Re: Automatically mount or remount EXT3 partitions with EXT2 when alaptop is powered by a battery?

Daniel Kobras
2002-07-04T22:03:03Z

On Tue, Jul 02, 2002 at 01:13:14PM +0100, Stephen C. Tweedie wrote:
> On Fri, Jun 28, 2002 at 11:59:42PM +0200, Daniel Kobras wrote:
> > Or is there a
> > way to flush the current queue of transactions, eg. by fsync()ing the
> > underlying block device, or by sending a magic signal to kjournald?
>
> an fsync() on any file or directory on the filesystem will ensure that
> all old transactions have completed, and a sync() will ensure that any
> old transactions are at least on their way to disk.

With emphasis on 'on the filesystem', I suppose? In other words, if we
have an ext3 fs on /dev/hda1 mounted on /mnt, it is not sufficient to
fsync("/dev/hda1") to flush the transactions, but fsync("/mnt") will do?
(Excuse the sloppy notation.)

Regards,

Daniel.