diff options
Diffstat (limited to 'drivers/s390/block/xpram.c')
-rw-r--r-- | drivers/s390/block/xpram.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c index bf3a67c3cc5e..54ecd548c318 100644 --- a/drivers/s390/block/xpram.c +++ b/drivers/s390/block/xpram.c | |||
@@ -328,31 +328,27 @@ fail: | |||
328 | return 0; | 328 | return 0; |
329 | } | 329 | } |
330 | 330 | ||
331 | static int xpram_ioctl (struct inode *inode, struct file *filp, | 331 | static int xpram_getgeo(struct block_device *bdev, struct hd_geometry *geo) |
332 | unsigned int cmd, unsigned long arg) | ||
333 | { | 332 | { |
334 | struct hd_geometry __user *geo; | ||
335 | unsigned long size; | 333 | unsigned long size; |
336 | if (cmd != HDIO_GETGEO) | 334 | |
337 | return -EINVAL; | ||
338 | /* | 335 | /* |
339 | * get geometry: we have to fake one... trim the size to a | 336 | * get geometry: we have to fake one... trim the size to a |
340 | * multiple of 64 (32k): tell we have 16 sectors, 4 heads, | 337 | * multiple of 64 (32k): tell we have 16 sectors, 4 heads, |
341 | * whatever cylinders. Tell also that data starts at sector. 4. | 338 | * whatever cylinders. Tell also that data starts at sector. 4. |
342 | */ | 339 | */ |
343 | geo = (struct hd_geometry __user *) arg; | ||
344 | size = (xpram_pages * 8) & ~0x3f; | 340 | size = (xpram_pages * 8) & ~0x3f; |
345 | put_user(size >> 6, &geo->cylinders); | 341 | geo->cylinders = size >> 6; |
346 | put_user(4, &geo->heads); | 342 | geo->heads = 4; |
347 | put_user(16, &geo->sectors); | 343 | geo->sectors = 16; |
348 | put_user(4, &geo->start); | 344 | geo->start = 4; |
349 | return 0; | 345 | return 0; |
350 | } | 346 | } |
351 | 347 | ||
352 | static struct block_device_operations xpram_devops = | 348 | static struct block_device_operations xpram_devops = |
353 | { | 349 | { |
354 | .owner = THIS_MODULE, | 350 | .owner = THIS_MODULE, |
355 | .ioctl = xpram_ioctl, | 351 | .getgeo = xpram_getgeo, |
356 | }; | 352 | }; |
357 | 353 | ||
358 | /* | 354 | /* |