Re: [Qemu-devel] [PATCH v2 10/11] block: add backing-file option to block-stream

2014-05-28 Thread Eric Blake
On 05/27/2014 08:28 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. > > +++ b/hmp-commands.hx > @@ -76,7 +76,7 @@ ETEXI > > { > .name = "block_stream

Re: [Qemu-devel] [PATCH v2 10/11] block: add backing-file option to block-stream

2014-05-27 Thread Jeff Cody
On Tue, May 27, 2014 at 02:30:02PM -0600, Eric Blake wrote: > On 05/27/2014 08:28 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 relati

Re: [Qemu-devel] [PATCH v2 10/11] block: add backing-file option to block-stream

2014-05-27 Thread Eric Blake
On 05/27/2014 08:28 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 v2 10/11] block: add backing-file option to block-stream

2014-05-27 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