xemu-project/xemu
1
0
Fork 0
mirror of https://github.com/xemu-project/xemu.git synced 2024-11-27 21:40:49 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

specs/qcow2: Clarify that compressed clusters have the COPIED bit reset

Browse Source 
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>
This commit is contained in:
Alberto Garcia 2018-04-10 18:05:04 +02:00 committed by Max Reitz
parent 74c44a5934
commit 3c7d14b201
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
docs/interop/qcow2.txt
View File

@ -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: