On Wed, Sep 03, 2014 at 05:31:22PM +0200, Jan Kara wrote:
> Also one question:
>
> > - if (ei == locked_ei || !write_trylock(&ei->i_es_lock)) {
> > - nr_skipped++;
> > - spin_lock(&sbi->s_es_lock);
> > __ext4_es_list_add(sbi, ei);
> > + if (spin_is_contended(&sbi->s_es_lock)) {
> > + spin_unlock(&sbi->s_es_lock);
> > + spin_lock(&sbi->s_es_lock);
> > + }
> Why not cond_resched_lock(&sbi->s_es_lock)?
I didn't think we were allowed to reschedule or sleep while in
shrinker context?
- Ted
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