ffs snapshots

[Divacky Roman]

On Mon, May 09, 2005 at 09:43:02AM -0600, Siddharth Aggarwal wrote:
> 
> Hi,
> 
> I was wondering why the limit for file system snapshots in BSD 5 has been 
> set to 20. Is it a limitation due to the way this feature has been 
> implemented? 

use the force, read the source ;)

/*
 * The maximum number of snapshot nodes that can be associated
 * with each filesystem. This limit affects only the number of
 * snapshot files that can be recorded within the superblock so
 * that they can be found when the filesystem is mounted. However,
 * maintaining too many will slow the filesystem performance, so
 * having this limit is a good idea.
 */
#define FSMAXSNAP 20