On Fri, Jun 21, 2019 at 2:55 PM Alan Somers <asom...@freebsd.org> wrote:
> I would've thought that immediately following a sync(8), the
> filesystem would be consistent.  Why do I still see errors after a
> panic in files that were written before I sync()ed?
> -Alan

Hi Alan,

Contra the name, sync(2) (sync(8)) isn't synchronous.  It invokes
VFS_SYNC() with MNT_NOWAIT across all mountpoints.

Cheers,
Conrad
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