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xen-devel
[Xen-devel] Re: [Patch] Fix blktap to work with a bootloader
Applied, thanks!
a.
On 9/28/06, Stephen C. Tweedie <sct@xxxxxxxxxx> wrote:
If a Xen guest has a bootloader configured, then it will fail to start
on a blktap image. The problem is blkdev_uname_to_file, which cannot
parse the "tap:aio:$filename" image strings: it tries to split the
string apart at ":" and assign the result to a 2-tuple, and this
results in a python error if the split results in three or more
strings.
The fix is to split only at the first ":", and then to split again
if we detect "tap:" as the image type.
Signed-off-by: Stephen Tweedie <sct@xxxxxxxxxx>
diff -r 94df5bd84195 -r aeba3dd98fbb tools/python/xen/util/blkif.py
--- a/tools/python/xen/util/blkif.py Thu Sep 28 17:09:09 2006 +0100
+++ b/tools/python/xen/util/blkif.py Thu Sep 28 18:05:08 2006 +0100
@@ -64,9 +64,11 @@ def blkdev_uname_to_file(uname):
"""Take a blkdev uname and return the corresponding filename."""
fn = None
if uname.find(":") != -1:
- (typ, fn) = uname.split(":")
+ (typ, fn) = uname.split(":", 1)
if typ == "phy" and not fn.startswith("/"):
fn = "/dev/%s" %(fn,)
+ if typ == "tap":
+ (typ, fn) = fn.split(":", 1)
return fn
def mount_mode(name):
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