Subject: Re: bug#19681: [PATCH] sync: use syncfs(2) if any argument is specified

From: Paul Eggert <[email-masked]>
Date: Sun, 25 Jan 2015 07:38:43 -0800

If we're adding this sort of option, shouldn't we also give users the ability to 
invoke fsync and fdatasync on a single file, as opposed to syncfs on an entire 
file system?