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-rw-r--r--drivers/block/Kconfig2
-rw-r--r--drivers/block/xen-blkfront.c6
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 57212c5235e2..6f07ec1c2f58 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -486,7 +486,7 @@ config XEN_BLKDEV_FRONTEND
486 in another domain which drives the actual block device. 486 in another domain which drives the actual block device.
487 487
488config XEN_BLKDEV_BACKEND 488config XEN_BLKDEV_BACKEND
489 tristate "Block-device backend driver" 489 tristate "Xen block-device backend driver"
490 depends on XEN_BACKEND 490 depends on XEN_BACKEND
491 help 491 help
492 The block-device backend driver allows the kernel to export its 492 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 b536a9cef917..9ea8c2576c70 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -123,8 +123,8 @@ static DEFINE_SPINLOCK(minor_lock);
123#define BLKIF_MINOR_EXT(dev) ((dev)&(~EXTENDED)) 123#define BLKIF_MINOR_EXT(dev) ((dev)&(~EXTENDED))
124#define EMULATED_HD_DISK_MINOR_OFFSET (0) 124#define EMULATED_HD_DISK_MINOR_OFFSET (0)
125#define EMULATED_HD_DISK_NAME_OFFSET (EMULATED_HD_DISK_MINOR_OFFSET / 256) 125#define EMULATED_HD_DISK_NAME_OFFSET (EMULATED_HD_DISK_MINOR_OFFSET / 256)
126#define EMULATED_SD_DISK_MINOR_OFFSET (EMULATED_HD_DISK_MINOR_OFFSET + (4 * 16)) 126#define EMULATED_SD_DISK_MINOR_OFFSET (0)
127#define EMULATED_SD_DISK_NAME_OFFSET (EMULATED_HD_DISK_NAME_OFFSET + 4) 127#define EMULATED_SD_DISK_NAME_OFFSET (EMULATED_SD_DISK_MINOR_OFFSET / 256)
128 128
129#define DEV_NAME "xvd" /* name in /dev */ 129#define DEV_NAME "xvd" /* name in /dev */
130 130
@@ -529,7 +529,7 @@ static int xlvbd_alloc_gendisk(blkif_sector_t capacity,
529 minor = BLKIF_MINOR_EXT(info->vdevice); 529 minor = BLKIF_MINOR_EXT(info->vdevice);
530 nr_parts = PARTS_PER_EXT_DISK; 530 nr_parts = PARTS_PER_EXT_DISK;
531 offset = minor / nr_parts; 531 offset = minor / nr_parts;
532 if (xen_hvm_domain() && offset <= EMULATED_HD_DISK_NAME_OFFSET + 4) 532 if (xen_hvm_domain() && offset < EMULATED_HD_DISK_NAME_OFFSET + 4)
533 printk(KERN_WARNING "blkfront: vdevice 0x%x might conflict with " 533 printk(KERN_WARNING "blkfront: vdevice 0x%x might conflict with "
534 "emulated IDE disks,\n\t choose an xvd device name" 534 "emulated IDE disks,\n\t choose an xvd device name"
535 "from xvde on\n", info->vdevice); 535 "from xvde on\n", info->vdevice);