Am 09.04.2013 um 15:13 hat Markus Armbruster geschrieben: > When doing an error conversion, you have to decide "where to cut". > Everything above the cut is converted to Error. Everything below keeps > using other methods, such as returning -errno. > > Using Error sucks, because it's cumbersome. > > Using Error is nice, because you can report errors in more detail. > > Converting to Error is worthwhile when the niceness is worth the > suckage. > > This patch cuts below the block driver API. I'm not saying that's bad. > I just want to hear Kevin's opinion on it (cc'ed).
I think for bdrv_snapshot_create() it could make sense to pass an Error object to the block drivers. Same thing for bdrv_create() or bdrv_open(). Most other functions probably can't make much use of it. Kevin
