https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25829
--- Comment #33 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> --- (In reply to Janne Blomqvist from comment #32) > Interestingly, Linux 4.14 contains a way to avoid a context switch to a > threadpool in case the data is already in the page cache: > https://kernelnewbies.org/Linux_4.14#head- > 8c8861fbded3e87631ab06bcd511f5f0d8bfa220 > > Might be an interesting optimization sometime in the future.. It is interesting that I was reading this very webpage myself today looking at 4.14 feature. I am pretty sure we can hand off the I/O to the OS. I am not so sure how one checks the status of the operaton. This is what wait should do, wait for completion.
