.open = pf_open,
.release = pf_release,
.ioctl = pf_ioctl,
+ .getgeo = pf_getgeo,
.media_changed = pf_check_media,
};
@@ -313,34 +315,34 @@ static int pf_open(struct inode *inode, struct file *file)
return 0;
}
-static int pf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static int pf_getgeo(struct block_device *bdev, struct hd_geometry *geo)
{
- struct pf_unit *pf = inode->i_bdev->bd_disk->private_data;
- struct hd_geometry __user *geo = (struct hd_geometry __user *) arg;
- struct hd_geometry g;
- sector_t capacity;
-
- if (cmd == CDROMEJECT) {
- if (pf->access == 1) {
- pf_eject(pf);
- return 0;
- }
- return -EBUSY;
- }
- if (cmd != HDIO_GETGEO)
- return -EINVAL;
- capacity = get_capacity(pf->disk);
+ struct pf_unit *pf = bdev->bd_disk->private_data;
+ sector_t capacity = get_capacity(pf->disk);
+
if (capacity < PF_FD_MAX) {
- g.cylinders = sector_div(capacity, PF_FD_HDS * PF_FD_SPT);
- g.heads = PF_FD_HDS;
- g.sectors = PF_FD_SPT;
+ geo->cylinders = sector_div(capacity, PF_FD_HDS * PF_FD_SPT);
+ geo->heads = PF_FD_HDS;
+ geo->sectors = PF_FD_SPT;
} else {
- g.cylinders = sector_div(capacity, PF_HD_HDS * PF_HD_SPT);
- g.heads = PF_HD_HDS;
- g.sectors = PF_HD_SPT;
+ geo->cylinders = sector_div(capacity, PF_HD_HDS * PF_HD_SPT);
+ geo->heads = PF_HD_HDS;
+ geo->sectors = PF_HD_SPT;
}
- if (copy_to_user(geo, &g, sizeof(g)))
- return -EFAULT;
+
+ return 0;
+}
+
+static int pf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+{
+ struct pf_unit *pf = inode->i_bdev->bd_disk->private_data;
+
+ if (cmd != CDROMEJECT)
+ return -EINVAL;
+
+ if (pf->access != 1)
+ return -EBUSY;
+ pf_eject(pf);
return 0;
}