diff options
Diffstat (limited to 'xen-blkfront-name-adjust.patch')
| -rw-r--r-- | xen-blkfront-name-adjust.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/xen-blkfront-name-adjust.patch b/xen-blkfront-name-adjust.patch new file mode 100644 index 000000000..9573c7bf5 --- /dev/null +++ b/xen-blkfront-name-adjust.patch @@ -0,0 +1,30 @@ +commit 196cfe2ae8fcdc03b3c7d627e7dfe8c0ce7229f9 +Author: Stefan Bader <stefan.bader@canonical.com> +Date: Thu Jul 14 15:30:22 2011 +0200 + + xen-blkfront: Drop name and minor adjustments for emulated scsi devices + + These were intended to avoid the namespace clash when representing + emulated IDE and SCSI devices. However that seems to confuse users + more than expected (a disk defined as sda becomes xvde). + So for now go back to the scheme which does no adjustments. This + will break when mixing IDE and SCSI names in the configuration of + guests but should be by now expected. + + Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> + Signed-off-by: Stefan Bader <stefan.bader@canonical.com> + Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> + +--- linux-2.6.39.noarch/drivers/block/xen-blkfront.c~ 2011-08-11 11:54:25.656150889 -0400 ++++ linux-2.6.39.noarch/drivers/block/xen-blkfront.c 2011-08-11 11:54:54.573046334 -0400 +@@ -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 */ + |