dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

cciss: factor out cciss_getluninfo 

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Stephen M. Cameron 2010-08-26 13:56:20 -05:00 committed by Jens Axboe
parent c525919ddf
commit 0894b32c5c
1 changed files with 18 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/block/cciss.c
View File

@ -1382,12 +1382,27 @@ static int cciss_getdrivver(ctlr_info_t *h, void __user *argp)
return 0;
}
static int cciss_getluninfo(ctlr_info_t *h,
struct gendisk *disk, void __user *argp)
{
LogvolInfo_struct luninfo;
drive_info_struct *drv = get_drv(disk);
if (!argp)
return -EINVAL;
memcpy(&luninfo.LunID, drv->LunID, sizeof(luninfo.LunID));
luninfo.num_opens = drv->usage_count;
luninfo.num_parts = 0;
if (copy_to_user(argp, &luninfo, sizeof(LogvolInfo_struct)))
return -EFAULT;
return 0;
}
static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
struct gendisk *disk = bdev->bd_disk;
ctlr_info_t *h = get_host(disk);
drive_info_struct *drv = get_drv(disk);
void __user *argp = (void __user *)arg;
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,
case CCISS_REGNEWD:
case CCISS_REVALIDVOLS:
return rebuild_lun_table(h, 0, 1);
case CCISS_GETLUNINFO:{
LogvolInfo_struct luninfo;
memcpy(&luninfo.LunID, drv->LunID,
sizeof(luninfo.LunID));
luninfo.num_opens = drv->usage_count;
luninfo.num_parts = 0;
if (copy_to_user(argp, &luninfo,
sizeof(LogvolInfo_struct)))
return -EFAULT;
return 0;
}
case CCISS_GETLUNINFO:
return cciss_getluninfo(h, disk, argp);
case CCISS_PASSTHRU:
{
IOCTL_Command_struct iocommand;