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authorIan Jackson <ian.jackson@eu.citrix.com>2012-07-26 10:35:36 +0100
committerIan Jackson <ian.jackson@eu.citrix.com>2012-07-26 10:35:36 +0100
commita413f5a5f4463bc805c297bc2d328f1da17f3b1b (patch)
tree08eb3b82767b221c3568794c4a9c9894e37199d8 /docs/misc/xl-disk-configuration.txt
parentc902f397d67d3fa959d46a0373230da3f8c8af92 (diff)
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xl: support xend empty cdrom device syntax
xend accepts `,hdc:cdrom,r' as an empty CDROM drive. However this is not consistent with the existing xl syntax in docs/misc/xl-disk-configuration.txt which requires `,,hdc:cdrom,r' (the additional positional paramter is the format). We fix this by spotting the case specially: when the target is empty and the format contains a colon, reinterpret the format as <vdev>:<devtype>. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
Diffstat (limited to 'docs/misc/xl-disk-configuration.txt')
-rw-r--r--docs/misc/xl-disk-configuration.txt11
1 files changed, 11 insertions, 0 deletions
diff --git a/docs/misc/xl-disk-configuration.txt b/docs/misc/xl-disk-configuration.txt
index 740b8f6429..5da5e11ea4 100644
--- a/docs/misc/xl-disk-configuration.txt
+++ b/docs/misc/xl-disk-configuration.txt
@@ -221,3 +221,14 @@ to specify several of these, for example:
"tap:aio:/some/path..."
All of these prefixes are now stripped and ignored.
+
+
+Missing format and empty target
+-------------------------------
+
+The following syntax is also supported:
+
+ ,<vdev>:<devtype>,<access> (deprecated)
+
+This is soley for compatibility with xend's syntax for empty cdroms,
+which is (for example) ",hdc:cdrom,r".