Re: [patch 8/8] fs: add i_op->sync_inode

[Christoph Hellwig]

On Fri, Jan 07, 2011 at 01:30:47PM -0500, Ted Ts'o wrote:
> > the write_inode in XFS is already trying to do it, it's just the
> > caller not copying with it:
> > 
> >  - if we can't get locks for a non-blocking ->write_inode we return
> >    EAGAIN, and the callers sets the dirty bits again.
> 
> I like that solution; it might be one of the easier ways to maintain
> backwards compatibility.  Especially since (correct me if I am wrong)
> the simpler file systems which always write out the inode in the case
> of a non-blocking write_inode, say, like say the fat file system, are
> immune from this specific problem, right?

Yes.  Also one of the patches in Nick's series actually implements
this already.  Looks like we lost that fact when arguing about other
things..
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