Re: [patch 0/9] writeback data integrity and other fixes (take 3)

[Nick Piggin <npiggin@xxxxxxx>]

On Wed, Oct 29, 2008 at 05:44:17AM -0400, Christoph Hellwig wrote:
> On Wed, Oct 29, 2008 at 10:21:43AM +0100, Nick Piggin wrote:
> > Please do.
> 
> Well, there's one stumling block I haven't made progress on yet:
> 
> I've changed the prototype of ->fsync to lose the dentry as we should
> always have a valid file struct.  Except that nfsd doesn't on
> directories.  So I either need to fake up a file there, or bail out
> and add a ->dir_sync export operation that needs just a dentry.

OK. I don't know much about hthat code, but I would think nfsd
should look as close to the syscall layer as possible. I guess
there must be something prohibitive (some protocol semantics?).

Is there anything that particularly makes it a file operation
as opposed to an inode operation?