diff options
Diffstat (limited to 'sys/kern/subr_diskslice.c')
| -rw-r--r-- | sys/kern/subr_diskslice.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sys/kern/subr_diskslice.c b/sys/kern/subr_diskslice.c index 76adaa93918f..88f9598fe4d7 100644 --- a/sys/kern/subr_diskslice.c +++ b/sys/kern/subr_diskslice.c @@ -121,6 +121,24 @@ clone_label(lp) return (lp1); } +dev_t +dkmodpart(dev_t dev, int part) +{ + return (makedev(major(dev), (minor(dev) & ~7) | part)); +} + +dev_t +dkmodslice(dev_t dev, int slice) +{ + return (makedev(major(dev), (minor(dev) & ~0x1f0000) | (slice << 16))); +} + +u_int +dkunit(dev_t dev) +{ + return (((minor(dev) >> 16) & 0x1e0) | ((minor(dev) >> 3) & 0x1f)); +} + /* * Determine the size of the transfer, and make sure it is * within the boundaries of the partition. Adjust transfer |