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-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
