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[Qemu-block] [PATCH 2/2] specs/qcow2: Clarify that compressed clusters h
From: |
Alberto Garcia |
Subject: |
[Qemu-block] [PATCH 2/2] specs/qcow2: Clarify that compressed clusters have the COPIED bit reset |
Date: |
Tue, 10 Apr 2018 18:05:04 +0200 |
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 <address@hidden>
---
docs/interop/qcow2.txt | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/docs/interop/qcow2.txt b/docs/interop/qcow2.txt
index feb711fb6a..8e1547ded2 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:
--
2.11.0