Re: [PATCH 1/6] f2fs: support in batch multi blocks preallocation

[Jaegeuk Kim]

> >  	valid_block_count =
> > -		sbi->total_valid_block_count + (block_t)count;
> > +		sbi->total_valid_block_count + (block_t)(*count);
> >  	if (unlikely(valid_block_count > sbi->user_block_count)) {
> > -		spin_unlock(&sbi->stat_lock);
> > -		return false;
> > +		*count = sbi->user_block_count - sbi->total_valid_block_count;
> > +		if (!*count) {
> > +			spin_unlock(&sbi->stat_lock);
> > +			return false;
> > +		}
> 
> If we can only allocate partial blocks, we should let f2fs_map_blocks being
> ware of that, otherwise, map->m_len will be updated incorrectly.

Hmm, I've reworked this patch.
Can you review this?

Thanks,