> hurumph. Don't know where i got that from - I tried to base my v9fs > cacheing stuff on cfs.c, but I don't see any qid.version==0 checks > there. Then I thought perhaps it was from a conversation wtih Russ > when I was doing cacheing in v9fs -- but on searching my gmail he was > saying that it didn't always hold true -- so perhaps something new is > needed...
this is not true of devsd devices. the version is used to deal with removable devices. if you have a cd open and the media is changed, i/o to the device will return Echange. raw /dev/aoe devices will do the same thing. - erik
