Hi Bernd, On Tue, Apr 12, 2011 at 09:20:03PM +0200, Bernd Schubert wrote: > >+#define EXT4_MMP_UPDATE_INTERVAL 1 > > this define is nowhere used (e2fsprogs already sets the > update-interval in the superblock). Indeed, i have removed it. > And it is also too small, which may cause a huge performance issue > (please remember my corresponding lustre bugzilla...). The patches i have just sent increase the update interval to 5s and decrease the multiplier used to compute the check interval from 5 to 2. > Once you are going to post the e2fsprogs patch, could you please > also take care of the 2TiB mmp-block read limitation bug (please see > another Lustre bugzilla )? The updated e2fsprogs & kernel patches use blk64_t/ext4_fsblk_t, so this should work now. I will give this a try ASAP. > It also would be nice to explain somewhere (and not hidden in the > code) what is the difference between "update interval" and "check > interval". Done. Thanks for the feedback. Cheers, Johann -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html