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authorKevin Wolf <kwolf@redhat.com>2018-03-22 14:35:58 +0100
committerKevin Wolf <kwolf@redhat.com>2018-06-18 15:03:25 +0200
commitd30b8e64b7b282da785307504ada59efa8096fb1 (patch)
tree90efda3f69182288751288ef62431b28c59e0988 /tests/test-bdrv-drain.c
parent89bd030533e3592ca0a995450dcfc5d53e459e20 (diff)
block: Remove bdrv_drain_recurse()
For bdrv_drain(), recursively waiting for child node requests is pointless because we didn't quiesce their parents, so new requests could come in anyway. Letting the function work only on a single node makes it more consistent. For subtree drains and drain_all, we already have the recursion in bdrv_do_drained_begin(), so the extra recursion doesn't add anything either. Remove the useless code. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'tests/test-bdrv-drain.c')
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