Re: fsync delays for a long time.

[Alan Cox]

> there.  Optimal.  Note that it implements "only sync the stuff which was
> dirty on entry" semantics.
> 
> But msync() is a different kettle of fish.  It calls file_fsync(), which
> syncs the entire device, livelockably.  Are you sure `solid' is not
> using msync?

Could be. I'm going on second hand reports here.