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path: root/drivers/s390/block/xpram.c
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Diffstat (limited to 'drivers/s390/block/xpram.c')
-rw-r--r--drivers/s390/block/xpram.c18
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
331static int xpram_ioctl (struct inode *inode, struct file *filp, 331static 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
352static struct block_device_operations xpram_devops = 348static 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/*