lkml.org 
[lkml]   [2002]   [Feb]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: tmpfs, NFS, file handles
From
Date
>>>>> " " == Peter J Braam <braam@clusterfs.com> writes:

> Would the following also work?

> - have a 32 bit counter: set inode->i_ino to count++

That is exactly what iunique() does except that it also checks for
uniqueness and allows you to specify a minimum value. Sooner or later
your 32-bit counter will wrap round...

> - up the generation number each time the counter warps.

> Between boot cycles NFS could still get confused, that might be
> helped by setting the initial generation to the system time.

Yep. That is what the 'fat' filesystem does.

Cheers,
Trond
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:24    [W:0.227 / U:0.452 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site