From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <00b997687fedd410f755087c73e6308e@quanstro.net> To: 9fans@cse.psu.edu Subject: Re: [9fans] QTCTL? From: erik quanstrom Date: Wed, 31 Oct 2007 15:39:10 -0400 In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: e1d9c53a-ead2-11e9-9d60-3106f5b1d025 > 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