Am 15.09.2017 um 12:10 hat Kevin Wolf geschrieben: > bdrv_reopen() can switch nodes between read-only and read-write modes. > This has implications for the required permissions on their child nodes. > For example, a qcow2 node requests write permissions on bs->file only if > it is writable itself. > > This means that during bdrv_reopen(), the permissions need to be > recalculated in order to prevent failures where the bs->file > permissions don't match its actual read-only state (e.g. bs->file is a > read-write node, but the permission still enforces read-only access).
Applied to the block branch. Kevin
