Hi Dmitry, On 25/4/21 6:23 pm, Dmitry Belyavskiy wrote: >> Yes, generally right, but, I feel you've assumed that the files are >> initially >> blocking which is not necessarily so. >> > I think I don't - see the lines 341-354 of the channels.c in the proposed > patch I do beg your pardon, you are right. The patch looks okay to me.