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block: BDRVReopenState: drop replace_backing_bs field

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It's used only in bdrv_reopen_commit(). "backing" is covered by the
loop through all children except for case when we removed backing child
during reopen.

Make it more obvious and drop extra boolean field: qdict_del will not
fail if there is no such entry.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210610120537.196183-8-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2021-06-10 15:05:35 +03:00 • committed by Kevin Wolf
parent 25f78d9e2d
commit 3d0e8743f0
2 changed files with 4 additions and 7 deletions
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1
include/block/block.h
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@ -208,7 +208,6 @@ typedef struct BDRVReopenState {
int flags;
BlockdevDetectZeroesOptions detect_zeroes;
bool backing_missing;
bool replace_backing_bs; /* new_backing_bs is ignored if this is false */
BlockDriverState *old_backing_bs; /* keep pointer for permissions update */
QDict *options;
QDict *explicit_options;