sync() takes minutes while erasing

[Joakim Tjernlund]

On Wed, 2007-08-08 at 15:06 +0200, Joakim Tjernlund wrote:
> On Mon, 2007-08-06 at 18:18 +0200, Joakim Tjernlund wrote:
> > On Mon, 2007-07-02 at 14:58 +0200, Joakim Tjernlund wrote:
> > > On Thu, 2007-06-28 at 20:02 +0100, David Woodhouse wrote:
> > > > On Thu, 2007-06-28 at 20:59 +0200, Joakim Tjernlund wrote:
> > > > > Thanks, this stop the complaints from the test team. They
> > > > > don't like to wait a few mins every time they delete an old install
> > > > > and reboot.
> > > > 
> > > > This is what the rest of us use 'flash_eraseall -j' for, btw :)
> > > > 
> > > > But I'll look into it. If we can do the erases from some other context
> > > > it would be nice. Although pdflush_operation() doesn't seem to give us
> > > > any way to _stop_ a pending call if we unmount.
> 
> hmm, can't jffs2_erase_pending_blocks() see if a unmount is in progress
> and if so, stop erasing blocks? 

Any hints on the "unmount is in progress" idea? I have a few
hours to spare for this ATM.

  Jocke

> 
> > > > 
> > > 
> > > hmm, can't you make so that pdflush_operation() just erases one
> > > block at a time? Then the longest you have to wait is just
> > > the time it takes to finish one EB.
> > > 
> > >  Jocke
> > 
> > Hi David
> > 
> > Had any time to think on the above?
> > 
> >    Jocke
> > 
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