Re: [PATCH] writeback: Don't wait for completion inwriteback_inodes_sb_nr

[Jan Kara]

On Mon 11-07-11 16:11:57, Christoph Hellwig wrote:
> On Mon, Jul 11, 2011 at 09:48:35PM +0200, Jan Kara wrote:
> >   Well, they're not exactly cheap (journaling filesystems have to force
> > transaction commits and wait for them) but that does not really matter.
> > The real problem is that to wait for IO completion you need some list of
> > inodes you want to wait for and you can currently get such list only from
> > superblock.
> 
> All block device inodes sit on blockdev_superblock, we got rid of inodes
> without a superblock long time ago.
  Sure, we can easily iterate also blockdev_superblock. What I meant is
that blockdev_superblock will need a special handling since we otherwise
ignore pseudo superblocks...

								Honza
-- 
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/