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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-01-09 20:18:33 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-01-09 20:18:33 +0100 |
| commit | 0a3a98f6dd4e8f4d928a09302c0d1c56f2192ac3 (patch) | |
| tree | 92f55e374a84d06ce8213a4540454760fdecf137 /drivers/s390/block/dasd.c | |
| parent | [ARM] AT91RM9200 doesn't need anything in dma.h (diff) | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rol... (diff) | |
| download | linux-0a3a98f6dd4e8f4d928a09302c0d1c56f2192ac3.tar.xz linux-0a3a98f6dd4e8f4d928a09302c0d1c56f2192ac3.zip | |
Merge Linus' tree.
Diffstat (limited to 'drivers/s390/block/dasd.c')
| -rw-r--r-- | drivers/s390/block/dasd.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index f779f674dfa0..2472fa1a1be1 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -18,6 +18,7 @@ #include <linux/major.h> #include <linux/slab.h> #include <linux/buffer_head.h> +#include <linux/hdreg.h> #include <asm/ccwdev.h> #include <asm/ebcdic.h> @@ -1723,12 +1724,34 @@ dasd_release(struct inode *inp, struct file *filp) return 0; } +/* + * Return disk geometry. + */ +static int +dasd_getgeo(struct block_device *bdev, struct hd_geometry *geo) +{ + struct dasd_device *device; + + device = bdev->bd_disk->private_data; + if (!device) + return -ENODEV; + + if (!device->discipline || + !device->discipline->fill_geometry) + return -EINVAL; + + device->discipline->fill_geometry(device, geo); + geo->start = get_start_sect(bdev) >> device->s2b_shift; + return 0; +} + struct block_device_operations dasd_device_operations = { .owner = THIS_MODULE, .open = dasd_open, .release = dasd_release, .ioctl = dasd_ioctl, + .getgeo = dasd_getgeo, }; |