On 17.05.2016 09:35, Fam Zheng wrote: > Later the block layer will automatically lock the images to avoid unexpected > concurrent accesses to the same image, which will easily corrupt the metadata > or user data, unless in some very special cases, like migration. > > The exceptional cases like shared storage migration and testing should > set BDRV_O_SHARED_LOCK or BDRV_O_NO_LOCK to advise an appropriate > locking mode. > > Signed-off-by: Fam Zheng <f...@redhat.com> > --- > include/block/block.h | 2 ++ > 1 file changed, 2 insertions(+)
Reviewed-by: Max Reitz <mre...@redhat.com>
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