Re: [PATCH] 2.4.8-pre3 fsync entire path (+reiserfs fsync semantic

[Alexander Viro]

On Sat, 4 Aug 2001, Chris Wedgwood wrote:

> On Fri, Aug 03, 2001 at 07:15:59PM -0400, Alexander Viro wrote:
> 
>     <shrug> credentials cache. 2.5 fodder. Notice that with NFS you
>     don't have fsync for directories. At all. So that's not a problem
>     in that particular case - you can pass NULL on all subsequent
>     iterations.  On the first step you need struct file * - NFS needs
>     credentials to pass to the server.
> 
> How about passing NULL then for now? --- and explicitly requiring
> ->fsync accept NULL for the first argument and ignore it?  It would be
> nice to know that this is the case then though, because we could stop
> immediately.

You need credentials to sync a regular file on any network filesystem.