On Mon, Jun 19, 2017 at 10:02:09AM -0600, Jens Axboe wrote: > Actually, one good use case is O_DIRECT on a block device. Since I'm > not a huge fan of having per-call hints that is only useful for a > single case, how about we add the hints to the struct file as well? > For buffered IO, just grab it from the inode. If we have a file > available, then that overrides the per-inode setting. Even for buffered I/O per-fіle would seem more useful to be honest. For the buffer_head based file systems this could even be done fairly easily.
