NFS: Invalidate FsCache page flags when cache removed

	return FSCACHE_CHECKAUX_OKAY;

}

/*

 * Indication from FS-Cache that the cookie is no longer cached

 * - This function is called when the backing store currently caching a cookie

 *   is removed

 * - The netfs should use this to clean up any markers indicating cached pages

 * - This is mandatory for any object that may have data

 */

static void nfs_fscache_inode_now_uncached(void *cookie_netfs_data)

{

	struct nfs_inode *nfsi = cookie_netfs_data;

	struct pagevec pvec;

	pgoff_t first;

	int loop, nr_pages;

	pagevec_init(&pvec, 0);

	first = 0;

	dprintk("NFS: nfs_inode_now_uncached: nfs_inode 0x%p\n", nfsi);

	for (;;) {

		/* grab a bunch of pages to unmark */

		nr_pages = pagevec_lookup(&pvec,

					  nfsi->vfs_inode.i_mapping,

					  first,

					  PAGEVEC_SIZE - pagevec_count(&pvec));

		if (!nr_pages)

			break;

		for (loop = 0; loop < nr_pages; loop++)

			ClearPageFsCache(pvec.pages[loop]);

		first = pvec.pages[nr_pages - 1]->index + 1;

		pvec.nr = nr_pages;

		pagevec_release(&pvec);

		cond_resched();

	}

}

/*

 * Define the inode object for FS-Cache.  This is used to describe an inode

 * object to fscache_acquire_cookie().  It is keyed by the NFS file handle for

	.get_attr	= nfs_fscache_inode_get_attr,

	.get_aux	= nfs_fscache_inode_get_aux,

	.check_aux	= nfs_fscache_inode_check_aux,

	.now_uncached	= nfs_fscache_inode_now_uncached,

};