On 12/17/2013 03:33 AM, Jeff Cody wrote: > If there is a dirty log file to be replayed in a VHDX image, it is > replayed in .vhdx_open(). However, if the file is opened read-only, > then a somewhat cryptic error message results. > > This adds a more helpful error message for the user. If an image file > contains a log to be replayed, and is opened read-only, the user is > instructed to run 'qemu-img check -r all' on the image file. > > Running qemu-img check -r all will cause the image file to be opened > r/w, which will replay the log file. If a log file replay is detected, > this is flagged, and bdrv_check will increase the corruptions_fixed > count for the image.
> + error_setg_errno(errp, EPERM, > + "VHDX image file '%s' opened read-only, but " > + "contains a log that needs replayed. To replay > " s/replayed/replaying/ > + "the log, execute:\n qemu-img check -r all > '%s'", > + bs->filename, bs->filename); > + goto exit; -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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