US 6,983,296 B1
System and method for tracking modified files in a file system
Mark Muhlestein, Tuscon, Ariz. (US); and Wesley R. Witte, Campbell, Calif. (US)
Assigned to Network Appliance, Inc., Sunnyvale, Calif. (US)
Filed on Aug. 12, 2002, as Appl. No. 10/217,119.
Int. Cl. G06F 17/30 (2006.01)
U.S. Cl. 707—206 17 Claims
OG exemplary drawing
 
1. A method for tracking modified files in a filer server having a file system,
the method comprising the steps of:
identifying a file that has been modified;
loading a pathname of the modified file onto a first entry of a queue;
checking, at a predetermined interval, a time stamp of a second entry at a head of the queue to determine if the second entry is of a sufficient age; and
removing the pathname from the second entry if the second entry is of a sufficient age.