Re: [Qemu-devel] [PATCH for-3.1 v10 00/31] block: Fix some filename generation issues

[Kevin Wolf]

Am 09.08.2018 um 23:34 hat Max Reitz geschrieben:
> Once more, I’ll spare both me and you another iteration of the cover
> letter, so see here:
> 
> http://lists.nongnu.org/archive/html/qemu-block/2017-09/msg01030.html
> 
> (Although this series no longer includes a @base-directory option.)
> 
> In regards to the last version, the biggest change is that I dropped
> backing_overridden and instead try to compare the filename from the
> image header with the filename of the actual backing BDS to find out
> whether the backing file has been overridden.
> 
> In order that this doesn’t break whenever the header contains a slightly
> unusual (“non-canonical”) backing filename (e.g. “file:foo.qcow2” or
> “nbd:localhost:10809” instead of “nbd://localhost:10809”, i.e. something
> different from what bdrv_refresh_filename() would generate), when the
> reference filename in the BDS (auto_backing_file) is used to open the
> backing file, it is updated from the backing BDS's resulting filename.

This doesn't seem to apply cleanly any more.

Kevin