Re: [PATCH 3/4] simplify xfs_vn_getattr

[Christoph Hellwig <hch@xxxxxx>]

On Wed, Sep 19, 2007 at 12:55:20PM +1000, Lachlan McIlroy wrote:
> Why do we copy the atime from the inode and not the xfs_inode?
> 
> I think I see what's the deal here - the atime in the inode is
> the authoritative atime.  It gets updated from various places and
> we synchronise it to the xfs inode before flushing the xfs inode
> to disk.  This means we shouldn't be using the atime in the
> xfs_inode because it will be stale - is this correct?

Yes.   atime is updated by the vfs without callouts to the filesystem
in various places unfortunately.