Re: [Qemu-devel] [PATCH v3 01/25] block/mirror: Small absolute-paths simplification

2016-12-15 Thread Alberto Garcia
On Wed 30 Nov 2016 02:18:27 AM CET, Max Reitz wrote: > When invoking drive-mirror in absolute-paths mode, the target's backing > BDS is assigned to it in mirror_complete(). The current logic only does > so if the target does not have that backing BDS already; but it actually > cannot have a

[Qemu-devel] [PATCH v3 01/25] block/mirror: Small absolute-paths simplification

2016-11-29 Thread Max Reitz
When invoking drive-mirror in absolute-paths mode, the target's backing BDS is assigned to it in mirror_complete(). The current logic only does so if the target does not have that backing BDS already; but it actually cannot have a backing BDS at all (the BDS is opened with O_NO_BACKING in