On Wed, Aug 1, 2012 at 9:53 PM, Eric Blake <ebl...@redhat.com> wrote: > On 07/31/2012 10:51 AM, Dong Xu Wang wrote: >> In add-cow file format, we will use path_has_protocol and we will read >> a NUL-terminated string from image , qed_read_string has done the samething, > > s/image ,/image,/ > s/samething/same thing/ > >> so make the two functions public, then we will reuse them directly. >> >> While creating images files, if no size is specified, will use size of >> backing >> file. If no backing file is specified, we will use the size of image file. >> >> Signed-off-by: Dong Xu Wang <wdon...@linux.vnet.ibm.com> >> --- >> block.c | 37 +++++++++++++++++++++++++++++++++---- >> block.h | 3 +++ >> block/qed.c | 29 +---------------------------- >> 3 files changed, 37 insertions(+), 32 deletions(-) >> >> + /* The size for the image must always be specified, with one exception: >> + If we are using a backing file, we can obtain the size from there, >> + but if not, and we are using an image file, we will obtain the size >> from it.*/ > > grammar: > The size for the image must be known, either by direct specification, or > by reading it from a backing file or image file. > > -- > Eric Blake ebl...@redhat.com +1-919-301-3266 > Libvirt virtualization library http://libvirt.org >
Nod, Thank you, Eric