[Qemu-block] [PATCH v5 04/42] block: Add child access functions

There are BDS children that the general block layer code can access, namely bs->file and bs->backing. Since the introduction of filters and external data files, their meaning is not quite clear. bs->backing can be a COW source, or it can be an R/W-filtered child; bs->file can be an R/W-filtered c

Re: [Qemu-block] [PATCH v5 04/42] block: Add child access functions

13.06.2019 1:09, Max Reitz wrote: > There are BDS children that the general block layer code can access, > namely bs->file and bs->backing. Since the introduction of filters and > external data files, their meaning is not quite clear. bs->backing can > be a COW source, or it can be an R/W-filtere