From: Max Reitz <mreitz@redhat.com>
Date: Wed, 9 Oct 2013 08:34:10 +0000 (+0200)
Subject: qcow2: Alignment of snapshot table entries
X-Git-Tag: qemu-xen-4.5.0-rc1~425^2~51
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=f252080453ec081ba653bba4e0c1ca86c52cf19f;p=qemu-upstream-4.5-testing.git

qcow2: Alignment of snapshot table entries

The qcow2 specification does not explicitly state so far that every
snapshot table entry is aligned to 8 bytes. QEMU, in contrast, does this
alignment, thus it should be properly documented (which this patch
does).

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---

diff --git a/docs/specs/qcow2.txt b/docs/specs/qcow2.txt
index 33eca360c..f19536a46 100644
--- a/docs/specs/qcow2.txt
+++ b/docs/specs/qcow2.txt
@@ -355,3 +355,6 @@ Snapshot table entry:
         variable:   Unique ID string for the snapshot (not null terminated)
 
         variable:   Name of the snapshot (not null terminated)
+
+        variable:   Padding to round up the snapshot table entry size to the
+                    next multiple of 8.