On Fri, 11/10 16:23, Max Reitz wrote: > But bdrv_unref() is safe only in the main loop. Without having checked, > I'm not sure whether all callers of bdrv_next() are running in the main > loop.
They must be. The reasoning is simple: 1) one needs to acquire the ctx of all the BDSes for safe access; 2) only main loop can acquire any BDS' ctx; So there is no way bdrv_next can work in an IOThread. Fam
