Fix the device number calculation for /dev/hd* device names;
ide device numbering works differently to scsi
Signed-off-by: Jody Belka <knew-xen@pimb.org>
diffstat:
blkif.py | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff -durN xen.orig/tools/python/xen/xend/server/blkif.py
xen/tools/python/xen/xend/server/blkif.py
--- xen.orig/tools/python/xen/xend/server/blkif.py 2005-01-30 00:46:29.000000000
+0100
+++ xen/tools/python/xen/xend/server/blkif.py 2005-01-31 22:08:52.410420992
+0100
@@ -66,8 +66,11 @@
if re.match( ''/dev/sd[a-p]([0-9]|1[0-5])'', n):
return 8 * 256 + 16 * (ord(n[7:8]) - ord(''a'')) +
int(n[8:])
- if re.match( ''/dev/hd[a-p]([0-9]|[1-5][0-9]|6[0-3])'', n):
- return 3 * 256 + 16 * (ord(n[7:8]) - ord(''a'')) +
int(n[8:])
+ if re.match( ''/dev/hd[a-t]([1-9]|[1-5][0-9]|6[0-3])?'',
n):
+ ide_majors = [ 3, 22, 33, 34, 56, 57, 88, 89, 90, 91 ]
+ major = ide_majors[(ord(n[7:8]) - ord(''a'')) / 2]
+ minor = ((ord(n[7:8]) - ord(''a'')) % 2) * 64 +
int(n[8:] or 0)
+ return major * 256 + minor
# see if this is a hex device number
if re.match( ''^(0x)?[0-9a-fA-F]+$'', name ):
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