diff options
Diffstat (limited to 'drivers/block/cciss.c')
-rw-r--r-- | drivers/block/cciss.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 71018b98859..5abdce3ef70 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c | |||
@@ -1382,12 +1382,27 @@ static int cciss_getdrivver(ctlr_info_t *h, void __user *argp) | |||
1382 | return 0; | 1382 | return 0; |
1383 | } | 1383 | } |
1384 | 1384 | ||
1385 | static int cciss_getluninfo(ctlr_info_t *h, | ||
1386 | struct gendisk *disk, void __user *argp) | ||
1387 | { | ||
1388 | LogvolInfo_struct luninfo; | ||
1389 | drive_info_struct *drv = get_drv(disk); | ||
1390 | |||
1391 | if (!argp) | ||
1392 | return -EINVAL; | ||
1393 | memcpy(&luninfo.LunID, drv->LunID, sizeof(luninfo.LunID)); | ||
1394 | luninfo.num_opens = drv->usage_count; | ||
1395 | luninfo.num_parts = 0; | ||
1396 | if (copy_to_user(argp, &luninfo, sizeof(LogvolInfo_struct))) | ||
1397 | return -EFAULT; | ||
1398 | return 0; | ||
1399 | } | ||
1400 | |||
1385 | static int cciss_ioctl(struct block_device *bdev, fmode_t mode, | 1401 | static int cciss_ioctl(struct block_device *bdev, fmode_t mode, |
1386 | unsigned int cmd, unsigned long arg) | 1402 | unsigned int cmd, unsigned long arg) |
1387 | { | 1403 | { |
1388 | struct gendisk *disk = bdev->bd_disk; | 1404 | struct gendisk *disk = bdev->bd_disk; |
1389 | ctlr_info_t *h = get_host(disk); | 1405 | ctlr_info_t *h = get_host(disk); |
1390 | drive_info_struct *drv = get_drv(disk); | ||
1391 | void __user *argp = (void __user *)arg; | 1406 | void __user *argp = (void __user *)arg; |
1392 | 1407 | ||
1393 | dev_dbg(&h->pdev->dev, "cciss_ioctl: Called with cmd=%x %lx\n", | 1408 | dev_dbg(&h->pdev->dev, "cciss_ioctl: Called with cmd=%x %lx\n", |
@@ -1415,19 +1430,8 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, | |||
1415 | case CCISS_REGNEWD: | 1430 | case CCISS_REGNEWD: |
1416 | case CCISS_REVALIDVOLS: | 1431 | case CCISS_REVALIDVOLS: |
1417 | return rebuild_lun_table(h, 0, 1); | 1432 | return rebuild_lun_table(h, 0, 1); |
1418 | 1433 | case CCISS_GETLUNINFO: | |
1419 | case CCISS_GETLUNINFO:{ | 1434 | return cciss_getluninfo(h, disk, argp); |
1420 | LogvolInfo_struct luninfo; | ||
1421 | |||
1422 | memcpy(&luninfo.LunID, drv->LunID, | ||
1423 | sizeof(luninfo.LunID)); | ||
1424 | luninfo.num_opens = drv->usage_count; | ||
1425 | luninfo.num_parts = 0; | ||
1426 | if (copy_to_user(argp, &luninfo, | ||
1427 | sizeof(LogvolInfo_struct))) | ||
1428 | return -EFAULT; | ||
1429 | return 0; | ||
1430 | } | ||
1431 | case CCISS_PASSTHRU: | 1435 | case CCISS_PASSTHRU: |
1432 | { | 1436 | { |
1433 | IOCTL_Command_struct iocommand; | 1437 | IOCTL_Command_struct iocommand; |