Alexandre Duret-Lutz <aduret@xxxxxxxxxxx> writes: > I admit that having a lock > everywhere except on NFS is still a progress wrt 2.57. Yes, that's what I was thinking. > How about dropping flock() for a mkdir()-based lock? Then we'd have to clean up afterwards, and deal with recovering from system crashes, and so forth. Sorry, I'm missing a bit of the big picture here. Is it that important to have a working lock? What programs are likely to be updating these files simultaneously? Is it that common to have contention?