NFS: Don't return layout segments that are in use

	return status;

}

static bool

pnfs_layout_segments_returnable(struct pnfs_layout_hdr *lo,

				enum pnfs_iomode iomode,

				u32 seq)

{

	struct pnfs_layout_range recall_range = {

		.length = NFS4_MAX_UINT64,

		.iomode = iomode,

	};

	return pnfs_mark_matching_lsegs_return(lo, &lo->plh_return_segs,

					       &recall_range, seq) != -EBUSY;

}

/* Return true if layoutreturn is needed */

static bool

pnfs_layout_need_return(struct pnfs_layout_hdr *lo)

{

	struct pnfs_layout_segment *s;

	enum pnfs_iomode iomode;

	u32 seq;

	if (!test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags))

		return false;

	seq = lo->plh_return_seq;

	iomode = lo->plh_return_iomode;

	/* Defer layoutreturn until all recalled lsegs are done */

	list_for_each_entry(s, &lo->plh_segs, pls_list) {

		if (seq && pnfs_seqid_is_newer(s->pls_seq, seq))

			continue;

		if (iomode != IOMODE_ANY && s->pls_range.iomode != iomode)

			continue;

		if (test_bit(NFS_LSEG_LAYOUTRETURN, &s->pls_flags))

			return false;

	}

	return true;

	return pnfs_layout_segments_returnable(lo, lo->plh_return_iomode,

					       lo->plh_return_seq);

}

static void pnfs_layoutreturn_before_put_layout_hdr(struct pnfs_layout_hdr *lo)