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由 Kevin Wolf 提交于
Commit 29cdb251 already added a comment that no unnecessary flushes to disk will occur, this patch makes the code even get to the point of the comment. This is mostly theoretical because in practice we only stack one format on top of one protocol, the former implementing flush_to_os and the latter only flush_to_disk. It starts to matter when drivers that are not on top implement flush_to_os. Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com>
d4c82329