Re: [RFC] changes to buffer.c (was Test12 ll_rw_block error)

[Chris Mason]

On Friday, January 05, 2001 04:32:50 PM -0200 Marcelo Tosatti
<[e-mail]> wrote:
 
>> > I think we want to remove flush_dirty_buffers() from bdflush. 
>> > 
>> 
>> Whoops.  If bdflush doesn't balance the dirty list, who does?
> 
> Who marks buffers dirty. 
> 
> Linus changed mark_buffer_dirty() to use flush_dirty_buffers() in case
> there are too many dirty buffers.
> 

Yes, but mark_buffer_dirty only ends up calling flush_dirty_buffers when
balance_dirty_state returns 1.  This means the only people balancing are
the procs (not some async daemon), and the writing only starts when we are
over the hard dirty limit.

-chris