Dave Johnson writes: > Bart Samwel writes: > > This looks like it's a generic property of syncing an ext3 file system. > > Try turning off laptop_mode and then running "sync". You will probably > > see the same behaviour. > > yep, every sync() causes a gratuitous write to disk N seconds later > even when no data has been read or written since the last sync(). Woops, correction, every sync() call causes a single gratuitous write, no delay. $ for n in 1 2 3 4 5; do sync; done Jan 1 14:32:54 gw kernel: kjournald(760): WRITE block 2682 on hda1 Jan 1 14:32:54 gw kernel: kjournald(760): WRITE block 2684 on hda1 Jan 1 14:32:54 gw kernel: kjournald(760): WRITE block 2686 on hda1 Jan 1 14:32:54 gw kernel: kjournald(760): WRITE block 2688 on hda1 Jan 1 14:32:54 gw kernel: kjournald(760): WRITE block 2690 on hda1 -- Dave -- 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
