Hello, this is a fourth version of my patch series improving busyloop prevention in writeback code and then replacing some redirty_tail() calls with requeue_io() to avoid postponing writeback for too long. Changes since v3: * Improved busyloop prevention to abort work which cannot make progress if we are retrying for too long or if there is some other work to do. * Increased maximum sleep time in the busy loop to avoid eating CPU power unnecessarily. * Removed wbc->pages_skipped check Thanks to Fengguang for review, testing and good suggestions. Honza -- 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
