The pdflush writeback daemons will periodically wake up and write "old" data out to disk. This tunable expresses the interval between those wakeups, in 100'ths of a second.
Setting this to zero disables periodic writeback altogether.
Except where otherwise stated, original content is © 2003-2016 LinuxInsight. Linux® is the registered trademark of Linus Torvalds in the U.S. and other countries. Drupal® is a registered trademark of Dries Buytaert. Other marks are property of their respective owners. Comments are property and responsibility of their authors.