piaojun wrote on Wed, Jul 25, 2018: > On 2018/7/25 11:32, Dominique Martinet wrote: > >> p9_client_write(fid, 0, &from, &retval); > > > > I'm not sure what to do about this but it's also possible for > > p9_client_write to not write the full length without setting and error. > > > > We should probably compare the return value of p9_client_write and > > value_len to detect short writes and return an error in this case. > > It looks like we could identify short writes error from the *err. If no > error case breaks the while loop, the total equal to the whole data len.
Ah, I looked too fast and missed the while loop in p9_client_write... It's rather unusual for such a low level call to handle retries, but I guess that's 9p. Right, will take that patch as is then. Thanks, -- Dominique