Seems like this thread has stalled, thanks Dominique for responding to this. I wasn't expecting to find the 9p maintainer on this list and the resulting conversation really helped me understand the nuances of the issue much better.
On 30/07, Paul Eggert wrote: > > Well; I don't know. I'm open to discussion on how to improve 9p as well > > in parallel, but I think the safe approach would be to work on both. > > Yes, probably 'tar' should be modified to deal with this glitch, if someone > gets the time to do that. Given the hesitation to fstat in order to remove the O_NONBLOCK flag, are there any objections to applying the patches sent in the original email? i.e. re-call read until the full file has been read. - Nikos