On Tue, Oct 12, 2010 at 09:47:27PM +1100, Dave Chinner wrote: > The only reason XFS hashed the inodes was to avoid problems in the > generic code that checked for unhashed inodes during clear_inode(). The > evict() changeover moved that unhashed check into > generic_drop_inode(), which the filesystem can override. Hence if > you add a ->drop_inode() method for XFS that just checks the link > count, we can avoid ha??hing the inodes altogether for XFS. > > I can add another patch on top of this one to do that if you want... It's unfortunately not that simple. Take a look at the unhashed check in __mark_inode_dirty. The drop_inode check could be avoided for quite a long time now. What we could do however is the same hack as JFS does in diReadSpecial(). -- 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