diff options
Diffstat (limited to 'xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_block.h')
| -rw-r--r-- | xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_block.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_block.h b/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_block.h index 42da335c4a..3d219eeedc 100644 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_block.h +++ b/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_block.h @@ -35,6 +35,12 @@ #define DPRINTK_IOCTL(_f, _a...) ((void)0) #endif +/* IDE/SCSI have <= 32 partitions per device. VIRT has <= 16. */ +#define PARTN_SHIFT(_dev) ((MAJOR(_dev)==XLVIRT_MAJOR) ? 4 : 5) +#define XLIDE_PARTN_SHIFT 5 +#define XLSCSI_PARTN_SHIFT 5 +#define XLVIRT_PARTN_SHIFT 4 + /* * We have one of these per XL-IDE, XL-SCSI, and XL-VIRT device. * They hang in an array off the gendisk structure. We may end up putting |