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authorAlberto Garcia <berto@igalia.com>2018-04-10 18:05:04 +0200
committerMax Reitz <mreitz@redhat.com>2018-05-15 16:15:21 +0200
commit3c7d14b201ee4eeec2ca259b5a071a4599aa8847 (patch)
tree1517743ec47ddef679eafe3d5598b91fd2306567 /docs/interop
parent74c44a59348f7fac96c32621e37ee636546f26f8 (diff)
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specs/qcow2: Clarify that compressed clusters have the COPIED bit reset
Compressed clusters are not supposed to have the COPIED bit set, but this is not made explicit in the specs, so let's document it. Signed-off-by: Alberto Garcia <berto@igalia.com> Message-id: 74552e1d6e858d3159cb0c0e188e80bc9248e337.1523376013.git.berto@igalia.com Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'docs/interop')
-rw-r--r--docs/interop/qcow2.txt8
1 files changed, 4 insertions, 4 deletions
diff --git a/docs/interop/qcow2.txt b/docs/interop/qcow2.txt
index feb711f..8e1547d 100644
--- a/docs/interop/qcow2.txt
+++ b/docs/interop/qcow2.txt
@@ -400,10 +400,10 @@ L2 table entry:
62: 0 for standard clusters
1 for compressed clusters
- 63: 0 for a cluster that is unused or requires COW, 1 if its
- refcount is exactly one. This information is only accurate
- in L2 tables that are reachable from the active L1
- table.
+ 63: 0 for clusters that are unused, compressed or require COW.
+ 1 for standard clusters whose refcount is exactly one.
+ This information is only accurate in L2 tables
+ that are reachable from the active L1 table.
Standard Cluster Descriptor: