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block: Don't use subtree drains in bdrv_drop_intermediate()

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Instead of using a subtree drain from the top node (which also drains
child nodes of base that we're not even interested in), use a normal
drain for base, which automatically drains all of the parents, too.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20221118174110.55183-9-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2022-11-18 18:41:03 +01:00
parent d22933acd2
commit 631086deef
1 changed files with 2 additions and 2 deletions
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block.c
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@ -5600,7 +5600,7 @@ int bdrv_drop_intermediate(BlockDriverState *top, BlockDriverState *base,
GLOBAL_STATE_CODE();
bdrv_ref(top);
bdrv_subtree_drained_begin(top);
bdrv_drained_begin(base);
if (!top->drv || !base->drv) {
goto exit;
@ -5673,7 +5673,7 @@ int bdrv_drop_intermediate(BlockDriverState *top, BlockDriverState *base,
ret = 0;
exit:
bdrv_subtree_drained_end(top);
bdrv_drained_end(base);
bdrv_unref(top);
return ret;
}