sync() takes minutes while erasing

[Joakim Tjernlund]

On Wed, 2007-06-20 at 18:29 +0200, Jörn Engel wrote:
> On Wed, 20 June 2007 18:26:36 +0200, Joakim Tjernlund wrote:
> > On Wed, 2007-06-20 at 11:09 -0500, Josh Boyer wrote:
> > > 
> > > jffs2_write_super is called during unmount.  If there are blocks pending
> > > on the erase list, it's better to erase those now before the unmount is
> > > completed.  Saves some time on the next mount.
> > 
> > No, not if the reboot/unmont is suspended for minutes just because jffs2
> > wants to finish erasing. It doesn't save you much, if anything, at
> > remount either.
> > 
> > The erasing in context is just something that needs to be done at some
> > point but it don't have to happen now.
> 
> In case you need an example:
> 
> $ flash_eraseall /dev/mtd0
> $ time mount mtd0 /mnt -t jffs2
> $ time umount /mnt
> 
> Depending on device size, this will take some seconds for mount and some
> minutes for umount.  Spending minutes to save some seconds on next mount
> hardly sounds sensible.
> 
> Jörn

Exactly, 
David where are you? You havn't been active for a long time.
Is there any reason to keep as is?

 Jocke