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

[Giuseppe Scrivano]

Paul Eggert <address@hidden> writes:

> 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?

Good point.  Should we instead add something like --file-system and
--data-only, respectively for syncfs and fdatasync and use fsync if no
option is specified?

Giuseppe