diff options
| -rw-r--r-- | drivers/block/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/block/xen-blkfront.c | 6 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 57212c5235e..6f07ec1c2f5 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -486,7 +486,7 @@ config XEN_BLKDEV_FRONTEND in another domain which drives the actual block device. config XEN_BLKDEV_BACKEND - tristate "Block-device backend driver" + tristate "Xen block-device backend driver" depends on XEN_BACKEND help The block-device backend driver allows the kernel to export its diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index b536a9cef91..9ea8c2576c7 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -123,8 +123,8 @@ static DEFINE_SPINLOCK(minor_lock); #define BLKIF_MINOR_EXT(dev) ((dev)&(~EXTENDED)) #define EMULATED_HD_DISK_MINOR_OFFSET (0) #define EMULATED_HD_DISK_NAME_OFFSET (EMULATED_HD_DISK_MINOR_OFFSET / 256) -#define EMULATED_SD_DISK_MINOR_OFFSET (EMULATED_HD_DISK_MINOR_OFFSET + (4 * 16)) -#define EMULATED_SD_DISK_NAME_OFFSET (EMULATED_HD_DISK_NAME_OFFSET + 4) +#define EMULATED_SD_DISK_MINOR_OFFSET (0) +#define EMULATED_SD_DISK_NAME_OFFSET (EMULATED_SD_DISK_MINOR_OFFSET / 256) #define DEV_NAME "xvd" /* name in /dev */ @@ -529,7 +529,7 @@ static int xlvbd_alloc_gendisk(blkif_sector_t capacity, minor = BLKIF_MINOR_EXT(info->vdevice); nr_parts = PARTS_PER_EXT_DISK; offset = minor / nr_parts; - if (xen_hvm_domain() && offset <= EMULATED_HD_DISK_NAME_OFFSET + 4) + if (xen_hvm_domain() && offset < EMULATED_HD_DISK_NAME_OFFSET + 4) printk(KERN_WARNING "blkfront: vdevice 0x%x might conflict with " "emulated IDE disks,\n\t choose an xvd device name" "from xvde on\n", info->vdevice); |