Re: [Qemu-devel] [PATCH v6 01/22] block: Add flag bits for image locking

2016-06-17 Thread Kevin Wolf
Am 03.06.2016 um 10:48 hat Fam Zheng geschrieben: > 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 ca

[Qemu-devel] [PATCH v6 01/22] block: Add flag bits for image locking

2016-06-03 Thread Fam Zheng
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 BDR