On Wed, 29 Jul 2015 08:30:59 +0800 Joseph Qi <joseph...@huawei.com> wrote:
> On 2015/7/29 4:51, Andrew Morton wrote: > > On Mon, 27 Jul 2015 11:39:16 +0800 Joseph Qi <joseph...@huawei.com> wrote: > > > >> cluster pos is defined as u32, when calculate corresponding sector it > >> should be converted to u64 first, otherwise it may overflow. > > > > What are the runtime effects of this change? > > > The issue is when using large volume, for example, 9T volume with 2T already > used, frequently create small files with O_DIRECT and the IO is not cluster > aligned, it may clear sectors in the wrong place. You mean it corrupts the filesystem? So this wants to be merged asap and backported as far as possible? _______________________________________________ Ocfs2-devel mailing list Ocfs2-devel@oss.oracle.com https://oss.oracle.com/mailman/listinfo/ocfs2-devel