Re: [Qemu-devel] [PATCH v3 10/12] block: add backing-file option to block-stream

2014-05-30 Thread Eric Blake
On 05/30/2014 11:35 AM, Jeff Cody wrote: > On some image chains, QEMU may not always be able to resolve the > filenames properly, when updating the backing file of an image > after a block job. > > For instance, certain relative pathnames may fail, or drives may > have been specified originally by

[Qemu-devel] [PATCH v3 10/12] block: add backing-file option to block-stream

2014-05-30 Thread Jeff Cody
On some image chains, QEMU may not always be able to resolve the filenames properly, when updating the backing file of an image after a block job. For instance, certain relative pathnames may fail, or drives may have been specified originally by file descriptor (e.g. /dev/fd/???), or a relative pr