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qcow2-refcount: Repair shared refcount blocks

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If the refcount of a refcount block is greater than one, we can at least
try to repair that problem by duplicating the affected block.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2013-09-02 09:25:10 +02:00 • committed by Kevin Wolf
parent e23e400ec6
commit afa50193cd
3 changed files with 148 additions and 2 deletions
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1
block/blkdebug.c
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@ -168,6 +168,7 @@ static const char *event_names[BLKDBG_EVENT_MAX] = {
[BLKDBG_REFTABLE_LOAD] = "reftable_load",
[BLKDBG_REFTABLE_GROW] = "reftable_grow",
[BLKDBG_REFTABLE_UPDATE] = "reftable_update",
[BLKDBG_REFBLOCK_LOAD] = "refblock_load",
[BLKDBG_REFBLOCK_UPDATE] = "refblock_update",